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Unlock your Redmi K40S


 Specification Redmi K40S 
 Root Redmi K40S 
 Firmware Redmi K40S 
 Developer Mode Redmi K40S 
 Bypass Lock Screen Redmi K40S 
 Redmi K40S Factory Reset 
 Secret codes Redmi K40S 
 Screenshot Redmi K40S 

Redmi K40S


OS: Android 12

CPU: Qualcomm Snapdragon 870 5G - 7 nm , octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
RAM: 6GB / 8GB / 12GB
Display: 6.67 inches
Camera: Triple: 48 MP, f/1.8, (wide), 1/2", 0.8?µm, PDAF, OIS, 8 MP, 119?? (ultrawide), 2 MP, f/2.4, (macro), HDR, panorama
Battery: 4500mAh Li-Po, 67W fast charging, PD 3.0, QC 3


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.
  • A menu will open on the PC screen, press Remove.
  • fter verifying the data, the removal of the smartphone screen lock will begin. Confirm the deletion, click OK.
  • Wait until the end of the operation, and put the phone into recovery mode.
  • Click the Next button and follow the instructions on the screen. 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 buttons to navigate through the menu and confirm selection by pressing the power button.
  • Select Wipe data/factory reset. by using the volume up/down buttons to move through the menu and confirm the 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 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 button combinations that are suitable for your particular 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.
  • You need to find the /data/system folder 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 device.


5. Restore access to your smartphone using your Google Account.
  • When you try to unlock the phone several times, Forgot password? will appear on the screen. Click on it.
  • Choose to regain access by entering your Google Account login password.
  • Delete in the lock screen 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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