OPPO A57 NO SERVICE SOLUTION | FREE DOWNLOAD LINK
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HI, HARE I SHOW YOU ABOUT HOW TO FIX OPPO A57 NO SERVICE PROBLEM
Now type *#801# eanbel only to
- full-port swich
2. Rndis,diag swich and then open UMT then use only UMT IMEI repair tab and follow the full video

WHICH IS NEEDS FOR FIX NO SERVICE PROBLEMS ?
- UMT QCfire Latest Setup
- Qualcomm diagport driver
- If need some File (Esf/Qcn)