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Unlock your Lenovo A820t


 Specification Lenovo A820t 
 Root Lenovo A820t 
 Firmware Lenovo A820t 
 Developer Mode Lenovo A820t 
 Bypass Lock Screen Lenovo A820t 
 Lenovo A820t Factory Reset 
 Bypass FRP Lenovo A820t 
 Secret codes Lenovo A820t 
 Screenshot Lenovo A820t 

Lenovo A820t


OS: Android 4.1 Jelly Bean

CPU: MediaTek MT6589T, Processor clock: 1.20 GHz, Number of cores: 4, GPU: PowerVR SGX544 MP1 @357 MHz
RAM: 1 GB
Display: Color / IPS TFT, 16M colors, 540 x 960 px (4.50") 245 ppi, ~60.8% screen-to-body ratio
Camera: 8 Mpx
Battery: Li-Ion 2000 mAh


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 and launch Tenorshare 4uKey for Android.
  • A menu will appear on the screen, press Remove.
  • The program will warn you about deleting all data from the smartphone, to continue working, 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 and follow the instructions on the screen. 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. using volume up/down buttons to navigate through the menu and confirm selection by pressing the power button.
  • Confirm the reset and restart your smartphone


3. How to use a low battery to unlock a phone locked with a graphic key.
  • You need to wait until the battery of the smartphone is discharged.
  • 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 the menu with security settings and turn off the phone lock.


4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
  • Turn off your 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, boot your smartphone into recovery mode.
  • In recovery mode, select Install zip -> Install zip from sdcard -> Choose zip from sdcard, go to the archive folder with this program and select it.
  • You need to go to the /data/system folder and delete the files 'gesture.key' and 'password.key' (for the Android 4.4 or lower operating system) or 'getekeeper.password.key' and 'getekeeper.pattern. key' (for Android 5 operating system 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.
  • Choose to restore access with your Google Account. You will need to enter your Google Account username and password.
  • Remove the screen lock in 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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