Before you begin, it is important to understand how carrier locking works and what "free" unlocking means in this context:
: Some "free" methods involve flashing the device with an unbranded or different regional version of the firmware (e.g., ZTE MF90 firmware B05
Which of these would you like?
Right-click the firmware update executable (e.g., update.exe or ZTE_Flash_Tool.exe ) and select .
If the flash hangs at the very end, wait at least 5 minutes. If it fails to complete, check if the device automatically rebooted into normal mode anyway.
Install the official ZTE USB drivers so your Windows PC properly recognizes the device in download mode. Step-by-Step ZTE MF910 Free Unlock Firmware Guide
Do not unplug the USB cable or close the program while the progress bar moves.
If you insert a SIM card from a different network, you are greeted by a screen asking for a . Buying this code can cost anywhere from $15 to $40. But there is a better, permanent solution: flashing free unlock firmware .
