System.new.dat.br To System.img Better Guide
The system.new.dat.br file is usually included in a payload.bin file, which is a container file that holds the OTA update payload. To extract the payload.bin file, you can use tools like payload_dumper or otatools .
fastboot flash system system.img fastboot reboot system.new.dat.br to system.img
Most custom recoveries (TWRP) and Fastboot accept both, but raw images are easier to mount. The system
python sdat2img.py system.transfer.list system.new.dat system.img system.new.dat.br to system.img
Google introduced with Android 10. Instead of system.new.dat.br , many stock ROMs now use payload.bin inside a zip.