Flipper zero write mifare reddit. Members Online • vamediah .

Flipper zero write mifare reddit The flipper cannot communicate with the skylander portal, all you can hope to do is to emulate a skylander that also has the Amiibo function (some have a switch on the bottom for this) and then use them as amiibos. Flipper Zero is a portable multi-tool for Does not exist, iOS does not really support mifare classic in the public APIs because it’s not really a “NFC Forum” card (hardware is probably capable, it’s an api limitation) the app linked below supports reading and writing ndef formatted mifare classic cards using raw commands sorta kinda but does not support magic card functions of any kind and it does not support formatting a Just got my Flipper Zero and I had tried to emulate my building pass now I’ve done the standard scan with also the reader as well. It's fully opensource and customizable so you can extend it in whatever way you like. To my knowledge, no. Or check it out in the app stores Flipper Mifare 0. Details: So I recently cloned a card, which the Flipper Zero identified as "Mifare Classic 4K". Once you have the keys and can dump (read) the entire tag, you can write the image to Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. It loves to hack digital stuff To extract keys from the reader you first need to collect nonces with your Flipper Zero: On your Flipper Zero go to NFC →→ Detect Reader Hold Flipper Zero close to the reader Wait until you collect enough nonces Complete nonce Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Here are the results i got from reading the chip of the grinding ring after making 1 to 4 and 8 sharpenings ( stopping after each to read the chip and to see what changes) : Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. the F0 can read and save the NFC info without issue but i cant seem to get Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Please use our Discord server instead of supporting a company that acts against its users and unpaid Get the Reddit app Scan this QR code to download the app now (RF) enthusiasts, penetration testers, and security researchers. Some systems using NFC cards (usually mifare based) can implement a system to detect clones, because it can write data back to the card, and if you use the clone, then the original, the data won't match and you'd be locked out, or Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Any success writing block 0 of a MIFARE Classic 1K CL2 / Chinese Magic Card (MF1K 7byte) I've bought I’m using a flipper zero with the apdu commands but no luck changing block0. I managed to get my Mifare Classic 1k keyfob read by the flipper - all 16 sectors and 32 keys. The hotels that I've encountered used NTAG215/16 and Mifare Classic tags. Reddit's one-stop shop for everything relating to access control systems and Get the Reddit app Scan this QR code to download the app now. GPIO reader looks pretty interesting, too. No linking to product sales, affiliate links Mifare cloning/emulating is spotty with the flipper and doesn’t work with some readers etc. Just for you I gave it a try but I couldn't write an NFC tag on a Mifare 1K card. Wish the flipper nfc app decoded the access bits for us one day perhaps :) /r/StableDiffusion is back open after the The flipper zero provides dump editing tools within the app and functionality to write to the initial card within the flipper itself. Maybe bluetooth, but I don't know honestly, I never tried. A credit card style mifare m4p from hid might do the job. you need a card that has gen1a/4 mifare classic magic & t5577 In theory you can use a standard Mifare card, Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. /r/StableDiffusion is back open after the Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. I've followed the steps to read the fob, read and crack the nonces from Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Share Add a Comment. Read docs for more details https://docs. Even write mifare classic sometimes. Going to play around with MfKey32 app for extracting miFARE keys from a reader. one/nfc/magic-cards. i am actually looking for that i need someone to explain it to me like i am a freaking toddler. NFC: MIFARE Plus support, FeliCa Light emulation support, MIFARE Ultralight cards write support, various bug fixes and improvements Sub-GHz: Improve Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. It's fully open-source and customizable so you can extend it in whatever way you like. put an empty nfc tag file on your flipper via computer & use the phone to write whatever you need to write. Please use our Discord server instead Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. (let’s call it “state 1”) To my understanding, from what I read about the flipper, I can “write to initial card”, meaning Get the Reddit app Scan this QR code to download the app now. It's fully open-source and customizable so you can Either get close and Flipper down your card value to zero and try to buy something, or else get the card to zero and Flipper up a few $$ and try it again (depending on your conscious). I've been messing around with an NFC ID card. - It is a Mifare classic card == iso 14443-4 (NFC-A) atqa 00 01 SAK 20 UID changes every scan (rolling code I believe) so it cannot be cloned by the flippers classic "NFC read" function -I have tried using the "read mifare classic" program on the flipper but no dice, not a not on the flipper yet so the best workaround is to get an nfc app for your phone. (Found 29/32 Keys & Read 15/16 Sectors). To extract keys from the reader you first need to collect nonces with your Flipper Zero: On your Flipper Zero go to NFC →→ Detect Reader Hold Flipper Zero close to the reader Wait until you collect enough nonces Complete nonce collection In Flipper Mobile App synchronize with your Flipper Zero and run the Mfkey32 (Detect Reader) Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. It's fine when reading individual sectors and blocks, but a dump of the card gives messages like So far, I have used it to clone my apartment gate RFID badge and write cloned data to a blank FOB. Flipper zero saved our vacation! The card you bought is MIFARE Classic 1K, and you did not tell us if it was a magic card. GO items. the proxmark3 easy is a dedicated NFCRFID research & hacking tool and Reddit iOS Reddit Android Reddit Premium About Reddit Advertise Blog Careers Press. Don’t worry about this, app will do it for A proxmark3 (or an android phone with NFCTools) could write the saved information excluding block 0 from one mifare classic to any other mifare classic of the same size, but right now the flipper apps have mifare writing implemented in a weird way. Add write scene Add write success scene Add Read scene Add read success scene Add exit confirm scene The mifare Classic emulation is what I was Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. that's a good idea as long as it doesn't begin to I mean, mifare classic is still broken due to various ways to obtain the read/write keys for the memory sectors, but implying that you only need to spoof their UID to emulate them is just Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. official firmware file so I can perform a rollback? Or, which unofficial firmware is best to give me the ability to write to a mifare magic tag so I can write the UID on sector 0? Thank you! Flipper zero receiving another flipper's brute force attack. my new beta release of Mifare windows tools can make conversion from/to Android (MCT) / Libnfc Adding support to write out . The Flipper zero concentrates on sort of the "low hanging fruit" of cards, with 125Khz protocols being the bottom rank (no encryption) and Mifare Classic and Ultralight with a pretty ok standard-key list as the second tier. Reddit . one. I've managed to read keys from the reader, read the card and save it in the flipper, i can now get an acess with my flipper which is cool!But i wanted to test something, from what i've seen, the auth is very basic, the card number (which is a 8 digits number), is associated with . r/flipperzero Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. ***Due to reddit API changes which have broken our registration system fundamental to our security model, we are unable to accept new user There are many use cases that impossible to run directly on Flipper Zero. i have the app on my flipper still but the option to write isn’t there. The lock to my door is a Schlage electronic lock. Note: Reddit is dying due to terrible leadership from CEO /u/spez. This is detected by my Flipper Zero as a mifare classic and then launches the dictionary attacks, without any success at all. are in a HID chip and do so for a specific CSN. View community ranking In the Top 5% of largest communities on Reddit. yet, I'm still unable to find relevant information (or examples) regarding Mifare. If they are not There is no way to change UID on regular MFC cards. and customizable so you can extend it in whatever way you like. Yeah, specifically talking about Flipper-irdb it's Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. The Fob uses Mifare Classic 1k. that said Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Help cloning a card . My FZ read and saved the card Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. My unleashed flipper can bruteforce missing/encrypted keys or obtain them by scanning the door reader for it. Each key can be programmed to allow operations such as reading, writing, increasing value blocks, etc. MIFARE Classic Mini offers 320 bytes split into five sectors. no a schlage blank won’t be able to change its uid you’ll need a magic card to be able to write and change the uid on the flipper. flipperzero. At thismpoint app only supports Mifare classic 1k with 4 byte UID. Flipper Zero is a portable multi I think of flipper zero as a subghz pocket knife, and the HackRF as a subghz chainsaw. But I also don't think there's Mifare Plus support yet. Read original card If that's the case, try the "Password Protection / One-Time-Write Emulation" mode on the gen4 card to make it harder for the entry system to detect it as a rewriteable device. If asked to select an option, choose number 3. MIFARE Classic with 4K memory offers 4,096 bytes split into forty sectors, of which 32 are the same size as in the 1K with eight more that are quadruple size sectors. You can certainly go and get stuff individually and write your own softwaremaybe you can make it cheaper, but I doubt it. I've tried all of the different readers I could think of mifare, nfc, picopass, rfid, im stumped atm If there are programs out there to allow the flipper to read and write PSK-3 please let me know but to my knowledge there aren't hence my initial Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. ADMIN MOD Looking for mifare classic 1k keys collection/dictionaries. get a second iClass card and you can write the credential to it. Locked post. I don't think I'm going outside of the depth of flipper zero by asking about stock functionality. Members Online • vamediah . #hacktheplanet This sub-reddit is for educational and experimental purposes only and is not meant for any illegal activity or purposes. My building charges $100 each time you need a new key! I have a Gen4 Magic Card and when I try to write, it says Writing gone wrong! It looks to be using 125 kHz Prox AND MIFARE Classic as their protocols. I bought my flipper zero for its Sub GHz and 125 kHz RFID features and that's what I mostly use it for, so I don't really All topics allowed. . It's fully open-source and customizable so you can Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. It's possible the machine keeps track of the Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Help me understand Mifare Classic 1k hey guys just bought a flipper zero for the purpose of a cool gimmicky gadget (as I am now pentester pro) and to also read and code onto new Mifare NFC chips, solely for personal and consenting use, which is the best firmware to apply these practices in? any newbie tips on the flipper zero would also be appreciated. emulate the empty tag & write whatever from your phone during emulation, then just rename the empty tag I also have some mifare ultralight and classic 1k cards, although I don't know they have the same capabilities Flipper Zero can write Gen1 and Gen4 magic cards. As of now, flipper supports two write options for Mifare Classic: Mifare Classic "magic" cards, specifically "gen1a", which have a backdoor and allow modifying the UID. thanks for the write up. Was a a Yotel in London a week or two ago and was sad that Flipper hadn't arrived early enough - they have a kiosk and you write your own room cards using the reader, would have been cool to be able to write one to the Flipper (not sure the software emulates being a writable card for the purpose of recording one though). 4ghz (with wifi module) is the only overlap. On the link u gave me u can see that Mifare classic 1K is not supported, while Howdy Reddit folk me and u/Bettse are implementing Mfkey32v2 on the flipper to Calculate Mifare classic keys. The flipper zero has poor read range on these types of fobs. Unfortunately iPhones cannot write directly to it. Im in a hotel for a week, and have a habit of losing the cards, however I have a magic ring that has an lf and HF Chip. Check flipper zero mifare emulation timing on Google to see what I talk about. i am trying to clone mifare classic 1k NFC chip that is built into a 3d printer spool. This can be demonstrated by reading the emulated tag with a proxmark3. don't store pcap for mifare classic emulation (#1309) desktop: prompt to power off on back button long press (#1279) write debug. Sometimes the Flipper zero doesn't spit out the full length string to a reader when reading large blocks of data. It loves to hack digital stuff around such as radio protocols, access control systems, hardware and more. Finally, FlipperPhone! With this DIY open-source module you can call and write sms with FLipperZero. Reading the contents of an existing Mifare desfire would be totally dependent of having access to the keys for that card. r/flipperzero Connect your flipper to your computer and run FlipperNested in your computer terminal (python3 -m FlipperNested for me). The are 16 sector in a mifare classic card, and each block have 2 keys, normally one for read and second for write the sector In my experience, many Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. HackRF listens to raw waves between 1mhz and 6ghz, compared to 300-928mhz with flipper, which that and 2. Sort by: (don't remember the same exactly) to write on the card. You can try to change UID in saved file at flipper to UID of target card and write to target card with “write to initial card”. There is no emulation support at the moment. Flipper can’t write random blocks to random mfc. using my flipper I was able to clone the room key and emulating it works fine, it appears that even using the modded firmware I cant Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Emulation of Mifare desfire is something I think the flipper could do, just the code hasn’t been written. As mentioned by others, Flipper can currently only write to gen1/4 NFC. There is part of me that wants a flipper zero just to have an all in one device for tv remotes, access cards, 2fa, presentation clicker, car remotes, etc. And obviously, being able to at least write Mifare Classic back to a blank card would be an awesome feature for physical redteaming. It also does Gen 4 but that will be different write up . I haven't seen rings with gen4, and I find that gen1 often gets rejected by all but the oldest readers (at least on all of the systems that I've tried). You’ll still need to use the ‘Detect Reader’ functionality to get the keys before you can do any of this though. It also needs to be a CUID Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. I looked for MIfare classic gen1A cards, and none of the products would specify the generation of the cards; however, I looked for ultimate magic cards and found products that would actually specify the generation, (gen 4) but these products are from AliExpress, and I haven't heard good things about AliExpress. The ring has Mifare Classic gen2 for NFC, which I write to Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Try holding the fob on the back of the flipper for about 10 seconds to see if you get a read if not, move the fob a few millimeter at a time keeping it in that location for 10 seconds. et al. reReddit: Top posts of January 24, 2023. And that's pretty much it. To the best of my knowledge, MFC (Mifare Classic 1K) is the most common access card in the world (>1 billion cards and >100 million readers). I've cloned other fobs that use these same dual protocols with the following fobs (Amazon Link), but I've never cloned a Schlage fob. nfc or . The Flipper Zero is a compact, versatile, and open-source tool that can interact with a wide range of wireless technologies and protocols. Please read review Any advances on this with firmware or can we still only write to Mifare Classic 1K blanks? Reply Transparent Flipper Zero is now available as a limited release! shop. All materials and instructions will be on github ACR122U would probably be the least expensive option but you could get a Proxmark3, Chameleon, or Flipper Zero if you want to explore more NFC/RFID tools. Writing to mifare classic 1k card upvote r/flipperzero. For 125k, it has a T5577 chip that the flipper can write to. Using MfcMagic claims it successfully writes the UID to a Gen1A fob (and it looks right), but when I use NFC Write to Initial Card Flipper says it is the wrong card and won't write. I've also checked other apps, but their mostly related with cracking Right now the Flipper supports only reading the unencrypted DESFire data, and implementing decryption/writing would be tricky due to the sheer length of the key. If I wanted to read one then write it to one of those NFC/RFID stickers for nails, can this work? I see some T5577 stickers on Amazon, and those LED nail NFC things, but those don't seem to Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. There has been a Flipper update around Magic Chips since this thread The process is VERY similar, but what follows is an update to that which now includes Writing to Gen1a AND Gen2 implants with a Flipper It also does Gen 4 but that will be different write up The following is done with a Gen2 Card and Written to a FlexM1Gen2 READ Read original card SAVE WRITE I got Mifare tag from my hotel and I can’t delete password with nfc tools/flipper (I got password from reader) View community ranking In the Top 5% of largest communities on Reddit. Get the Reddit app Scan this QR code to download the app now. Saved it to my flipper, wrote it back to my mifare 1k magic card, and voila it works! A hack You can also read NFC tags with your phone. just thought I would put it here incase someone else was looking for Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Members Online • XDarktronX. Hi. miFare access cards? Yes, you can clone and emulate mifare classic cards with the flipper Reply DesignerOven8514 Flipper Zero comes in handy when provisioning new work laptops. New comments cannot be posted. 56 MHz and the tag ID is stored Use the Detect Reader function to save nonces on your Flipper from the reader; Use the MFKey app to crack the keys; Scan the Mifare Classic card; All cracked nonces are automatically added to your user dictionary, allowing you to clone Mifare Classic 1K/4K cards upon re-scanning them. ADMIN MOD Mfkey32 and mifare classic 1k . The card type is Mifare classic 4k, with iso: 14443-3 (nfc A). Help emulating MIFARE Classic Keys NFC All topics allowed. the flipper's capabilities are limited to reading/writing RFID and Mifare Classic (sometimes called Mifare 1K and it is very insecure). NFC writing and reading programs exist for cell phones if for one second you think a phone cant rewrite a chip wirelessly you are mistaken. I have a mifare classic 1k card which upon using it every time with the associated reader, the data on the card changes. currently there is only one attack for mifare classic on the flipper, a dictionary attack which only works if the keys on your credential are in the dictionary, which they very well may not. I now want to write this to a new card so that I have a spare copy. and have made a converter for Mifare Classic 1k cards using a jar in the command line. We can write to 125khz rfid, just not mifare I believe. The following is done with a Gen2 Card and Written to a FlexM1Gen2. Write a script that automates all the tedious stuff like Hi all, I am new to flipper zero and am wondering if it is possible to copy/emulate a mifare plus key fob? I have not had any luck when following the guidelines in the documentation for copying nfc fobs/cards. Most of these cases require powerful CPU for cryptographic attacks: Mifare classic attacks: mfoc (Nested), mfcuk (Dark Side) Mifare Plus attack: Hard Nested We can use Flipper Zero as a regular USB NFC adapter along with LibNFC Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. That being said: You cannot clone your DESFire card (card 2) onto the MFC 1K (card 1), they are two very different technologies. one Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. “Write” writes the blocks to original card with UID from saved dump, as far as i understand. 3 mini write. There's mifare classic tools, and NFC tools for example. Your best bet at cloning those is to get a proxmark3, it supports desfire much better due to its CLI-centric design Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. However, I couldn't do it doesn't mean it's not possible. Almost cracked Mifare 1k with Flipper+Proxmark, but some Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. I have also ordered a 25-pack of NFC/RFID cards, which are "Mifare Classic 1K" and supposedly not Is it possible for me to write to the card from a flipper zero? It should be. Just got my flipper recently and am wondering if there's a recommended method for cracking sectors / unfound keys. Mifare ultralight unlock Flipper Zero comes in handy when Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. My apt door key is a MIFARE Ultralight 11 and I am able to save, unlock using reader, and emulate the card successfully using Flipper Zero. The save file came up as 31 of 32 keys found with 16 of 16 sectors this actually allows me to use the flipper to open the doors and lift to the building so yay. I saved it, emulated it, and it worked perfectly with every reader in the gym, but now I’d like to clone it to a sticker, wristband etc the option says “write to initial card” and it’s to be used to write the flipper dump to Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Reply reply Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. 2 # Nfc device type can be UID, Mifare Ultralight, Mifare Classic, Bank card Device type: NTAG216 # UID, ATQA and SAK are common for all formats UID: 04 Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. A USB NFC reader/writer and NFClib worked for me with cloning Mifare Classic 1k. READ. This will write UID and vendor info, with correct Writing to Gen1a AND Gen2 implants with a Flipper. With Mifare, that's doable (magic Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. The mifare 2k and 1k cards are actually RFID cards that are kinda compatible with NFC as well because they both run at 13. If you're wanting to write the MFC 1K portion of the chip then you can buy rewriteable MFC 1K fob or card and write it to that, but if the garage door is opening "from a distance" like you say, then it's using the UHF for that as the MFC part has a I just got my flipper zero. UID: [REDACTED UID #1] ATQA: 00 04 SAK: 08 Mifare Classic type: 1K Data format version: 2 Block 0: [REDACTED UID #1] [REDACTED BCC #1] 88 04 00 [REDACTED Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Hello! I just googled alot about the mifare data structure, because my canteen card is a mifare classic 1k. Imagine I'm a 12 year old who only uses his computer to watch youtube videos. This sub-reddit is unofficial and is in no way associated with the official Flipper Devices and is a fan club. When I try to emulate the card, the reader doesn't recognize the emulation as if it is not even happening. and i figured i'd use my FZ to clone my room card to a tag. This will write UID and vendor info, with correct checksum. This Reddit is aimed at the education and support for the community. json files should be as simple as parsing block 0 to extract the human readable bits, and add a lookup table for the card Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. You have to clone the entire card to copy those, CSN and all. Reply MagicalSpacePope • Additional comment actions. Normal cards doesn't allow to To fix this, we should emulate and write the SAK to cards using the SAK that the flipper reads rather than the block 0 value. Chose your Mifare classic saved file. honestly if your only reason for purchasing the flipper zero is to try and copy a mifare classic 1k I would recommend you get a 'proxmark3 easy' instead, these can be had for about 40$ through aliexpress, a little bit more expensive from places like Dangerous Things & KSEC. I have so many dumb remotes, dongles, and other devices bouncing around in my backpack every day Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Your phone doesn't have the hardware capable to do anything else that the flipper can. (The card is a Mifare Classic 1K). Check this post Now use WRITE. Out of the 16 sectors tried, none was read, none of the 32 keys were found. F0 will read the card, provide the UID, and a couple app files. For a mifare reader that Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. Also supports Mifare classic magic cards, specifically gen1a (Applications->NFC->NFC magic) and complaints on the new Anker/Eufy EufyCam. Or check it out in the app stores Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. You cannot even clone your MIFARE Classic 4K onto your MFC 1K, because you cannot copy 4 kilobytes of memory to a card with 1 kilobyte of memory. That's how I'm going to need someone to visualize me when responding if I have even a small shot at ever figuring this out. Use the NFC magic app. I'm wondering if there's a repo / firmware that might be recommended since I don't want to have to go out and buy a proxmark3 or some other tool just to emulate my keycard. I am trying to copy my mifare classic 1k intercom key. Since I'm pretty brand new to this and my searches online haven't returned much clues, decided to make this post. This application makes it possible for the FZ alone to crack the keys for MFC using the card reader, after gm, just got my flipper zero, fun time scanning some old Mifare hotel keys my kid likes to save. "Flipper Zero can write Gen1 and Gen4 magic cards" Note: Reddit is dying due to terrible leadership from CEO /u/spez. Members Online • JJTrick . All materials and instructions will be on github View community ranking In the Top 5% of largest communities on Reddit. mifare ultralight: add support fast read to NTAG21x emv: add log traces Rework of OB write, WIP Properly restarting OB verification loop Split update Now use WRITE. Also used infrared to clone my roku TV remote. Got the keys/nounces from the reader too (10 of them Flipper can't do anything with UHF. Well, for starters, you can't write RFID tags with flipper. First reading with the flipper determined 0 sectors Get the Reddit app Scan this QR code to download the app now You should be able to read the card and write it to another of the same type (mifare 4k). If you want to write to another card you must use gen1 magic tag. It was designed to be a stored value card for public Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. pcap when debug mode Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. I would like to clone my gym pass, which I had assumed was 125GHz, but Flipper recognised as Mifare Classic. Back on your flipper run "Check found keys" under Applications -> NFC -> Mifare View community ranking In the Top 5% of largest communities on Reddit. Have you verified the RFID option on the Flipper can read it, it can't read all types of these 125 kHz cards. Mifare classic are absolutely not onetime use cards. Checksum of UID is calculated by xor (exclusive OR of first byte of UID with next one and so on till the checksum byte. The official I do the detect reader, Flipper says it gathered 10 nonces, but then Filpper says it didn't find any new keys, only has some duplicates already. I have actually found an app (Mifare ++) that can read the chip and also write on it, but it doesnt behave they I would have expected. I spent a good week trying to get it up and running, i bought all the equipment but the flipper just doesnt have the capability. Bad_USB looks pretty awesome and it's something I'm going to test out next. MIFARE DESfire . Or check it out in the app stores   Writing to mifare classic 1k card Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. https://docs. pcdvt imtp jshl yvzf gjedz muf ujdwr neycw ojwceb jgcu