iPhone 4 not recognized at all including DFU

[thomax00]

I think I've hit the impossible:

iPhone 4 on ipsw 4.1, JB & unlocked (1.59.00) cannot see it in Win XP or 7, iTunes, whether in normal mount or DFU. I am dumbfounded

Uninstalled/reinstalled iTunes to the latest & greatest; nothing

Windows won't react in any shape of form to the DFU; I back-tested Windows' reaction to DFU with an iPad and it does recognize the DFU but not my iPhone's.

I tried six different computers and four different iPhone cables; all I get is the charge to kick in when connected to the PC

But c'mon man how can the DFU not be recongnized under six different computers ?!?!?!?

The phone currently connects to my home's WiFi so I tried to WinSCP into it: actively rejected ("Server unexpectedly closed network connection"). iFunBox cannot see it either.

My iPhone 4 worked just fine (e.g., seen under iTunes, jailbroke the damn thing, etc.) and then all of a sudden I couldn't see it mounting under iTunes

I've already spent one week trying to figure this one out and I now turn to you ...

... uhm ... help ?!?

[moon#pie]

bad cable? try a mac?

[thomax00]

I have tried four different cables & six different computers: (DFU on) iPad works; iPhone ain't. Very tiny chance that none of the cables worked as expected.

Thanks 4 da reply though

[moon#pie]

You have access to a mac?

[thomax00]

Negative

[moon#pie]

Next step is try and use one. School lab? ex gf? new gf

[iYeow]

You must have a problem with your iphone dock connector if changing computers , cables don't work. Go visit a Genius Apple bar for a replacement.

[moon#pie]

^that was the next guess.

[i.Annie]

If you haven't tried recovery mode instead of DFU, then try it recovery usually never fails unless they guys above are correct that it's a hardware problem.

To set to recovery mode, while the phone is ON, hold home and power till screen goes black, when apple logo shows, release power and hold home until the iTunes+USB screen comes up. iTunes should detect it and allow restore. Be sure to run TinyUmbrella and click save SHSHs, then run TSS Server while restoring/upgrading to 4.2.1 (no 4.1 if you don't have SHSHs) to preserve your baseband.

[thomax00]

Thank you all for your suggestions.

It simply won't work: cables, MACs, PCs or SSH into it over WiFI (connection actively refused), etc.

I'm now ready to take it to Apple under the assumption that my doc connector is dead.

Now, Apple will definitely see my MP2 theme and my LockInfo stuff that is visible at screen lock stage both screaming JB'ed iPhone, sorry cannot service your request type of response.

Any suggestions?

I was thinking about putting it into DFU (play dead iPhone play dead) that way (IF THE CONNECTOR IS INDEED DEAD) they would have to think really hard about trying the 5-8 sec manual reboot simple b/c the phone just appears dead and since the dock connector is dead no further interaction will be possible.

I was also thinking about putting into RECOVERY but that is a much more straight forward "let's try the manual reboot" move on Apple's part b/c they won't get any kind of action from the connecting it to the computer.

Any other suggestions?