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Unlock your Sansui U30


 Specification Sansui U30 
 Root Sansui U30 
 Firmware Sansui U30 
 Developer Mode Sansui U30 
 Bypass Lock Screen Sansui U30 
 Sansui U30 Factory Reset 
 Secret codes Sansui U30 
 Screenshot Sansui U30 

Sansui U30


OS: Android v4.4 (KitKat)

CPU: 1 GHz, Single Core Processor
RAM: 256 MB
Display: 3.5 inches, 320 x 480 pixels
Camera: 2 MP
Battery: 1300 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.
  • In the menu that appears on the PC screen, click 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 instructions on the computer screen.
  • Click the Next button, follow the steps recommended by the program. 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 buttons to move through the menu and confirm the selection by pressing the power button.
  • Select Wipe data/factory reset. using volume buttons to navigate through the menu and confirm selection by pressing the power button.
  • Confirm the reset operation and reboot 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 phone is discharged.
  • 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 quickly go to the security menu and disable the lock.


4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
  • Turn off your phone and prepare a memory card.
  • Copy the Aroma File Manager program to the phone's memory card. Insert the memory card back into the phone.
  • Using a combination of buttons, put your smartphone into recovery mode.
  • In recovery mode, find the item Install zip. Then go to 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 /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)
  • Restart your smartphone. The screen lock will be released.


5. Restore access to your smartphone using your Google Account.
  • After several unsuccessful ways to unlock the phone, Forgot password? will appear on the screen. Click on it.
  • Choose to regain access by entering your Google Account login password.
  • Reset the screen lock.



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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