How to fix SW REV. CHECKFAIL. DEVIC:2 BINARY:1 on and all A3 variants."100% working method"

    

How to fix Se REV. CHECKFAIL. DEVICE:2 BINARY:1 on  Samsung A3 2017 and all variants.

This Problem SW REV. CHECKFAIL. DEVICE CHECKFAIL. DEVICE:2 BiNARY:1 is faced by many of the user is due to flashing  a custom ROM or updating boot loader.

What you have to do-:

Just download the latest  FIRMWARE   of your mobile. only latest firmware will work in this condition check the release date and  and flash it through odin. 

this method will absolutely work.
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