Look for a sticker. It may say:
Some custom firmware files have the carrier lock disabled. After flashing such a file: china mobile m654 firmware
: Using the wrong version (e.g., an M654 firmware on an M654+ model) can result in a "White Screen of Death" or a permanent loss of the IMEI number, stripping the phone of its ability to make calls. The "Nostalgic Modern" Vibe Look for a sticker
It looks like you are looking for the for the China Mobile M654 device. loaded the scatter file
, loaded the scatter file, and saw the partitions line up like soldiers: Boot, Recovery, System. He carefully unticked the "Preloader"