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Unlock your Coolpad N3D


 Specification Coolpad N3D 
 Root Coolpad N3D 
 Firmware Coolpad N3D 
 Developer Mode Coolpad N3D 
 Bypass Lock Screen Coolpad N3D 
 Coolpad N3D Factory Reset 
 Secret codes Coolpad N3D 
 Screenshot Coolpad N3D 

Coolpad N3D


OS: Android 8.1 Oreo

CPU: Spreadtrum SC9850, Processor clock: 1.30 GHz, Number of cores: 4, GPU: ARM Mali-820 MP1
RAM: 2 GB
Display: Color / IPS TFT, 16M colors, 720 x 1440 px (5.45") 295 ppi
Camera: 8 Mpx
Battery: Li-Ion 2500 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.
  • First, connect your phone to PC and launch 4uKey for Android.
  • Press the Remove button on the PC screen
  • The program will warn you about deleting all data on the phone, to continue working, click OK.
  • Wait until the operation is completed, and then put your smartphone into recovery mode according to the prompts on the computer screen.
  • 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)
  • First, turn off your phone.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. by using the volume buttons to move through the menu and confirm the selection by pressing the power button.
  • Confirm hard reset.


3. How to use a low battery to unlock a phone locked with a graphic key.
  • You need to ensure that the phone battery is discharged. To speed up the process, make sure that the screen is constantly lit.
  • 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 open the menu item with security settings and disable the lock.


4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
  • You need to turn off the phone and remove the memory card from it.
  • Download Aroma File Manager via computer to your 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, select Install zip -> 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)
  • 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 restore access with your Google Account. You will need to enter your Google Account username and password.
  • Remove the screen lock from the settings.



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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