Smartphones > Tengda > Tengda J6

Unlock your Tengda J6

Specification Tengda J6

Root Tengda J6

Firmware Tengda J6

Developer Mode Tengda J6

Bypass Lock Screen Tengda J6

Tengda J6 Factory Reset

Secret codes Tengda J6

Screenshot Tengda J6

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 smartphone to your PC and launch the 4uKey for Android program.
• In the menu that appears, click Remove.
• The program will warn you about deleting all data on the phone, 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 rebooting the smartphone, the screen lock will be disabled.

2. Make a hard reset (factory reset)

• 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 buttons to navigate through the menu, select Wipe data/factory reset. and confirm 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 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 quickly find the page with security settings in the menu and disable the lock.

4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.

• Turn off your smartphone and remove the memory card from it.
• Copy the Aroma File Manager program to the phone's memory card. Insert a memory card into your smartphone.
• Put your smartphone into recovery mode using the appropriate button combination for your model.
• 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 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 phone. The block will be removed.

5. Restore access to your smartphone using your Google Account.

• After several attempts 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 from the settings.

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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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