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- Why do VoIP calls not succeed over the 3G connection in my Series 40 devices?
- Which authentication protocol does Nokia Series 40 SIP VoIP support?
- How can I recover/reset/restore my phone software?
- I am getting an error message 'Cannot use folder' when I am trying to access my memory card in the mobile phone. What is wrong?
- How am I notified of new messages in Nokia Messaging 3.0 Chat when the application is in the background?