* Factory reset Samsung Galaxy for the better performance. If your Galaxy S4/S5/S6/S7/S8 is very laggy, glitchy, and not working probably, you can perform a hard reset to fix these issues.
* Before you selling your old Samsung galaxy, factory reset is necessary to protect your private info, as factory reset will erases all of the data on your galaxy s and reverts it back to the way ti was when you first got it.
* Contrary to the last reason, when you get a second hand galaxy phone, you may want to factory reset the phone and move other people’s files.
* Unlock the forgotten account password. When factory reset your galaxy s3/s4/s5/S6/S7/S8 etc. The screen password and Google Gamil account password will be removed.
Keep Attention When Factory Reset Samsung Galaxy
* According to a report, 500 million Android devices(over 70% Samsung devices) at risk: Researchers find that factory reset doesn’t completely wipe data. To absolutely delete the data, you can use a freeware Eraser to do the job.
* Factory reset will wipe data on the internal memory of the device, which means the custom settings, application apps, contacts, messages, photos and other files on internal memory will be deleted. Thus, make sure that you have backed up these data beforehand. You can sync with your Gmail account or backup files with apps like Android manager. Didn’t back up? It’s OK, I guess you have to get help from 3-rd party Samsung Data Recovery tool if you want to restore them.
Two Ways to Factory Reset Galaxy S
1. Factory Reset a Working Galaxy S4/S5 Using Setting Menus
The easiest way to factory galaxy s is using its setting menus. This way only works for working device.
* On your Galaxy, click Menu button.
* Clicking “Setting/Privacy”
* Tap “Backup and Reset” button listed under User and Backup
* Select “Factory data reset”or "Backup & reset" etc. something like that.
That’s it, your galaxy s is factory reset.
2. Factory Reset Samsung Galaxy S4/S5 with Hardware Buttons
If your phone is frozen or the display won't wake up or you've broken your screen, maybe it is stuck in a bootloop, in theses case, you have to perform a reset by using the physical buttons.
* Power off your Samsung Galaxy S. For frozen device, you have to pull the battery out.
* Hold and press key combo: Volume up button + Home button + Power button.
* Release the power button until the device vibrates, but keep pressing the two other.
* Let all the buttons go when you see Android System Recovery screen.
* Use Volume down to navigate the wipe data/factory reset option and press the Power button to select it.
* Navigate with volume down button to ''yes delete user data'' Press power button again to confirm.
* Wait a few seconds, the device will be reset. After it is done, reboot system now should be highlighted and simple press power button to reboot your device.
* When the Samsung galaxy restarts it should be completely wiped and ready to set up again.
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