iOS4 update - now iPhone now reboots during phone call

I think we are all in general agreement that this problem started after iOS4 was installed in certain 3GS iPhones, mostly those sold outside of the USA. It also seems that some of you, who have been able to visit a Genius Bar, have been able to get free replacements. For others, visiting a Genius Bar is inconvenient or cost prohibitive.

While looking for a solution to a MacBook issue, I found this website:

http://www.apple.com/legal/terms/iphonears/outofwarranty.html

Perhaps there is something there that will help you?

It seems that Apple might have a written policy that addresses this situation, depending in which country you are. On the right side of the page there are additional policies that might offer assistance in this situation.

Good Luck.

I have got the same problem over here, i took the following steps:

- Upgraded from 3.1.3 to IOS4
Got a 29 error, but fixed this with some magich (irecovery)
- After this i got a working copy of IOS4 on my phone, i restored my last backup.
- Phone suddenly crashes even in standby.
- Did a restore and made a new profile.
- Now the phone only crashes while calling.

I hope we are not the only one with this issue....

Same here, although this 32Gb 3GS has always been a bit flakey from new, rebooting spontaneously now and then.

I did a normal upgrade, then a full restore and still it reboots during calls.

I've a Genius appointment tomorrow, hopefully they can swap it out to solve it.

Seb

Me too. Had one 18 minute incoming call since upgrading today and one 7 minute incoming call - both OK. Then just now it rebooted in the middle of a call. If this happens again the phone has ceased to be fit for purpose.

Could it be related to memory usage with the new multi-tasking? It only happened to me later in the day - maybe the amount of available memory had dropped too low. Is there any (non-jailbroken) way to see how much memory is in use?

Mine can do it twice in a call and so the second time, having rebooted, with no apps on the device the memory should have cleared therefore I would imagine it's something in the hardware as it's also a minority of users it seems, some part marginally out of spec maybe.

Seb

Message was edited by: Ihavenoideas

Message was edited by: Ihavenoideas

I upgraded my Belgian Mobistar iPhone 3GS 32 MB from 3.1.3 to iOS4.
Got the same annoying crash when I am calling.
As a business owner I am not happy with this neither are the clients and prospects.
Calling Apple got me nowhere as I need to talk with the phone provider...
Calling Mobistar (and getting a crash every time they put me on hold or transfer me gets me in a vicious loop as I need to explain everything over and over as you get a different person at every call)
If this is the great OS Jobs talked about in his Keynote address... The medication he took for his disease not only made him lose a lot of weight but has affected his mind also...
It would better be called iCrash 4
Let's hope this doesn't take till September as been posted on other forums !!!

Hi,

just upgraded my 3GS yesterday and got the same reboot during a number of business calls. Did restore it to factory settings and WITHOUT restoring the backup. It didn't happen again since yesterday, hope this has solved it. Anybody else did this and got the same result ?

Thanks

Has anybody reported this to Apple to be fixed? I think it the most serious problem on the entire apple discussions. I tried to log it with apple this morning before starting this thread, but could not see where on the apple site to submit a support ticket.

Just in hoping this thread gets noticed: I have the same problem of the iPhone rebooting during phone calls. It does only happen after some minutes, but it doesn't happen all the time - I was unable so far to discover a pattern.
This is on a 3GS 32Gb, not jail-broken, flawless upgrade process, no restoring of backups or clean install.
Hope this gets resolved soon because, well, it's a phone after all and if there's one thing you'd want ot rely on...

I have the same problem with a 16GB model. The device reboots after about five minutes during a phone call. I did restore it to factory settings (without restoring the backup) but this didn't solve the problem.

Mine does the same - get about 9mins into a call and the phone reboots.

It's a standard unmodded 3GS 16Gb, flawless installation as a new phone. I have always put the new firmware as a factory install and added everything back on rather than restore from backup, never been an issue before.

I initially put iOS4 on as a new phone, and worked my way through re-syncing everything the hard way. Phone reboots during call.

I did a DFU restore as a new phone, no apps added (thought there may be an issue with one of them on a new OS), only contacts, calendars, podcasts and pics. Still crashes during a call.

Tried to downgrade to 3.1.3 - this errors during verification with Apples' servers - I think error was 3194, which I believe is signing issue.

I'm too late to get onto Applecare tonight, but I will in the morning. Has anyone contacted Applecare re: this issue?

I contacted Applecare yesterday in my country (Belgium).
They sent me to Mobistar (who has the exclusive distribution contract for Belgium) and there I get the message that they don't make and distribute the software, Apple does... (iTunes is a Apple, Not Mobistar channel for distributing software so they say at Mobistar iPhone support)
Getting the money for the phone is one thing but giving the right service is another thing...
If Apple doesn't want anything to do with it and directs everyone to the phone's network provider (who are not able to program, debug and distribute the software) we are in for a long, cold and wet trip...

3GS 16GB from Maxis(Malaysian Telco)
Never jailbroken.
Did an Update via iTunes 9.2 from ver 3.1.3.

Calls cannot last past 15mins or so.
Rebooted spontaneously twice yesterday when I was on calls longer than that.

at least one game felt visibly more sluggish. "Super KO Boxing".

Update - I got onto applecare support this morning and described the process I had been through over the past couple of evenings to try and fix the rebooting during a call.

The other option suggested (other that what I had tried anyway) was to remove the firmware file from the directory it resides on the my harddrive, reconnect the iPhone and get the firmware to download again from Apples' servers. Another way to this is to create a new user on the PC, connect to iTunes, getting the new firmware to download and restore, ultimately the same solution - redownload the firmware.

If this doesn't work then it's an appointment at an Applestore for a replacement handset or one by post.

I'll let you know how the redownload and restore of the firmware goes. Hope this helps.