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Unlock your Cubot S550


 Specification Cubot S550 
 Root Cubot S550 
 Firmware Cubot S550 
 Developer Mode Cubot S550 
 Bypass Lock Screen Cubot S550 
 Cubot S550 Factory Reset 
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 Screenshot Cubot S550 

Cubot S550


OS: Android v6.0 (Marshmallow)

CPU: Quad core
Display: 5.5 inches
Battery: 3000 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 on the PC screen
  • 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 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 buttons to navigate through the menu, select Recovery and press 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 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 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 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.
  • Download Aroma File Manager via computer to your phone's memory card. Insert a memory card into your smartphone.
  • 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.
  • 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.
  • 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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