Hold both keys on your phone and connect it to the PC via USB cable.
Always backup your device's NVRAM (which stores your IMEI numbers) before flashing. The correct scatter file is your best friend, and patience is your greatest tool.
: For MT6781, testpoint + mtk-bypass + SP Flash Tool with custom DA is the most reliable “auth-free” combination. Keep a backup of preloader.bin and secro before any flash.
Using a generic version of the SP Flash Tool will often result in the dreaded "BROM Error" or "Authentication Required" message. To work with the MT6781, you need: mt6781 sp flash tool exclusive
file or use the "Format All + Download" mode, as this can lead to permanent hardware incompatibility. NVRAM/NVDATA Backup : Before any repartitioning or full flash, it is vital to backup NVRAM and NVDATA
The flashing process will start automatically since the device is already connected and bypassed. A yellow progress bar will indicate data transmission.
: This text file defines the memory map for your specific device model. Download Agent (DA) : A specific DA_6781.bin Hold both keys on your phone and connect
You may have flashed a firmware version that is too new. Some users with the Infinix X670 (MT6781) found that they could not flash the latest Android 13 ROM, but flashing an older Android 12 ROM worked perfectly, after which they could update via OTA.
While the phone is off, connect it to the computer via USB cable.
NEVER select "Format All + Download" . Doing so wipes the hardware NVRAM and NVDATA partitions, destroying your phone's cellular capabilities and IMEI numbers permanently. Step 5: Executing the Flash : For MT6781, testpoint + mtk-bypass + SP
Older versions do not support the MT6781 instruction set.
In the field, load the secure DA file provided with your firmware or use the default MTK_AllInOne_DA.bin .
MT6781 SP Flash Tool Exclusive: The Complete Firmware Flashing Guide
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