Install the ZTE drivers on your PC. Plug in the modem and verify that it appears in your Windows Device Manager under "Ports (COM & LPT)." If possible, use an NVRAM backup tool to save your device’s original IMEI and calibration data. Step 2: Switch to Download Mode
Once flashed, confirm improvements:
Install the correct Qualcomm or ZTE diagnostic drivers so your PC can recognize the modem in download mode.
Install the ZTE drivers on your PC. Plug in the modem and verify that it appears in your Windows Device Manager under "Ports (COM & LPT)." If possible, use an NVRAM backup tool to save your device’s original IMEI and calibration data. Step 2: Switch to Download Mode
Once flashed, confirm improvements:
Install the correct Qualcomm or ZTE diagnostic drivers so your PC can recognize the modem in download mode.