Vivo Y12A QCN File Efs File

 Vivo Y12A QCN File Efs File No Service Fix 100% Tested

OS update brick after phone security update / phone security partition. Some Baseband Unknown and Imei Null or 00 How. After updating Vivo Y12A baseband ok but imei 00 and no service. Don't worry, this is a common problem. If you are facing this problem on your Vivo Y12A please contact me and I hope I can fix it.

PADE FILE

Operation : Backup QCN 
Port : COM9 : Qualcomm HS-USB Diagnostics 9025 (COM9 
Compile : Sep 10 2021 07:40:04
Release : May 17 2021 16:00:00
Hw. Ver. : sdm439.g
Software : ----
IMEI :  / 
Reading QCN Data...Done
Saved As
Operation Finished.QcFire Ver. 7.4

 C:\UMTool\QcFire\QCN_Backup\sdm439.g_-211111_001700.qcn