If the device is carrier-locked (e.g., originally T-Mobile), you may need an active SIM from that carrier to access their firmware portal. For unlocked units, check ZTE’s global site by entering your serial number.
A: No. Never cross-flash firmware between regional variants – it will brick the device. zte mc7010 firmware update free
: In the System Update section of the web interface, select the Offline update or "Local Update" option. If the device is carrier-locked (e