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Unlock your BLU V9


 Specification BLU V9 
 Root BLU V9 
 Firmware BLU V9 
 Developer Mode BLU V9 
 Bypass Lock Screen BLU V9 
 BLU V9 Factory Reset 
 Bypass FRP BLU V9 
 Secret codes BLU V9 
 Screenshot BLU V9 

BLU V9


OS: Android 9.0 Pie

CPU: Unisoc SC9863A, Processor clock: 1.60 GHz, Number of cores: 8, GPU: IMG8322
RAM: 3 GB
Display: Color / IPS TFT, 16M colors, 720 x 1520 px (6.30") 267 ppi, ~81.0% screen-to-body ratio
Camera: 13 Mpx
Battery: Li-Ion 4000 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, click Remove.
  • Smartphone screen lock removal will start.
  • Wait until the end of the operation, and put the 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 up / down buttons, select Recovery and press the power button.
  • Using the volume up/down buttons to navigate through the menu, select Wipe data/factory reset. and press the power button.
  • Confirm the hard reset and reboot the phone.


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 about this and open the menu with power settings, that is, it will unlock the phone.
  • 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 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, put the 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 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)
  • Restart your smartphone. The block will be removed.


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