: Wipes user data and restores the device to original settings, often used when a device is locked by a pattern or PIN. FRP Bypass : Removes Google Account locks after a reset.
: Depending on the model, holding Volume Down or both Volume buttons while plugging in the USB may be required to force the correct COM port detection. Common Tools in This Category sprd u2s diag reset tool
Without a DIAG Reset tool, a technician facing a "Baseband Unknown" error on a Unisoc device is often stuck. Standard flashing tools (like SPD Research Tool) can revive the OS, but they cannot repair the modem partition structure if the diagnostic channel isn't open. : Wipes user data and restores the device
