Service-Portal

The SMS center or also called "SMSC" ensures that an SMS finds its way from one mobile phone to another. Basically, it is a kind of router that de...

Your SIM card is locked with a PIN (personal identification number) so that an identification code is required to make phone calls and use mobile data. Thi...

If you want to make an anonymous call and do not want to leave your phone number, you can suppress your number. Android 10/11/12 1. Open the Telefon ...

Gesture navigation is a new feature that comes with the update to Android 10. On our devices the gesture navigation is configured, but it is possible to swi...