Click the "Write" or "Start" button in the tool.
Flashing IMEI numbers is a highly sensitive process. Only use this tool for repairing a broken IMEI. Changing a phone's IMEI to a non-original number is illegal in many regions. write imei r1.5.6.1
| Section | Digits | Meaning | |----------|--------|-------------| | TAC | 8 | Type Allocation Code (device model & brand) | | SNR | 6 | Serial Number (unique to each unit) | | CD | 1 | Check Digit (Luhn algorithm) | Click the "Write" or "Start" button in the tool
to at least 50% battery to prevent shutdown during the process. Changing a phone's IMEI to a non-original number
Windows-only, which is limiting for cross-platform repair environments.
Some older phones tie the SIM lock to the IMEI. Rewriting the IMEI with a different (but legally owned) number can unlock the device—though modern methods use server-based unlocks.
Download the zip archive from a trusted technician forum or repository.