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iPhone 4S hates my car

mentaluproar

mentaluproar

macrumors 68000
Original poster
May 25, 2010
1,807
261
Ohio, USA
I have a Pioneer FH-P8000BT in my car, which worked just fine with my old cheap feature phones and my old iPod touch, but the bluetooth function is unreliable with my iPhone. I can get it to connect and transfer the phone book just fine, I can start a call, answer a call, and siri sometimes understands me. The issue is sustaining a call.

The conversation starts to break up, as if I am loosing a signal, but when I change over to using the phone without bluetooth, it's just fine. This happens with and without the USB connection to the stereo.

I exchanged the phone and have the same problem. I can't figure out why I can get cheap phones to work just fine, but my iPhone goes nuts when using bluetooth in the car.

I tried using an old plantronics earpiece with the phone for comparison. Surprise, that works just fine, and siri understands me even better. I'm stumped and don't buy that it's the stereo because, as I have said, it worked perfectly with crap phones.

Any ideas? :(
 
Since the stereo appears to be at least a year or two old going by my search, it is entirely possible that the 4S is just not going to work with this stereos BT.

Do you have the owners manual? It should state what FW version was required at the time this stereo was released and what phones were compatible.

I have a DEH-6400BT bought just a few months ago that works with my 3GS and 4S. The FW version the manual states for the 4S must be at least 5.0 and my phones are at 5.1.1 and work fine with BT.

USB connection won't make a difference when using BT.

Read this from the Apple forums:
https://discussions.apple.com/thread/2508015?start=15&tstart=0

Get a new stereo. Mine was $139 at Cructhfield and including everything needed for me to install myself for free.
 
Last edited:
Why don't u want to believe its the radio? Because it probably is. The common denominator with all of your testing is that ur using items with older BT technology. It most likely works perfect because the radio is a few years old as well. And since you've tried 2 different 4S's both with the same problems, I'd conclude that the BT in the 4S is not compatible with the 2+ y/o head unit. I'd get a new radio and check the BT compatibility with the 4S. I'm willing to bet the problem would be solved.
 
Is this info useful?
 

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mentaluproar said:
I have a Pioneer FH-P8000BT in my car, which worked just fine with my old cheap feature phones and my old iPod touch, but the bluetooth function is unreliable with my iPhone. I can get it to connect and transfer the phone book just fine, I can start a call, answer a call, and siri sometimes understands me. The issue is sustaining a call.

The conversation starts to break up, as if I am loosing a signal, but when I change over to using the phone without bluetooth, it's just fine. This happens with and without the USB connection to the stereo.

I exchanged the phone and have the same problem. I can't figure out why I can get cheap phones to work just fine, but my iPhone goes nuts when using bluetooth in the car.

I tried using an old plantronics earpiece with the phone for comparison. Surprise, that works just fine, and siri understands me even better. I'm stumped and don't buy that it's the stereo because, as I have said, it worked perfectly with crap phones.

Any ideas? :(
Click to expand...

i had some problems, i updated my firmware and all was well
 
Wirelessly posted

mentaluproar said:
They have a firmware update for this radio?! How did you get it?
Click to expand...

I have a jvc but I just searched google/the website and found mine had one. Maybe you're does too. Or try calling company. Explain the feature is crucial, maybe they'll let you exchange or pay difference for one that will work for what you want it to
 
I'd like to amend my original post about my earpiece working fine. it works if my phone is on the same side of my body as the earpiece, and out of my pocket. Bluetooth is useless on this thing.
 
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