Unlock your Oppo Realme C25s

OS: Android 11, Realme UI 2.0

CPU: Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)

RAM: 64GB 4GB RAM, 128GB 4GB RAM

Display: 6.5" inc

Camera: 48 MP, f/1.8, 26mm (wide), PDAF (International model)
-13 MP, f/2.2, 26mm (wide), 1/3.06'', 1.12µm, PDAF (India model)
-2 MP, f/2.4, (macro)
-2 MP, f/2.4, (depth)

Battery: 6000 mAh, Li-Po, non-removable

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.
In the menu that appears, click Remove.
The removal of the phone screen lock will begin. Confirm the deletion, 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, select Recovery and press the power button.
Using the volume up/down buttons to navigate through the menu options, 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 charge left, the phone will notify about this and open the menu with power settings, that is, it will unlock the phone.
You need to open security settings and disable phone 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 a memory card into your smartphone.
Using the combination of volume and power buttons, boot your smartphone into recovery mode.
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' (if you have Android 4.4 or lower) or 'getekeeper.password.key' and 'getekeeper. pattern.key' (if you have Android 5 or higher)
Reboot your smartphone. The screen lock will be released.

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

After several unsuccessful attempts to unlock the phone, the message Forgot password? will appear. Click on it.
You will need to enter your Google Account username and password.
Delete in the lock screen settings.