--- product_id: 604203374 title: "Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable" brand: "obo hands" price: "€ 37.26" currency: EUR in_stock: true reviews_count: 5 category: "Obo Hands" url: https://www.desertcart.hr/products/604203374-pcs-of-10-uid-ic-card-changeable-smart-card-clone store_origin: HR region: Croatia --- # Up to 10cm read range 100,000 rewrites max High-security encryption Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable **Brand:** obo hands **Price:** € 37.26 **Availability:** ✅ In Stock ## Summary > 🔑 Clone smarter, secure faster — the future of access control is in your hands! ## Quick Answers - **What is this?** Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable by obo hands - **How much does it cost?** € 37.26 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/604203374-pcs-of-10-uid-ic-card-changeable-smart-card-clone) ## Best For - obo hands enthusiasts ## Why This Product - Trusted obo hands brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Endless Reusability:** Rewrite up to 100,000 times for ultimate durability and cost-efficiency. - • **Compact & Lightweight:** Slim PVC design weighing just 50g, perfect for everyday professional use. - • **Seamless Compatibility:** Fully compatible with MIFARE Classic 1K, ensuring smooth integration with existing systems. - • **Flexible Security Layers:** Customizable access passwords and logical encryption for enhanced protection. - • **Precision Access Control:** Supports 4-byte UID and ISO/IEC 14443A protocol for reliable, secure identification. ## Overview This pack of 10 PVC smart cards features 13.56MHz RFID technology with 1K byte memory and 4-byte UID, fully compatible with MIFARE Classic 1K standards. Designed for high security with customizable encryption and access passwords, these cards support up to 100,000 rewrites and offer a read range of up to 10cm, making them ideal for professional access control systems. ## Description Description: Works exactly like the MF1K, with 16 Sectors and 4 Blocks each Sector, but the Sector 0 Block Zero known as Manufacturers Block where the Chip UID is stored, can be re programmed to any UID you wish. This is a perfect solution for a lost irreplaceable- Cards ID, you don't need to re-enroll new cards. Just program this new MF 1K's UID to the UID of lost card then you have a new Exactly the same card. Application: Access control, hotel locks, staff attendance, school campus access, membership management, payment control, identification and security systems, parking lot entry, social security management, transportation, municipal and ancillary service. Funtion: All block sector writable.Each block is rewritable and useful Operating Specifications: Waterproof and dustproof Packing: 10pcs UID Cards NoteThis UID card requires a card reader to write. The meaning of writing is just writing the inner code, not writing other data. The Android Mifare Classic Tool and NFC Tools just writes data, such as date, name, etc. Review: Uid is not re writable - Not as mention sector 0 re writable Review: Parfait - J'ai pu effectuer toutes mes copies sans aucun problème et elles fonctionnent correctement. ## Features - Material:PVC - Rewrite times:100,000 times - Read distance:0-10Cm(depend on the R/W device) - Read-write card can provide different access password or logical encryption version, product security is high. - Fully compatible to MIFARE Classic 1K,4-byte UID, 1K Byte memory, organized in 16 sectors of 4 blocks, compliant to ISO/IEC 14443A protocal ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | OBO HANDS | | Manufacturer | OBO HANDS | | Model number | UID | | Number of Memory Sticks | 1 | | Item Weight | 50 g | | Package Dimensions | 9.09 x 5.89 x 0.89 cm; 50 g | | Item model number | UID | | Are batteries included? | No | ## Images ![Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable - Image 1](https://m.media-amazon.com/images/I/51mRrSHvBQL.jpg) ![Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable - Image 2](https://m.media-amazon.com/images/I/51K2S--+XVL.jpg) ![Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable - Image 3](https://m.media-amazon.com/images/I/51fJ5VjITkL.jpg) ![Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable - Image 4](https://m.media-amazon.com/images/I/61GgbqDnCLL.jpg) ![Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable - Image 5](https://m.media-amazon.com/images/I/51IsmEt6LLL.jpg) ## Questions & Answers **Q: Is this card compatible with iso15693? is it compatible with proxmark3 ?** A: Yes. **Q: Do you need a special keyfile for these to work in the android app miifare classic tool? keeps erroring out for me...** A: Should be all FFFFFFFFFFFF. **Q: Hi, i'm not completely understanding the note in the item description. does this mean that the mifare classic tool cannot write to this card?** A: The mifare classic tool can only write the card number. If you want to crack the code, you need a professional card reader to write it. **Q: Android mifare classic tool has an option to write to manufacturer block. why do you say it doesn’t work to write the uid? are you referring to an older version of the tool that wasn’t able to do that?** A: Works with Proxmark. ## Customer Reviews ### ⭐ Uid is not re writable *by A***N on 20 June 2022* Not as mention sector 0 re writable ### ⭐⭐⭐⭐⭐ Parfait *by F***N on 15 November 2018* J'ai pu effectuer toutes mes copies sans aucun problème et elles fonctionnent correctement. ### ⭐⭐⭐⭐⭐ Works perfectly with NFC writer *by G***S on 25 December 2025* For people complaining not able to write into UID, you can't use Mifare classic on Android. You need an external USB NFC writer to do so. ## Frequently Bought Together - OBO HANDS Pcs of 10 UID IC Card Changeable Smart Card Clone Card for 1K S50 MF1 RFID 13.56MHz Access Control Block 0 Sector Writable - UID Rewrite Changeable 13.56mhz Smart IC Key Tag Writable Zero 0 Sector 0 Block GEN1 Back up S50 1k Card for ACR122U-A9 Device Copier Clone 10pcs/lot by XCRFID - Writable Dual chip UID Changeable MF1 1K with 125_LF T5577 Rewritable ID/IC Card for Copy Clone Backup --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/604203374-pcs-of-10-uid-ic-card-changeable-smart-card-clone](https://www.desertcart.hr/products/604203374-pcs-of-10-uid-ic-card-changeable-smart-card-clone) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-14*