Unlock your Lemon Aspire A3 3D

OS: Android v4.0.4 (ICS)

CPU: 1 GHz, Dual Core Processor

RAM: 1 GB

Display: 4.3 inches, 540 x 960 pixels

Camera: 8 MP with autofocus

Battery: 1640 mAh, Li-ion Battery

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.
Press the Remove button in the menu that appears on the PC screen.
The removal of the phone screen lock will begin. Confirm the deletion, 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)

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.
Select Recovery using volume up/down buttons to navigate through the menu and confirm selection by pressing the power button.
Using the volume up/down buttons to navigate through the menu options, select Wipe data/factory reset. and press 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 left, the phone will report this and open the menu with power settings, that is, it will unlock the phone.
You need to open security settings and disable phone lock.

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

Turn off your smartphone and remove the memory card from it.
Transfer the Aroma File Manager program using a computer to the phone's memory card. Insert the memory card back into the phone.
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.
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)
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.