Samsung J4 SM-J400F Country Unlock File Android 7.1 (Nougat) Firmware 100% Tested Download Here
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The following Problems will be solved by this Firmware.!!!!
01. Sudden auto restart ( ON-Off ).
02. blinking LCD.
03. when the phone shows Black & White LCD.
04. Unwanted Monkey/ Sexy virus.
05. Slow performance of Ram.
06. The phone storage full problem.
07. File missing problems.
08. Wrong text box ” unfortunately App has been stopped”.
Install Steps By Steps Firmware on Samsung J4 SM-J400F Country Unlock File
This Firmware Version Here-
File Name: Samsung J4 SM- J400F Country Unlocked
File Size: 2.2 GB
Android Version: 8.0 (Oreo)
Download Link Here Samsung J4 SM-J400F Country Unlock File