[Q] Official Galaxy S II Car Dock / Holder USB to Car Stereo problem

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Hi all ,

I've just bought the official Samsung car holder / dock.
i1.expansys.com/img/b/217880/samsung-car-holder-for-galaxy-s-ii.jpg

It's well made and a perfect fit for the phone (without case) but I'm having problems connecting to my car stereo.

After a bit off fiddling with settings (turning on USB debugging) I can connect my GalaxyS2 directly to my Pioneer DEH-2300UB headunit with the USB cable.

GalaxyS2 then detects that it's connected by USB. Pulling down the notification bar and clicking the USB icon turns it on. It is then detected by the headunit like it would any USB mass storage device and plays MP3 files.

But if I connect the car holder to the headunit with the USB cable, then clip my GalaxyS2 into the car holder, the phone goes into car dock mode.
I can get out of car dock mode by pulling down the notifications bar and turning it off but I can't get the the phone into USB mass storage mode.

Any idea how I can get my GalaxyS2 to detect the USB connection and not the car dock?

how about turning USB debuggin on then connect into the dock and then turning it off?

Thanks, but nope that didnt work.

Can you post a picture or link to your car dock?

I'm a newb so can't post direct pics or links so you'll have to cut and paste the link below.

h t t p ://i1.expansys.com/img/b/217880/samsung-car-holder-for-galaxy-s-ii.jpg

Is there any setting you can adjust on your car stereo?

No settings on stereo. its an issue with the phone

Sent from my GT-I9100 using XDA App

Have you tried changing it from car dock to say sound station/dock?

You can turn the car dock off by pulling down the notification bar a clicking the car dock icon. Not sure if it will let the phone go into mass storge mode after that though.

Nope tried that as well