How to Unlock Sony Xperia Tablet Z When I Forget My PIN, Password, and Screen Pattern Lock

The Sony Xperia Tablet Z is a popular and versatile device that offers a range of features and functionalities. However, there may be instances where you forget your PIN, password, or screen pattern lock, preventing you from accessing your tablet. In this article, we will explore various methods to help you unlock your Sony Xperia Tablet Z and regain access to your device.

I. Resetting the Tablet Using Google Account:

If you have associated your Sony Xperia Tablet Z with a Google account, you can utilize this method to regain access.

  1. Attempt the Unlock Pattern Several Times:
    On the lock screen, try entering the incorrect pattern multiple times until you see a message stating, “Forgot Pattern.”
  2. Select the “Forgot Pattern” Option:
    Tap on the “Forgot Pattern” option, which will redirect you to the Google account login page.
  3. Provide Google Account Credentials:
    Enter the Google account username and password associated with the tablet. This information must be the same as the one used on the device.
  4. Resetting the Screen Lock:
    After successful authentication, follow the on-screen prompts to create a new unlock pattern, PIN, or password, effectively resetting the screen lock on your Sony Xperia Tablet Z.

II. Unlocking the Tablet with Android Device Manager:

Another method to unlock your tablet involves using the Android Device Manager service provided by Google.

  1. Access the Android Device Manager Website:
    Using a computer or another mobile device, visit the Android Device Manager website ( and log in with your Google account credentials.
  2. Locate the Xperia Tablet Z:
    Once logged in, the Android Device Manager will attempt to locate your Sony Xperia Tablet Z. It may take a few moments for the device to appear on the map.
  3. Select the “Lock” Option:
    After locating the device, click on the “Lock” option. You will be prompted to enter a new temporary password.
  4. Enter a Temporary Password on the Tablet:
    Enter the temporary password you just created into your Sony Xperia Tablet Z’s lock screen.
  5. Resetting the PIN, Password, or Screen Pattern Lock:
    Once you have successfully entered the temporary password, go to the tablet’s settings and navigate to the security options to reset your PIN, password, or screen pattern lock.

III. Utilizing Factory Reset (Hard Reset):

Performing a factory reset erases all data on your Sony Xperia Tablet Z, including the lock screen settings. This method should only be used when all other options fail, as it will result in data loss.

  1. Power Off the Tablet:
    Turn off your Sony Xperia Tablet Z by pressing and holding the power button until the power options appear. Then select “Power off.”
  2. Enter the Recovery Mode:
    Press and hold the volume up button while connecting the tablet to a computer using a USB cable. This will boot the device into recovery mode.
  3. Navigate Through the Recovery Mode Menu:
    Use the volume buttons to navigate through the recovery mode menu and find the “Factory Reset” or “Wipe Data/Factory Reset” option. Use the power button to select it.
  4. Perform a Factory Reset:
    Confirm the action and wait for the factory reset process to complete. This will erase all data on your tablet, including the lock screen settings.
  5. Reboot the Tablet:
    Once the factory reset is complete, select the “Reboot System Now” option from the recovery mode menu. Your Sony Xperia Tablet Z will restart with all settings restored to their default state.

IV. Contacting Sony Support for Assistance:

If none of the above methods work or if you need further guidance, it is advisable to seek assistance from Sony’s official support channels.

  1. Exploring Sony’s Support Options:
    Visit the Sony support website and explore the available resources, such as FAQs, user manuals, and troubleshooting guides related to unlocking your specific Xperia Tablet Z model.
  2. Contact Sony Customer Service:
    If you cannot find a solution or need personalized assistance, contact Sony customer service via phone, email, or live chat. Provide them with the necessary information, and they will guide you through the unlocking process.

Precautions and Tips:

To avoid future lockouts, consider the following precautions and tips:

  1. Create a Backup of Important Data Regularly:
    Regularly back up your tablet’s data to prevent loss in case of unexpected situations or lockouts necessitating a factory reset.
  2. Keep Track of PIN, Password, or Screen Pattern Lock:
    Make a note of your lock screen credentials and store them securely. Avoid using easily guessable patterns or passwords.
  3. Set Up Alternative Unlocking Methods:
    Consider setting up alternative unlocking methods, such as fingerprint recognition or facial recognition, if your device supports them. These options provide additional convenience and security.
  4. Avoid Third-Party Unlocking Tools:
    Avoid using unauthorized third-party unlocking tools or services, as they may compromise your device’s security and could potentially damage it.


Forgetting the PIN, password, or screen pattern lock on your Sony Xperia Tablet Z can be frustrating. However, by utilizing methods such as resetting via Google account, using Android Device Manager, performing a factory reset, and seeking support from Sony, you can regain access to your device. Remember to take precautions and keep track of your unlocking credentials to avoid future lockouts.

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