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: Using a tool like UMT (QcFire) , the technician selects the "Flash" option but ensures the OEMInfo and NV (IMEI) partitions are not overwritten.
To fix a device that will not turn on or is stuck in a boot loop while preserving data, technicians typically use the following approaches: : Using a tool like UMT (QcFire) ,
: If the phone boots but is stuck on the logo, a "Wipe Data/Factory Reset" from the standard recovery menu (Volume Up + Power) often clears the remaining software glitches. Critical Cautions : Using a tool like UMT (QcFire) ,
: Connect the device via Test Points to the PC. : Using a tool like UMT (QcFire) ,