I've got the ZTE Blade V Smart (2050) that uses the MT6771 processors. It had been rooted on Android 9 which caused me to lose my IMEI, but I removed root, and then updated the phone to Android 10. After updating I received the NVRAM ERROR in my wifi settings. What did I do? I did a data factory reset thinking it would update properly the next time. Wrong! I tried over 20 times at least. I have searched high and low online for a backup of the firmware to download so I can achieve root again...Read more