Unlock your Lenovo A766

OS: Android 4.2

CPU: MediaTek MT6589, 1200 MHz

RAM: 512 Mb

Display: 5"

Camera: 5 MP

Battery: 2000 mAв‹…h

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.

First, connect your phone to PC and launch 4uKey for Android.
Press the Remove button on the PC screen
The removal of the phone screen lock will begin. Confirm the deletion, click OK.
Wait until the end of the operation, and put your smartphone into recovery mode according to the prompts on the computer screen.
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)

First, turn off your phone.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 buttons to navigate through the menu, 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.
Finally confirm the hard reset operation.

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

You need to discharge the battery. 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 open security settings and disable phone lock.

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

You need to turn off the phone and remove the memory card from it.
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, boot your 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)
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 be asked to enter your Google Account username and password.
Remove the screen lock from the settings.

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Unlock your Lenovo A766

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