Note: available options depend on the firmware and ISP lock.
Key hardware specifications include:
Some users report that if updates aren't appearing, inserting a SIM card from a different major carrier can sometimes trigger a "pending" update from the Huawei servers. huawei h122-373 firmware
If you cannot manually select your 4G/5G bands, your current carrier-customized firmware has likely locked these settings. Note: available options depend on the firmware and ISP lock