A: Generally yes, but if you modify system partitions, OTA may fail. You can flash stock unmodified images and relock to restore OTAs.
If the flashed image is incompatible with the kernel version of the installed Android OS, the device will enter a bootloop (infinite restart). This requires flashing the stock firmware to recover. sp flash tool unlock bootloader
To develop a post about using SP Flash Tool to unlock a bootloader, it is crucial to clarify that , not for the actual unlocking process. On MediaTek (MTK) devices, "unlocking" via this tool usually refers to bypassing the BootROM protection (Auth/SLA/DA) to allow the tool to communicate with a locked device. A: Generally yes, but if you modify system
