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I got my JVC kd-a615 to work with my iPhone OS4 by following ulcer's directions above. The only difference being, I closed all my apps before rebooting. It seems to me, it could be the multitasking aspect of OS4 that is killing it, as once I killed all the apps it worked no problem.
1 - turned iphone off
2 - plugged into radio (engine running)
3 - iphone started by itself (the unit i have charges it also don't know if thats a factor)
4- Hard Booted Iphone, seems to be working ok
5- Don't know how relevant this is but i closed ALL apps! in order to do this double tap home button to bring up your multi tasking bar then hold an icon (as if you were editing/removing it) and the apps will get red minus signs to close them. (this will also save a ** OF A LOT of battery life!)
I have an iPhone 3GS that I use with my Pioneer AVH-3100DVD unit and when the 4.0.1 and the 4.0.2 os updates came out, the simple fix would be to restart the phone. Now with this 4.1 update, nothing will work. My music plays but it goes in and out and I keep getting error messages. I called pionner and they said its an issue with the update. I also called crutchfield and they also said it was the because of the update. Crutchfield even said that its useless to upgrade to a better in-dash unit because the issue will be the same. So overall, crutchfield stated that Apple needs to create a fix to resolve the issue.
strange thing is, I was playing around after it didn;t work anyymore, Iphone 3GS IOS 4.01 and an Alpine 103BT radio and found out that is you choose Iphone I get an error stating that the its not compatible but when I switch to AUX+ then it play at least the audio but I cannot control the Iphone but at least I have music
I have a JVC KD-A815 and an iPhone 4.
Previously with 4.0.x, audio worked great over the head unit when connected via the Dock Connector. Bluetooth was seamless, although there were the issues that iOS 4.1 rectified regarding the poor audio quality with Bluetooth.
Now with 4.1, if my phone is paired and I'm trying to listen to music over the Dock Connector, the Bluetooth side on the iPhone will just take over randomly and I'll have to switch back to using audio over the Dock Connector, which I shouldn't have to do, especially if I am driving.
For now, I've just disabled the Bluetooth pairing, as if I need to talk on the phone, I'll just do it after I'm at my destination.
I didn't notice the audio scratchiness unless my phone was paired over Bluetooth.
Personally, I think Apple fubar'd the Bluetooth functionality in order to compensate for the audio issues with 4.0x. I really think they need to add a setting in iOS that allows for setting the default audio output method when connected to a car head unit, especially since a lot of them now have both iPod/iPhone control and Bluetooth functionality.
Or if Apple felt like making their own car head units... but that's another story.
I have the SAME STEREO with the SAME ISSUES. by "the music cuts in and out" you mean that itll play for like 15 seconds, then pause for two or three and start up again right? its so annoying. im afraid ill have to use a usb harddrive from now on. the reason i bought the 3100 is for the SICK interface we have with an ipod..*****
I have an Pioneer AVH-P3100DVD and 3G i-pod touch 32G and it worked perfectly with the head unit until 4.1. It is ridiculous that Apple feels it can keep constantly "upgrading" the OS with no regard to bugs it creates with respect to interfacing with hardware (my Pioneer is just one year old). I will never trust another "upgrade" of the OS and clicking on that question in i-tunes that tells you a newer version is available and asks if you want to click and "upgrade" is now the worst decision I have made recently. What a joke. Apple, don't update software if you can't test it completely and work out all the bugs first. That is pretty low-rent Apple. You should be ashamed of yourselves.
Im running iOS4.1 and I have a Pioneer DEH-P7050BT stereo. Before upgrading to 4.0 everything worked, not sure if it worked on 4.0 as I never tried. I have to iPhone 4's with 4.1 and I get two different faults. One phone will connect via bluetooth for phone calls, but wont register at all for music. The other will do both, but both of them suffer from drop outs randomly.
I have a 2nd car with a Sony headunit, everything works fine in that.
Well the only temporary fix that I can use with my Pioneer AVH-3100DVD is to use an auxiliary cord to connect my iphone from the headphones port to my AUX port. It ***** because now I have to keep going into my phone to change music and the audio quality is not at its best because it sounds different when connected to the USB port with the cable that I use. Then again, it could just be me. Does anyone know if apple is going to fix this issue? Does anyone know if there is a way to contact apple instead of using the applecare or paying to talk to someone? This is a VERY BIG INCONVENIENCE to me and others who are having this same issue.
"(this will also save a ** OF A LOT of battery life!)"
No, it wont.
Thats why Apple took so long to design multi-tasking for the iPhone for the very reason apps wouldn't use up battery/resources like they do Blackberry/Android/Other applications.
Unless you are using a feature of an app (such as the music from iPod app) whilst doing something else that app is using no resources or battery.
If the app is simply waiting to be resumed its state is frozen in the iPhones memory so you can instantly restart it - this doesn't use any battery. If you open too many apps to save the state of memory the older apps will be removed first.
Unless the app is directly accessing one of the 7 multi-tasking API's its using no battery at all..in most cases the "multi-tasking dock" is simply a list of icons of programs you recently opened.
Cannot believe there are so many misconceptions and misunderstandings about the way this works considering Apple took so long to try and explain it...
I was also having this problem with my iphone 3gs. I called applecare and they set up an appointment with a "genius". I went to the apple store and he sent me an email of an article of how to restore my iphone and set it up as a new iphone. I guess i restored my iphone about 3 times, with the third time the music didn't skip or mute out.( I have a Pioneer avh p3100). I found out that there was a 4.2 beta release and I updated my iphone. So far it seems to have fixed the problem. If you have an apple developer account you can go to the site and download it, if not i'm sure there are other ways to obtain this beta version of 4.2.
I might as well chime in too.
Me: iPhone 3Gs (iOS 4.1) and Alpine iXA-W407 (firmware 251).
Bluetooth pairing from iXA-W407 <--> iPhone was fine before upgrading my iPhone to iOS 4.1. Now the two will not talk at all. The iPhone says its connected but the Alpine fails to agree. No audio at all passes from phone to radio.
I'm seriously thinking about downgrading phone to something older than 4.1.
I hope Apple fixes this with 4.2 but I'm not holding my breath.