IPhone – Prioritize iPhone when connecting August EP650 Bluetooth headphones

bluetoothheadphonesipadiphone

Both my iPhone (6S+) and iPad (Pro 9.7") have been paired with my Bluetooth headphones (August EP650). When I power on my headphones, they always connect to the iPad… despite last being connected to the iPhone.

The iPhone is my primary listening device, so it becomes quite annoying to constantly connect the headphones manually.

How can I prioritize the connection to my iPhone?

To be clear, I still use the headphones on the iPad… just not as often… so I'd rather not forget the headphones on the iPad or disable Bluetooth.

Best Answer

These model headphones support Multipoint functionality, meaning you can connect them to two devices at the same time.

Using multipoint

The procedure for using these headphones in multipoint mode is as follows:

Hold the + and - buttons to put the EP650 into pairing mode
Press the ▶ button to start multi-point pairing
Pair your headphones to your iPhone
Switch your headphones off
Press and hold the ▶ button until your headphones reenter pairing mode
Pair your headphones to your iPad
Use the Bluetooth menu on your iPhone to reconnect to your headphones

Now you can switch between your iPhone and iPad by pausing the music on the currently connected device to play music on the second device. In this way, both devices can be connected simultaneously.

NOTES:

Switching devices can take up to 10 seconds.
When receiving a call on the iPhone, your headphones will automatically pause and resume once the call is finished, even if you were using the iPad at the time.

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The app you are referring to has a manual process you can try, but it is not for the faint of heart: http://blog.ramondeklein.nl/?p=257

Howto disable A2DP on the iPhone

The interesting directory is /var/mobile/Library/Preferences, where the iPhone stores the BlueTooth settings. These settings are stored in the PLIST format, so you need a PLIST editor (Mac or PC) or you need to convert them by hand. Transfer the com.apple.MobileBluetooth.services.plist to your computer or you can use iFile to edit the file on your iPhone directly.

Open the com.apple.MobileBluetooth.services.plist in your PLIST editor and make sure you edit the A2DPService section and store the devices you don’t want to use A2DP in the UnauthorizeList (without the letter “d”). This dictionary will probably not exist yet, so you need to add it by hand. You need to know the MAC address, but it is probably listed already in this file.
<key>A2DPService</key>
<dict>
  <key>State</key>
  <true/>
  <key>UnauthorizeList</key>
  <dict>
    <key>00:10:60:D0:91:D0</key>        
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  </dict>
</dict>
Transfer the PLIST file back to your iPhone and reboot the device. Once it gets back on, then the A2DP service should be disabled.

IPhone – Pairing multiple iOS devices with one bluetooth keyboard

Whilst you can pair one master with many slaves, as far as I'm aware, you cannot connect one slave to many masters simultaneously.
You need to un-pair & re-pair each time.

There is a rather complex guide to piconet & scatternet technology at the Bluetooth Developer Portal

Bluetooth v4.0 spec distinctly says it cannot be done, however v4.1 says it can - so it may depend on which version is used in the device.
http://9to5mac.com/2013/12/05/bluetooth-4-1-will-bring-more-reliable-automatic-connections-multiple-roles-more-via-software-update/

Best Answer

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