If you own a "retail" or unlocked version of the device, you should visit the ZTE Support Center. You will need to create an account and provide your device's serial number to see if there are available downloads for your specific hardware revision. 3. Manual Web Interface Check
Log in with your credentials (found on the sticker at the back of the device). Navigate to > Firmware Upgrade . Check the current Software Version string. Troubleshooting Common Issues
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If you own a "retail" or unlocked version of the device, you should visit the ZTE Support Center. You will need to create an account and provide your device's serial number to see if there are available downloads for your specific hardware revision. 3. Manual Web Interface Check
Log in with your credentials (found on the sticker at the back of the device). Navigate to > Firmware Upgrade . Check the current Software Version string. Troubleshooting Common Issues zte zxhn f670l firmware download hot extra quality
