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I would like to decrease the power consumption of the BLE device. When I connect BLE device to PC, then the power consumption drops, because the PC application accepts the suggested connection parameters (suggested by the BLE device). When I connect the same device to the Android phone the power consumption is quite high.

When I was playing around with the connection parameters I saw that the power consumption is directly related with the BLE connection settings.

Because of that I would like to know how I can change the BLE connection setting in my Android application.

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You can use https://developer.android.com/reference/android/bluetooth/BluetoothGatt.html#requestConnectionPriority(int) and choose between three different settings. If you want another setting you will have to initiate the connection parameters update from the slave side.

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  • Thank you for the hint. Not working. I also edited connection settings from the slave and they are not used.
    – Ivan
    Commented May 13, 2017 at 22:50
  • What do you mean with "not working"? Both suggestions surely works... Have you looked at the hci snoop log or a sniffer trace?
    – Emil
    Commented May 13, 2017 at 23:23

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