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Huawei Ascend G510 U8951 hard reset using buttons

1. Turn off your Huawei G510 Android smartphone.

2. Press and hold Volume UP and POWER on the phone. Keep pressing these two buttons until recovery screen appears.

3. Select Factory reset /wipe data. (scroll down with VOL down.)

4. Select with power.

5. Scroll down to Yes -- delete all user data. Press power to confirm.

After all is done press power to reboot system now.

After data wipe has completed you are done.

Huawei Ascend G510 U8951 hard reset using menu

Restoring to factory settings
Restoring your phone to its factory settings erases all your personal data from the phone memory, including your email accounts, system and
application settings, and installed applications. Back up important data before the restoration.
1. On the home screen, touch and then the All tab.
2. In the PERSONAL area, touch Backup & reset.
3. Touch Factory data reset > Reset phone > Reset phone.
The phone will be restored to its factory settings and restart.
To back up important data on your phone before restoring factory settings, on the Settings screen, touch Backup & reset, and select the Back up my data check box.
huawei ascend g510

Huawei Ascend G510 U8951 hard reset using sd card firmware upgrade

(There are two ways to upgrade your Android phone's firmware. After you have downloaded the firmware and copied to SD card, you can use System update application in menu System Update->Update via SD card - this is the normal upgrade - or if your Huawei phone can’t boot up or you can't access the menu you have to use force upgrade process. )

Huawei Ascend G510 force upgrade mode

1. First you have to download Huawei G510 official firmware from their website.
2. After unzip the firmware .rar file, copy the unzipped dload folder and its content to the SD card's root directory.
3. Insert the SD card into your Huawei G510 Android phone and turn it off.
4. Press the VOLUME UP and VOLUME DOWN keys together, and then press the POWER key to power on the phone and enter the Software Upgrade Mode.
5. After the firmware upgrade procedure complete, and the progress bar finished, the phone will restart. If not, just remove the battery manually.
huawei ascend g510 hard reset firmware upgrade reboot

Check your firmware version in Settings > About phone > Build number.

 huawei ascend g510 hard reset firmware upgrade version check

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.