Personal Home Support Centre Device Guides Samsung Galaxy Tab S4 Basic functions I can't start my tablet

Samsung Galaxy Tab S4

Android 8.1
Back to section Basic functions

I can't start my tablet

The lock code is turned on

Turn use of lock code on or off

Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Lock screen.
Press Screen lock type.
Press Iris.
Press CONTINUE.
Press the required lock code and follow the instructions on the screen to create an additional lock code.
Press CONTINUE.
Follow the instructions on the screen to create the lock code using iris scanning.
Press the indicators next to the required settings.
Press DONE.
Press Screen lock type and key in the current lock code.
Press None.
Press REMOVE DATA.
Press REMOVE.
Press the Home key to return to the home screen.
  • 1
    Find "Screen lock type"
    • Slide your finger downwards starting from the top of the screen.
    • Press the settings icon.
    • Press Lock screen.
    • Press Screen lock type.
  • 2
    Create lock code using iris scanning
    • Press Iris.
    • Press CONTINUE.
    • Press the required lock code and follow the instructions on the screen to create an additional lock code.
    • Press CONTINUE.
    • Follow the instructions on the screen to create the lock code using iris scanning.
    • Press the indicators next to the required settings.
    • Press DONE.
  • 3
    Turn off use of lock code
    • Press Screen lock type and key in the current lock code.
    • Press None.
    • Press REMOVE DATA.
    • Press REMOVE.
  • 4
    Return to the home screen
    • Press the Home key to return to the home screen.

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Your tablet is locked to Telstra
The SIM is faulty
Your SIM has been permanently blocked
The entered PIN is incorrect
Your tablet is network locked to another operator
You're asked to key in the PUK

Can you turn on your tablet?

It's important to find out if you can turn on your tablet. If you can't turn on your tablet, you need to solve this problem first. When the problem is solved, you will most likely also be able to start your tablet.

No