iTunes think my iPhone is a new phone

[Nht]

Plugged in my jailbroken and unlocked iPhone 3gs today to sync some music and got a pop up saying "this is not a valid At&t sim" or something of that nature. I don't remember exactly what it said but it iTunes told me to replace with a valid sim to continue.

I haven't made any changes to my phone that I know of so I'm clueless of what to do. Should I just replace my tmobile sim with the AT&T sim that came with the retail box and sync? Would I lose my jailbreak and unlock and apps? Thanks in advance for any help that you can provide.

 

[AKCHRIS93]

Try Rebooting your Iphone.

 

[bullitt3246]

I keep hearing this alot, Maybe itunes has figured something out to not read tmobile SIMs.. you didnt update? Your phone still work with the TM SIM?

 

[Nht]

Yes. I have tried rebooting but it didn't fix the problem. I even tried rebooting my pc and iTunes but to no avail. I'm still on 3.01 as I have made sure that I didn't inadvertantly upgrade. It just happened today with no cause. I haven't done anything different or made any changes at all.

Do you think if I pop in my blank AT&T sim that came with the box and resync would I lose everything including jailbreak and apps?

The thing is, my phone and SMS still works flawlessly. It's only when I plugged my phone in to sync some contents it said that my sim is not supported.

 

[bullitt3246]

That is weird, try the ATT sim to see if you can sync...

 

[mrceo]

I have an iphone with an chinese operating system... therefore it doesn't respond to itunes at all... all it does is start up as a disk drive... is there anyway that i can put a apple os on my phone.

 

[bullitt3246]

I have an iphone with an chinese operating system... therefore it doesn't respond to itunes at all... all it does is start up as a disk drive... is there anyway that i can put a apple os on my phone.

try starting your own thread for your own issue. This thread is for the guy that posted it, even though you 2 seem to have similar problems

 

[Nht]

Nope. Not similar problems. Mine is a legitimate iPhone 3gs. However problem has been resolved. I tried syncing with AT&T sim last night and I was able to sync with no problem. This guy has an iPhone knockoff and wants to put a genuine iPhone OS into it.