Unlock your OPPO F11 Pro Marvels Avengers Limited Edition

OS: Android v9.0 (Pie)

CPU: Octa core (2.1 GHz, Quad core, Cortex A73 2 GHz, Quad core, Cortex A53)

RAM: 128 GB

Display: 6.5 inches (16.51 cm)

Battery: 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 smartphone to your PC and launch the 4uKey for Android program.
A menu will appear on the screen, press Remove.
After verifying the data, the removal of the smartphone screen lock will begin. The program will warn you about deleting all data on the phone, to continue working, click OK.
Wait until the lock is removed, and then put your smartphone into recovery mode according to the prompts on the computer screen.
Click the Next button and follow the instructions on the screen. After starting the smartphone, the screen lock will be disabled.

2. Make a hard reset (factory reset)

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.
Using the volume up/down buttons to navigate through the menu, select Recovery and press the power button.
Using the volume buttons to navigate through the menu, select Wipe data/factory reset. and press the power button
Confirm the reset.

3. How to use a low battery to unlock a phone locked with a graphic key.

You need to wait for the battery to drain.
When the battery has a few percent left, the phone will report this and open a menu with power settings, that is, it will unlock the phone.
You need to open the security settings and disable the lock.

4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.

Turn off your smartphone and remove the memory card from it.
Copy the Aroma File Manager program to the phone's memory card. Insert the memory card back into the phone.
Put your smartphone into recovery mode using the button combinations that are suitable for your particular model.
In recovery mode, select the option Install zip -> Install zip from sdcard -> Choose zip from sdcard, go to the archive folder with this program and select it.
You need to find the /data/system folder 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)
Reboot your smartphone.

5. Restore access to your smartphone using your Google Account.

When you try to unlock the phone several times, Forgot password? will appear on the screen. Click on it.
You will need to enter your Google Account username and password.
Delete in the lock screen 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.