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Samsung I8520 Galaxy S Wifi 5.0 hard reset

Turn off Galaxy Wifi. Press and hold Volume UP + POWER on the Galaxy S Wifi 5.0. When Samsung logo appears release power but keep pressing Volume UP until you see android and then the recovery menu. Select wipe data/factory reset with Volume down and confirm with center Home/OK button.

Note: It will delete forgotten unlock pattern. It will not delete forgotten PIN code. You need to reflash its firmware.

Samsung Galaxy Wifi S 5 hard reset

Try Samsung Kies software to upgrade Samsung Galaxy S Wifi 5.0 YP-G70CW firmware

In Idle mode, open the application list and select
Settings → Privacy → Factory data reset → Reset phone → Erase everything. All data will be lost!

Samsung YP-G70 I8520 Galaxy S Wifi 5.0 soft reset

If your device freezes or hangs, you may need to close programs or reset the device. If your
device is frozen and unresponsive, press and hold [POWER] for 8-10 seconds. The device will reboot automatically.

Samsung I8520 Galaxy S Wifi 5.0 Download mode:
Please note that this is only for firmware upgrade using a PC computer!

Turn Galaxy S Wifi 5.0 off. Press and hold Volume DOWN + Power buttons together. (If you are not connected to a PC you can safely turn off the device. Only when no flashing procedure is under progress.) yp70 yp-70

samsung galaxy s wifi 5 hard reset

Do not forget to regulary check for updates.
Why is it important to check for updates?
Software updates correct errors, eliminate security vulnerabilities and provide new features.
To check for Updates on Andorid 2.3.6 operating system go to Settings then scroll down to About device > Software update > Update / Check for updates

android software update1 android software update2 android software update3

General advice: Before you buy a new cell phone or new tablet, please try the following procedure to repair your device in a software way. First charge your battery, backup your important data if possible and in most cases take out SIM and SD card before doing 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.! Please also note, that a hard reset operation will not unlock your mobile phone's SIM lock or network lock, but it will remove the unlock pattern, remove the user password or PIN password (NOT the SIM card's 4 digit PIN code). Also note that the firmware version will not be affected in any way, it will not be downgraded, it will remain the same you are using and if you have rooted your device, root privileges remain also unaffected.