3/26/14 5:30 PM. Uploading phone numbers from your device to Google Contacts. On most Android devices, your contacts are automatically synced when you first turn on your phone and sign into a Google Account. So firstly, make sure to add your Google Account to your Android device.f not, then let's next make sure you have set to sync your Contacts to your Gmail account and not your phone 1  : Make sure that you have Gmail installed on your device. 2  Go to Settings, then go to âAccounts and Syncâ.
GATT. 1  GATT is an acronym for the Generic Attribute Profile, and it defines the way that two Bluetooth Low Energy devices transfer data back and forth using concepts called Services and Characteristics. 2  The following diagram should explain the way that Bluetooth Low Energy devices work in a connected environment.
Introduction. CC2650 from Texas Instruments is an amazing piece of hardware that enables communication over Bluetooth Low Energy (BLE) as a peripheral device to a central unit. The sensortag has a lot of services, and it would be great to be able to access them from anywhere in the world.ow lets continue with the gatttool to read and write data to the sensortag. To know what to read and write from the sensortag we need to take a look at the GATT services of the sensortag CC2650. Texas Instruments provides GATT-tables for all services.