How to Hard Reset / Factory Reset Android OPPO YOYO R2001.

Hard Reset OPPO YOYO R2001. this phone is the smartphone released in May 2014. with 4,7 Inch IPS LCD capacitive touchscreen, 16M colors, work on Android OS, v4.2.1 (Jelly Bean), and supported with Quad-core 1.3 GHz Cortex-A7 CPU, Mediatek MT6582M chipset, Mali-400MP2 GPU, combined with 1 GB of RAM, 8 MP on primary camera and 2 MP on secondary camera.

1st Methode. Hard Reset Using Software Menu :

1. Make sure your battery is fully charged, Recommend you have 80% of battery capacity
2. Then Backup your OPPO YOYO R2001. see this guide
3. Open the application tray,  pointing up located in the middle at the bottom of the display screen
4. Go to menu: Setting >
5. Select Back Up and Reset>
6. Factory Data Reset > 
7. Reset Phone
8. Choose Erase everything to confirm that you already to perform a hard reset on  OPPO YOYO R2001
9. OPPO YOYO R2001  will continue to hard reset process to restore factory default.
10. You can not use this method to reset your phone if it lost or stolen.

2ndMethode. Hard Reset Using Hardware Keys:

1. Make sure your battery is fully charged, we recommend that your battery has 80% power
2. Always BackUp your important data that store in OPPO YOYO R2001. see this guide
3. Turn Off your OPPO YOYO R2001  by hold and press Power Button for a second.
4. Release any SIM card and SD card that was installed on your smartphone.
5. Then press and hold a combination key Power button + Volume Down.
6. The phone will vibrate and show Oppo Logo on screen, release the only power button.
   
7. Now, release All button when your phone show language choice on screen.
8. You can use Volume Down and Volume Up to navigate all the menu. and Power Button for confirming your choice. or you can tap the menu on the screen.
9. Now select English to enter ColorOS Recovery.
10. On the next screen, select Wipe All Data and Removable Applications.

    

    Wipe All Data and Removable Applications
11. On the next screen you will show a confirmation about Wipe All Data and Removable Applications, because All Data and Removable Applications will be wiped, this operation can not be undone. And now select OK.
12. Now, you will see a wipe data and cache process to wipe all data stored on your OPPO YOYO R2001 phone.
13. Wait until everything finishes, 
14. If you see a message that wiped data successfully appear o screen, it's mean you have successfully performed the hard reset on this OPPO YOYO R2001 phone.
15. Now, select reboot, to reboot your device. 
16. Select OK to confirm reboot OPPO YOYO R2001.
17. Finish, Now you have successfully Hard Reset / Factory Reset Android OPPO YOYO R2001.

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