I Cannot connect to the Internet using a Sim Card. The tablet accepts the card and registers it with the GSM service provider (under tools - data - more - choose network operator). The card works - it is used here on a PC to post this question.
I have set the data connection on and the provider appears under APN (whatever that is). The bars in the bottom right corner indicate good connection (3/4 are lit) but the text next to the bars says "no connection".
I also tried with roaming (whatever that is) on without result.
What needs to be done?