- Your HTC Desire 816 may need extra settings if you want to send SMS messages with your BASE SIM card. Follow the instructions below for setting up the BASE SMS center.
* Go to the Start screen.
* Choose the menu symbol.
* Choose the options symbol.
* Choose *Text messages (SMS)*.
* Choose *Service center*.
* Enter +32 486 0000 05 and choose *OK*.
* The SMS centre has been configured.
* Return to the Start screen.
- Start screen.
- This HTC Desire 816 can now be used for receiving and sending SMS in Belgium and abroad.