by Hard Reset
Samsung S5690 Galaxy Xcover hard reset
1. Power off phone.
2. Press volume up , home , power key same time.
3. As screen shows samsung logo and blink 1 time - after about 8 sec. - release power key only.
4. In recovery menu highlight with volume button and select wipe data / factory reset option.
5. Select "yes -- delete all user data".
after that choose reboot system now, then all done.
Use this method to hard reset your Samsung S5690 Galaxy Xcover: Enter *2767*3855#. Warning! All your data including contacts, messages etc. will be lost! Copy all your necessary data/Contacts/Messages etc. to SIM or make backup to your PC before full reset! Take out SIM card before full reset.
Before you buy a new cell phone or new tablet, please try the following procedure to repair your device. First charge your battery, backup your important data if possible and in most cases take out SIM and SD card before factory reset. It is impossible to recover your data after doing a hard reset, so online backup is always important. For all of your data, a backup should be done on an external device, hard drive, raid system or media. With or without insurance, if your cell phone lost, damaged or stolen at least your invaluable data is backed up in a safe place. If you are about to sell your phone and you want to wipe your personal data, or if your phone affected with virus you have to do a hard reset. In some cases, you can delete the forgotten password or lock pattern from your device as well. All information is for devices with stock based ROMs. If you are using rooted device, always back up your EFS folder first, containing your IMEI info, etc.!