This process is often called a "cross-region flash" and comes with risks. Below is what a comprehensive article would cover.

to flash a Global ROM onto Chinese hardware. This method completely replaces the operating system but requires a PC, a high-quality data cable, and significant technical knowledge, as it can "brick" the device if done incorrectly. System Settings Adjustment (Basic):

Converting an from a Chinese ROM to a Global ROM is a technical process that essentially replaces the phone's original software to give you access to Google Play Services and international languages. While possible for specific models like the PBAM00 or PBBM30 , it is not a standard update and carries significant risks. Why Convert?