https://devzone.nordicsemi.com/f/nordic-q-a/25018/in-nrf51822-ble-android-unable-to-read-characteristics-after-reconnecting-android-version-7-0-and-7-1If the nrf51822 device goes out of range then comes back in range, the application automatically reconnects with the device and tries to read a particular characteristic. This works fine on Android 5 and Android 6, however on Android 7.0 and 7.1, theen-USTelligent Community 13Fri, 08 Sep 2017 10:27:14 GMThttps://devzone.nordicsemi.com/thread/98530?ContentTypeID=1Fri, 08 Sep 2017 10:27:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:50389735-94e1-457d-a7c2-29c3e27a8acaSigurd<p>Hi,</p> <p>What Android phone are you testing this on? Are you doing any bonding/paring ? What SDK version are you using? Do you get any error code when you try to read the characteristics?</p><div style="clear:both;"></div>