Always back up your NVRAM/NVDATA partitions to avoid losing your IMEI and network signals.
For the MT6765 (Helio P35) chipset, is the most stable choice. sp flash tool for mt6765 best
Includes updated support for the 64-bit architecture of the MT6765. Always back up your NVRAM/NVDATA partitions to avoid
Most modern MT6765 devices use Secure Boot. You will likely need a "MCT Auth Bypass" tool to disable this protection before the SP Flash Tool can communicate with the device. sp flash tool for mt6765 best