Device Guides

Samsung Galaxy S10 5G

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How to

Turn mobile phone on and off

Before you can turn on your mobile phone, you need to insert your SIM into your mobile phone.

List view

Turn on your mobile phone

Tap and hold On/Off until your mobile phone is turned on.

Enter PIN

If you're asked to key in your PIN, do so and tap OK. The default PIN is 0000.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting Customer Service. Please note: If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.

Turn off your mobile phone

Tap and hold On/Off.
Tap Power off.
Tap Power off.
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