Turning silent mode on my mobile phone on or off
Turning use of phone lock code on my mobile phone on or off
Copying contacts between my SIM and my mobile phone
Saving my voicemail number
Writing and sending SMS
If roaming isn't included in your rate plan, you can't make calls when abroad.
Go to My Account and activate AutoRoam or Pay-As-U-Roam in your rate plan.
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