Press and hold the small power button on the left hand side for 2-3 seconds.

Select "Exit Kiosk" in the top right hand corner.
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Enter the PIN code '1234'
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Locate and open 'Settings'
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Scroll down until you locate 'Date & Time'

Disable 'Automatic date & time' (If enabled)

Disable 'Automatic time zone'

Check and correct the date (If required) under 'Set date'

Check and correct the time (If required) under 'Set time'

Check and correct 'Select time zone'(If required)