In cases of physical drops, the solder joints under the MT6833 (Dimensity 700) CPU may crack, requiring the chip to be removed, re-soldered, and replaced. Summary and Prevention
A "dead boot" occurs when the device's primary bootloader—the software responsible for initializing the operating system—becomes corrupted or damaged. In this state, the phone is essentially "brain dead." It cannot load the Android OS, nor can it enter standard recovery mode. samsung a136u dead boot repair
This phone has no external SD card and uses dynamic partitions – so regular Odin won’t see it in this state. In cases of physical drops, the solder joints