Maximum Number of Bluetooth Devices - OnePlus 6T Questions & Answers

Folks,
Is there anyway to change the maximum number of bluetooth devices? I read that if you're running Pie, 5 is the maximum. However, I don't have the option to change the number of devices beyond 2. I'm using a OnePlus 6T McLaren, running Pie, OxygenOS update 12.
Thanks,
Regina in Knoxville
Maximum Bluetooth Setting
https://drive.google.com/open?id=1lmfe-CCLsE-GwEawWpEFNj4dUqkC_eaf
Maximum Setting is 2
https://drive.google.com/open?id=1cF26dlx5pKsWtFMsEsRy6FNNLlUrdcb2

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Android 11 update causes Jeep's radio to reboot when OP8P is connected via Bluetooth

Hi, everyone. I've been using my 8 Pro without issue on my 2016 Jeep Grand Cherokee since I got it, but ever since I updated to Android 11 last week my radio system has been rebooting every 3 minutes on the dot if my phone is connected via Bluetooth. No phone call or music needs to be active, it just has to be connected. When I turn off Bluetooth and the phone is disconnected, no issues whatsoever. Has anyone experienced anything similar?
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EindhovenOne said:
Hi, everyone. I've been using my 8 Pro without issue on my 2016 Jeep Grand Cherokee since I got it, but ever since I updated to Android 11 last week my radio system has been rebooting every 3 minutes on the dot if my phone is connected via Bluetooth. No phone call or music needs to be active, it just has to be connected. When I turn off Bluetooth and the phone is disconnected, no issues whatsoever. Has anyone experienced anything similar?
Also, if I choose to downgrade, will it be an in-place downgrade and keep all of my settings and files, etc (just like the upgrade was) or will it wipe everything? I have no issue downgrading, I didn't dislike Android 10; I just want to make sure I won't have to setup everything from scratch.
Thanks for your time!
Click to expand...
Click to collapse
Can't comment on your Jeep, if it's Android Auto I'm advised that 11 works fine, however my centre clock mod does break the icons.
In regards to the downgrade.. no you will have to wipe, it's not possible to retain system data, I'm not sure about data but I would assume not.
Although I was able to upgrade to 11 from 10 without losing storage data, I don't believe it's possible in reverse, it also carries an inherent risk so be sure this is the right thing to do..
You will have to set up again.
In regards to your Jeep how are you connected?
Is it android auto? Or simply Bluetooth?
I would obtain another Android device also on Android 11 and see if it exhibits the same symptoms.
There are some Bluetooth options in developer options, they may be worth exploring.
If it's Android auto then I would make sure that android auto isn't being optimised for battery in settings
Settings /apps /android auto /battery /
Set to don't optimise.
Failing at 3 mins consistently is a telling symptom.
Hope this helps
dladz said:
Can't comment on your Jeep, if it's Android Auto I'm advised that 11 works fine, however my centre clock mod does break the icons.
In regards to the downgrade.. no you will have to wipe, it's not possible to retain system data, I'm not sure about data but I would assume not.
Although I was able to upgrade to 11 from 10 without losing storage data, I don't believe it's possible in reverse, it also carries an inherent risk so be sure this is the right thing to do..
You will have to set up again.
In regards to your Jeep how are you connected?
Is it android auto? Or simply Bluetooth?
I would obtain another Android device also on Android 11 and see if it exhibits the same symptoms.
There are some Bluetooth options in developer options, they may be worth exploring.
If it's Android auto then I would make sure that android auto isn't being optimised for battery in settings
Settings /apps /android auto /battery /
Set to don't optimise.
Failing at 3 mins consistently is a telling symptom.
Hope this helps
Click to expand...
Click to collapse
It's just a straight Bluetooth connection. I used with my old 1+6 (android 10) and always works great.
I have the same problem with my Jeep Renegade.
Also, when the phone is connected via bluetooth, the USB input doesn't work.
The system is "Uconnect 5.0 System"
I am having the same issue with my 2016 Jeep Renegade using Uconnect 5.0. My phone is a OP 8 Pro
Same here, 2016 renegade and OP 6T, head unit randomly restarts after Bluetooth connection is made.
I've turned of media sharing off on the phone as someone suggested as workaround.
Is there a solution?
thanks to @Shackleboyrusty
Like many here, the android 11 /oxygen 11 update to my 7T crashed my car's uconnect system. Here's a fix that worked for me:
1) Unlock developer mode: settings > about phone > repeatedly tap "build number" until it unlocks
2) Go back to settings, then system > developer options
3) Scroll down to "Bluetooth AVRCP Version" and change it to "AVRCP 1.3"
Alternate 2/3 - search settings for "Bluetooth AVRCP" and change to 1.3
That's it, good luck!

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