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Bluetooth instable connection (BV9900 Pro)

https://bbs.blackview.hk/viewtopic.php?f=300&t=542181

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Bluetooth instable connection (BV9900 Pro)

Posted: Sun Jan 10, 2021 6:21 pm
by Bakerloo
Hello!

I am using the BV9900Pro and am very happy with the overall phone, only there is one issue that comes up.
The bluetooth connection to a JBL speaker is lost after some minutes, most of the times it will reconnect after a while, sometimes it only helps if I turn off and on the Bluetooth on the phone.
I have the idea that there is some battery-saving on the background that causes the Bluetooth to stop.
I now have disabled Duraspeed in general and will see if that helps.
Does anyone know how to give Bluetooth all permissions and power? Maybe trough the developers menu? Or what might help here?
Thanks in advance!

Re: Bluetooth instable connection (BV9900 Pro)

Posted: Wed Sep 01, 2021 9:31 am
by Martin K
I had the same problem with my car handsfree connection and did not get help from Blackview. I tried all different things what they suggested but no any result. Almost 1 year passed and last week I started researching it again, where the problem could be. Nothing helped. As a last resort I did a phone back-up and hard reset to the factory settings (deleted all from the phone, I mean all), uploaded last ver. of android and after that everything seems to be working (at least for now). The back-up did not cover the account settlements and they all disappeared and had to be done again.
In short, I got it work that way..

Re: Bluetooth instable connection (BV9900 Pro)

Posted: Mon Sep 27, 2021 9:13 am
by blackview_admin
Martin K wrote:
I had the same problem with my car handsfree connection and did not get help from Blackview. I tried all different things what they suggested but no any result. Almost 1 year passed and last week I started researching it again, where the problem could be. Nothing helped. As a last resort I did a phone back-up and hard reset to the factory settings (deleted all from the phone, I mean all), uploaded last ver. of android and after that everything seems to be working (at least for now). The back-up did not cover the account settlements and they all disappeared and had to be done again.
In short, I got it work that way..

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