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Samsung Galaxy Tab S4

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Android 8.1

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I can't start my tablet

This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.

Possible cause 1:

The lock code is turned on: Turn off the lock code.

List view

1. Find "Screen lock type"

Slide your finger downwards starting from the top of the screen.

Tap the settings icon.

Tap Lock screen.

Tap Screen lock type.

2. Create lock code using iris scanning

Tap Iris.

Tap CONTINUE.

Tap the required lock code and follow the instructions on the screen to create an additional lock code.

Tap CONTINUE.

Follow the instructions on the screen to create the lock code using iris scanning.

Tap the indicators next to the required settings.

Tap DONE.

3. Turn off use of lock code

Tap Screen lock type and key in the current lock code.

Tap None.

Tap REMOVE DATA.

Tap REMOVE.

4. Return to the home screen

Tap the Home key to return to the home screen.

Step 1 of 16

Slide your finger downwards starting from the top of the screen.

Step 2 of 16

Tap the settings icon.

Step 3 of 16

Tap Lock screen.

Step 4 of 16

Tap Screen lock type.

Step 5 of 16

Tap Iris.

Step 6 of 16

Tap CONTINUE.

Step 7 of 16

Tap the required lock code and follow the instructions on the screen to create an additional lock code.

Step 8 of 16

Tap CONTINUE.

Step 9 of 16

Follow the instructions on the screen to create the lock code using iris scanning.

Step 10 of 16

Tap the indicators next to the required settings.

Step 11 of 16

Tap DONE.

Step 12 of 16

Tap Screen lock type and key in the current lock code.

Step 13 of 16

Tap None.

Step 14 of 16

Tap REMOVE DATA.

Step 15 of 16

Tap REMOVE.

Step 16 of 16

Tap the Home key to return to the home screen.

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