INTRODUCTION Lab401's iCODE/SLI/SLIX Compatible UID Changeable card is an ISO 15693 iCODE/SLI/SLIX magic card. This card has a fixed memory size of 28 Blocks. If you're looking for larger or programmable memory size - please check out the iCODE SLI Gen2 UID Changeable ISO15693 Card. Technical Specifications Feature Information Notes Chipset ISO 15693 iCODE/SLI Memory Size 112 Bytes / 28 Blocks UID Size 8-Byte UID Modifiable ✔️ Packaging 1x White PVC card format Write Capabilities UID Modifiable Unlock Required DirectWrite / Block 0 One Time Write Notes ✔️ Device Compatibility Compatibility UID R/W Config Notes Flipper Zero ❌ ✔️ ❌ Can't change UID. Can R/W card. Proxmark / iCopy-X ✔️ ✔️ ✔️ Android & iOS ❌ ✔️ ❌ Can't change UID. Can R/W card. LibNFC ❌ ❌ ❌ ChameleonUltra ❌ ❌ ❌ Hands on: See the card in action Proxmark / iCopy-X Modification of the UID is simple: hf 15 csetuid 11223344 Where 11223344 is your target UID. IMPORTANT: Lab401 cannot provide support or refunds under any circumstances for cards that were 'bricked' due to incorrect configuration/programming.