Generally, no. Carriers lock the bootloader and firmware partitions. Flashing generic firmware will usually result in a "Software Mismatch" error or a bricked device.
: The firmware supports the "Installer Helper App" via Bluetooth (BLE), which helps technicians or DIY users align the outdoor unit with the nearest cell tower for optimal reception. Zte Mc7010 Firmware
The firmware structure is interesting because of the underlying hardware: Generally, no
Do not download firmware from random file-sharing sites or YouTube links without verifying checksums. Malicious firmware can lock your IMEI or install backdoors. Zte Mc7010 Firmware
Go to Settings > System > System Update .