Hi,
Our mobile app which connects to shaver ( BLE enabled), doesn’t work on some of the Samsung devices after updating to Andriod 10. The connection ( first time connection and second time onwards ) was working fine earlier when the same devices were on Android 9.
Some of the devices Devices we tested : Samsung Note 1 0, Samsung S9, Samsung M31.
Scenario : First time connection works fine, but second time onwards connection is NOT working if we switch OFF and ON in between.
Work Around: The connection gets succeeded if the mobile phone goes for a restart or Flight mode ON/OFF toggle happens. Then connection gets succeeded after that.
What has changed from Android 9 to Android 10 ? What is the reason for this behaviour ? how this issue can be solved ?
More details:
Looks like BLE pending change indication is causing the problem when ever there is a Bluetooth Switch OFF happens , which is preventing further connection success. Because of this pending change indication the connection request returns Gatt-22 error.
Regards,
Ajith
Hi Team,
Any further update on this issue ?
Regards,
Ajith
Hi,
It seems the issue should be analyzed deeply to find out the actual reason behind this. You can report the issue officially to the Samsung with below details:
- Clear reproduction route
- Dumpstate log
- Demo Video
- Expected Result
To get dumpstate log please follow the below steps:
a) Immediately after issue reproduction, dial *#9900# and if the Debug Level is Disabled/LOW, tap to select MID. This restarts the device.
b) Again dial *#9900# and press “RUN DUMPSTATE/LOGCAT/”
c) When it is finished press “COPY TO SDCARD(INCLUDE CP RAMDUMP)
d) In the main folder of the device file system, there will be a new folder called “log”. The log file should be there.
Here is the link., report here.
Thanks!
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