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Unlock your HSL Y401


 Specification HSL Y401 
 Root HSL Y401 
 Firmware HSL Y401 
 Developer Mode HSL Y401 
 Bypass Lock Screen HSL Y401 
 HSL Y401 Factory Reset 
 Secret codes HSL Y401 
 Screenshot HSL Y401 

HSL Y401


OS: Android v4.4 (Kitkat)

CPU: Quad core, 1.3 GHz, ARM Cortex A7
RAM: 512 MB
Display: 4.5 inches
Camera: 5 MP
Battery: 1750 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.
  • Press the Remove button in the menu that appears on the PC screen.
  • The program will warn you about deleting all data from the smartphone, to continue working, click OK.
  • After finishing the lock removal process, put your phone into recovery mode.
  • Click the Next button, then follow the steps recommended by the program to restore the device to factory settings and reboot it. After starting 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.

  • Using the volume buttons to navigate through the menu, select Recovery and confirm 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.
  • Finally, confirm the reset operation.


3. How to use a low battery to unlock a phone locked with a graphic key.
  • You need to make sure that the battery of the phone is discharged.
  • When the battery has a few percent charge left, the phone will notify you 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.
  • Copy Aroma File Manager 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 option Install zip -> Install zip from sdcard -> Choose zip from sdcard, go to the archive folder with this program and select it.
  • After running the program, you will need to select 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 need to enter your Google Account username and password.
  • Remove 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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