: Use the admin password found on the sticker at the bottom of your device .
Here is a step-by-step guide on how to check for and install software updates on your device. update+software+in+zte+mf297d
Always back up your current configuration settings before performing a firmware update to ensure you can quickly restore your network if the update resets your custom settings. How to Update your ZTE MF297D, How To - HardReset.info : Use the admin password found on the
The Qualcomm MDM9x07 chipset inside is still supported for 4G LTE Cat4. However, if your firmware is from 2019, you cannot connect to newer "LTE Advanced" towers. Update immediately. How to Update your ZTE MF297D, How To - HardReset
Note: If you see "No updates available" but know a newer version exists, your carrier has stopped OTA support. Use Method 1.
This is the easiest method, but carriers rarely push OTA updates for 4G hotspots anymore.
New firmware often improves how the router manages cellular bands, leading to faster data throughput.