how to unlock or bypass SAMSUNG GALAXY J4 (J400F/DS & J400G/DS) forgot security screen lock pattern or password pin protections

How to Easily Master Format SAMSUNG GALAXY J4 (J400F/DS & J400G/DS) with Safety Hard Reset?

Tips and tricks to fix SAMSUNG GALAXY J4 problems. Yes this is dual simcard smartphone which can work maximum 4G LTE…

55 years ago