Zte Mf920u Firmware Now
No. SIM locks are stored in a separate NVRAM partition. You need a carrier unlock code or specialized unlock firmware (like V4.0.1 Unlock Edition). Standard updates preserve the lock.
After a successful update (official or custom), perform these verification steps: Zte Mf920u Firmware
Your settings may have been wiped. Log back in and ensure Network Selection is set to "Auto" or specifically to "LTE only" if you have good coverage. Your settings may have been wiped
Firmware is the low-level operating system embedded in the hotspot’s flash memory. It controls the modem chipset (Qualcomm MDM9230), the WiFi radio (802.11 b/g/n/ac), battery management, and the web interface. the WiFi radio (802.11 b/g/n/ac)