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Unlock your Oppo F9 6GB


 Specification Oppo F9 6GB 
 Hard reset Oppo F9 6GB 
 Root Oppo F9 6GB 
 Firmware Oppo F9 6GB 
 Developer Mode Oppo F9 6GB 
 Bypass Lock Screen Oppo F9 6GB 
 Oppo F9 6GB Factory Reset 
 Bypass FRP Oppo F9 6GB 
 Secret codes Oppo F9 6GB 
 Screenshot Oppo F9 6GB 

Oppo F9 6GB


OS: ColorOS 5.2 (Android 8.1 Oreo)

CPU: 4x 2.0 GHz ARM Cortex-A73, 4x 2.0 GHz ARM Cortex-A53, Cores: 8
RAM: 6GB
Display: 6.3 inches
Camera: 15.93 MP (megapixels)
Battery: 3500 mAh, Li-Polymer


1. Use the Tenorshare 4uKey for Android app.
2. Make a hard reset (factory reset).
3. How to use a low battery to unlock a phone locked with a graphic key.
4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
5. Restore access to your smartphone using your Google Account.

1. Use the Tenorshare 4uKey for Android app.
  • Connect your phone to PC with USB cable and launch Tenorshare 4uKey for Android.
  • A menu will appear on the screen, press Remove.
  • The program will warn you about deleting all data on the phone, to continue working, click OK.
  • Wait until the end of the operation, and put the phone into recovery mode.
  • Click the Next button, then follow the steps recommended by the program to restore the device to factory settings and reboot it. After rebooting the smartphone, the screen lock will be disabled.


2. Make a hard reset (factory reset)
  • To get started, turn off your smartphone.Simultaneously press and hold for about 10-15 seconds one of the button combinations:
    Volume down button + Power button;
    Volume up button + Power button;
    Volume down button + Power button + Home button;
    Volume down button + Volume up button + Power button.

  • Select Recovery by using the volume up/down buttons to move through the menu and confirm the selection by pressing the power button.
  • Select Wipe data/factory reset. by using the volume buttons to move through the menu and confirm the selection by pressing the power button.
  • At the end, confirm the reset operation.


3. How to use a low battery to unlock a phone locked with a graphic key.
  • You need to ensure that the phone battery is discharged. To speed up the process, make sure that the screen is constantly lit.
  • When a few percent of the charge remains, the phone will report this and open a menu with power settings, that is, the lock will be removed.
  • You need to quickly open the menu item with security settings and disable the lock.


4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
  • You need to turn off the phone and prepare a memory card.
  • Download Aroma File Manager via computer to your phone's memory card. Insert a memory card into your smartphone.
  • Using the combination of volume and power buttons, put the smartphone into recovery mode.
  • In recovery mode, select the Install zip option. Then select Install zip from sdcard, Choose zip from sdcard, go to the archive folder with this program and select it.
  • After starting the program, you will need to go to the folder /data/system and delete the files 'gesture.key' and 'password.key' (for Android 4.4 or lower) or 'getekeeper.password.key' and 'getekeeper.pattern.key' (for Android 5 or higher)
  • Restart your smartphone. The block will be removed.


5. Restore access to your smartphone using your Google Account.
  • After unsuccessful attempts to unlock the phone, Forgot password? will appear on the phone screen. Click on it.
  • You will be asked to enter your Google Account username and password.
  • Remove the screen lock from the settings.



Thomas Nilan
Smartphone Expert
Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.



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