Please double check that the information you provided is true or not. I'm on the latest Android 10 version on my BV9900pro, and there is a duraspeed on it. You can run it with the following way: Settings / Apps & notications / search (upper right corner) / type duraspeed and tap on the appearing...

On Android 10 (maybe Android 9 is similar), Settings / Apps & notications / search (upper right corner) / type duraspeed and tap on the appearing green rocket icon / and tap 'Open' There isn't anything about Duraspeed in the settings menu. Only way I can find Duraspeed is when searching in the s...

lukas.07 wrote:

9900 pro updated to Android.10:
Camera is not start
Sensor fingerprint long response
what actions need to be taken?

Solution for the camera problem is switch off all permissions for the camera app at the Permission Manager. Launch the app and allow the necessary permissions again.