How can I check the battery level of a connected bluetooth device? The device shows the battery level on Android so I\'m assuming the device supports the GATT-based Battery Serv
In the bluez version you are using the Gatt attributes may be experimental.If so you need to enable the experimental characteristics by running the bluetoothd deamon by -E keyword
Like "/usr/libexec/bluetooth/bluetoothd -E"
this worked for me.