Device settings
Mobile internet
- Do I have to configure my device to surf the internet?
- How do I check my data usage?
- What is the difference between 2G, 3G, and 4G?
Calls
- How do I start or receive a second call?
- How do I forward a call?
- How do I block incoming calls?
- How do I hide my number from others?
- Do I have to configure my device to make a call?
Texting
- I have an iPhone and have to pay for text messages to international numbers that I don’t know. What should I do?
- What is text message spam? What should I do?
- Multiple text messages were charged at the same time. How is this possible?
- How do I know whether my text message was received?
- How do I block incoming text messages?
- Do I have to configure my device to be able to send text messages?