Device guides for

Samsung Galaxy S II

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Turning data roaming on my mobile phone on or off Sending pictures and video clips from my mobile phone Activating or deactivating data connections on my mobile phone List of display icons

Getting started

Basic functions

Calls and contacts

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Troubleshooting

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Turning my mobile phone on and off

Follow these easy instructions to turn your mobile phone on and off. Remember you need to insert your SIM into your mobile phone before you turn it on.