fastboot shell su fastboot shell setprop persist.service.cdma.imei "your_imei_number"
Open the dialer and type: *#06#
Check that both IMEI1 and IMEI2 match the original values. repair imei poco x3 nfc
Some advanced methods claim to repair IMEI even with a locked bootloader by using specific "firehose" files or online servicing accounts. Prerequisites & Verification fastboot shell su fastboot shell setprop persist
The module writes the IMEI directly to the NVRAM (Non-Volatile RAM). This is often permanent, but may reset after a full factory reset. repair imei poco x3 nfc
*#*#717717#*#*
is a technical process typically required when a device shows an "IMEI NULL" error or loses signal after a deep software flash.