For official technical documentation, you can refer to the iCopy-X100 User Manual on Manuals+ or the Scribd repository .
Place the source card on the device's reading area and click "Read" or "Decode" in the software. icopykey x100 software
The most stable version of the X100 software is not the official one—it's the cracked v4.3.5 from a Russian forum. That version removes online checks and allows unlimited OBD programming. But it also disables safety timers, risking ECU corruption. For official technical documentation, you can refer to
A: Failure can occur for several reasons: For official technical documentation
: Once the data is successfully read and "Success" appears, replace the original card with a blank rewritable (UID/CUID) card and click AliExpress France 3. Using the Mobile App