samsung A5 and A 7 and all android samsung mobile free unlock at home and very easy remove pattren lock and security codes all samsung mobile
1 power off your samsung mobile phone.
2 press hold volume up and home key and press power on button .
3 and when on your mobile samsung log unpress you power button hold home key and volume up key.
4 Sclect option factry reset press power button.
5 and YES
6 reboot now press power button.
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