Warning! before performing a hard reset, make sure you know your google login and password. if you have android version 5.1 or higher on your device and you have added a google account, you might. We need factory reset in some situations when our samsung galaxy a3 screen pattern lock demands google account to unlock pattern lock. some time we have many apps installed on mobile and we have to face many problems like mobile hang, slow speed, stuck on samsung logo.. How to unlock password or pattern lock for android 4.4 and below . to make use of the integrated method, in older versions of samsung phones, you will have to initially enter the incorrect pattern, pin or passcode..
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