FREE DOWNLOAD
Date | 2020-09-19 10:27:07 |
Filesize | 1.00 MB |
Visits | 1500 |
Downloads | 319 |
Probably you may face null IMEI issue or invalid IMEI issue on VIVO Y83 & Y83A devices after flashing firmware. Generally, it’s a main issue of no SIM network in mobile. You can’t make a call using your device, if you have a null IMEI or invalid IMEI error.
Type *#558# on Dial Pad
Then Click on Quality Verification Test
Then Click on Development Debug
Last Click on Debugging Port