[Q] Bluetooth Mouse - Nexus 4 Q&A, Help & Troubleshooting

Hi all,
I have a Nexus 4 and a Nexus 7 (12) using Multirom to dual boot stock 4.3 and CM 10.2.2 (both devices have same build). The Nexus 4 also runs with franco/ziddey kernal for otg support.
I bought a Bluetooth mouse for my phone and it works on everything but >_<"
My laptop connects and runs the mouse no problem
My Nexus 7 runs it on both stock and CM no problem.
My Nexus 4 will connect to it but no cursor will appear!!! I love the mouse, don't think it's defective (but what do I know) and was wondering if there were any potential issues with my Nexus 4 that could be causing this malfunction.
I had a custom radio (I was having issues with Multirom) installed, so I reflashed to stock and reinstalled everything (without radio, assuming it was wiped with the rest of everything) but to no avail.
I also tried with phone disabled, and in airplane mode, but neither of those worked.
Has anyone else had this problem, or have any ideas on how it may be solved?

no helps me
Does anyone have a bluetooth mouse they have found to work on nexus 4?

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I have tried this with a couple of other phones that can send bluetooth files to the nexus 4 and it is the same every time. It can scan and detect the wifi however it will not connect to it.
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[Q] Multiple Bluetooth Device Issues

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Sent from my Nexus 7 using xda app-developers app

[Q] Nexus 4 - CM 10.1-20130621-NIGHTLY-mako

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I cannot find the "Performance" submenu in my settings after flashing cm-10.1-20130621-NIGHTLY-mako on my Nexus 4... Any help as to why I dont have that tab ??
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Do you have an idea how to Get miracast Running on this device ?? I had successfully connected only once to Sony KDL 42W804a TV. Then it just shows connecting but nothing more..
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[Q] Q: Why won't my rooted Nexus 7 recognize any universal bluetooth keyboard

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I would really like to use my tablet to take notes and have tried various bluetooth keyboards on my nexus 7 2012 (rooted) to no avail. I have searched threads but they all seem to slightly differ from the issue I'm having (e.g. some users were able to use their keyboards prior to updating to a new android version while my nexus had never recognized the bluetooth keyboards). The universal keyboard I now have is a ge brand. Anyway, if anyone can help I would greatly appreciate it.
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Nexus 4 + AppRadio as Dedicated Device

I've searched and searched and can't find out how to fix this problem...
I used to use a Samsung Galaxy Nexus as a dedicated device for my AppRadio 2 Headunit, and have recently wanted to step up to the Nexus 4 as my dedicated "AppRadio" device.
I used to have it so my Samsung Nexus would boot upon power detection, and shutdown w/ a tasker profile after power was no longer deteced. This worked great.
When I switched to a Nexus 4 and Slimport, I have no problem connecting to AppRadio if I unplug / replug the device. I'm trying to eliminate the need to do this.
So TL;DR...
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