Ensure the device isn't disconnected during the process. Try a different USB port.
Warning: flashing firmware can permanently brick devices and may void warranty. Proceed only if you accept the risk. 4gdong001 Firmware
(like the Qualcomm 9600 or MSM8916) and supports download speeds up to Ensure the device isn't disconnected during the process
After flashing, perform these checks:
Before flashing any new firmware, always run AT+GETSIMSTATE to confirm the SIM is recognized and AT+CEREG? to check network registration on the current firmware. Document the baseline. This data will be your lifeline if the new firmware fails to register on your local carrier. 4gdong001 Firmware