In many regions, changing or rewriting an IMEI number is illegal unless you are an authorized service provider, as it can be used to mask stolen devices.

NVRAM write ensures the IMEI stays after factory resets.

to write data directly into the NVRAM. This makes the changes permanent, unlike software-based fixes that disappear after a reset. Prerequisites for Use Before starting, ensure you have the following components: MediaTek USB VCOM Drivers