Can I Downgrade to Bluetooth V2.1? - HTC EVO 3D

as the subject says, i'm wanting to downgrade to improve the functionality of my cars BT system. I have 3.0 and when i use my old Droid 1 or girlfriends EVO 4G (version 2.1) it works flawlessly.
Can I flash an older BT only?

bluetooth 2.1 / 3.0 is a hardware standard, not a software one

thanks for the quick reply

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Wii controller for Samsung Galaxy s

I downloaded the Wii controller app on the market, but it gives me the message. Error! your device does't support bluetooth!
has anybody else got the wii mote to connect to there device for gaming.
i got an ass of emulators, roms, and isos so i need a decent input method
From what I understand, the bluetooth stack in samsung's version of Android isn't properly implemented or is missing features of version 2.2 etc. In effect, keyboards,mice, bluetooth controllers wont work until an updated bt stack is hacked into the roms. More than likely will be implemented in CM6 methinks. Cant wait!
Thanks for the explanation. 2.2 on galaxy s is gonna be very nice.
Sent from my SGH-T959 using XDA App
the problem is most likely that the program is designed for bluetooth 2.1 and we have bluetooth 3.0 so there is a compatability issue there. when they update the program to the newest bluetooth version, it should work again
Good to know. I sure hope that is the only issue plaguing the software. Not really wanting to deal with old bt stack ala HTC with Sense.
Any update, I'm using darky 10.2 but still doesn't seem to work (the app seems to stop when it detects the phone type, rather than any specific error)
Read the previous posts, it doesn't work on Samsung roms, aosp (cyanogen) roms do support it though.
I wish it worked too...
What about ICS?
Sent from my Vibrant

[Q] [Android 2.X] Bluettoth & AVRCP 1.4

Hi,
I own a Sony MW600 that I used to connect to a SonyEricsson Android 1.6. recently I upgraded to the HTC Desire Z (A2.2) and what a surprise to realize that even if some information are sent the name of the caller or the title of the song played are not sent to the receiver.
It seems this problem is due to the fact that Google downgraded the version of the AVRCP in 2.X to 1.0 while it was 1.3 in A1.6
Is there a way to create a custom ROM or include in the CM Roms the latest version of the AVRCP libraries to allow full data exchange between bluetooth devices (like a remote, a watch, a car stereo...)
Thanks!
C.
+1 for this thread
Threadstarter,
The issue was that android didn't support avrcp 1.x
The question I have is does ICS support AVRCP 1.4
Hello @ all
I have the same Headset for my rooted LG O3D (off 2.3.5/EU).
Does anyone has an idea how to install the newer AVRCP version?
Or is there any possibility to export it from CM7?
Greetings

[Q] is there a rom with avrcp 1.3 supported?

So I am running cleanrom 1.7 on the rezound and i have a jvc kw-xr810 car stereo. Now the question is to display the audio via Bluetooth on my jvc unit from my rezound, I need the rom to support avrcp 1.3. I understand cm7/9 have this included, which indeed works, because my touchpad with cm9 works great with it! So is there a solution to this?

[Q] Hands-Free Profile 1.5

Hello, I would like to know if it is possible to implement a Hands-Free Profile 1.5 on my mobile phone LG Optimus G which is using android 4.1.2, since I own a bluetooth handsfree kit Nokia CK-15W and it only works on 1.5 profile, came not implemented in this version of android.
In my previous handset a motorola defy (android 2.3.7) I plugged in the kit without problems ...
Is there any apk that implements this profile?
Thanks.

Do any Roms support BLE (Bluetooth Low Energy)?

Hopefully this is a simple yes it will or no it won't do it type of question
I want to make use of my Touchpad in my Camper Van specifically to connect it to a couple of battery monitors via Bluetooth e.g. to a Ctek 'battery sense' monitor
I think the monitors use Bluetooth Low Energy (BLE)
To date I have not had any success I have tried Nougat and Oreo they connect fine via Bluetooth to my phone so I know 'proper' bluetooth works' but not to these two BLE devices
I have not tried KitKat yet
Should it work if so which rom should I try?
Thanks
alexank said:
Hopefully this is a simple yes it will or no it won't do it type of question
I want to make use of my Touchpad in my Camper Van specifically to connect it to a couple of battery monitors via Bluetooth e.g. to a Ctek 'battery sense' monitor
I think the monitors use Bluetooth Low Energy (BLE)
To date I have not had any success I have tried Nougat and Oreo they connect fine via Bluetooth to my phone so I know 'proper' bluetooth works' but not to these two BLE devices
I have not tried KitKat yet
Should it work if so which rom should I try?
Thanks
Click to expand...
Click to collapse
In my opinion this is not a question of the ROMs available for the HP Touchpad (at least not only). The main thing is, that the HP Touchpad is from 2011 and it's bluetooth specification is BT 2.1. That means, it supports bluetooth EDR in the best case, but no BLE because for bluetooth BLE you need newer chipsets. Bluetooth BLE have versions of 4.x, not 2.x.

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