My iphone 4s keeps coming up as unknown device since i upgraded to ios 7. it will not activate
ive got an iphone 4s which worked fine before i upgraded to ios 7. now it is stuck at the activation screen because it keeps telling me my device is unknown. i have tried activating it over wifi and through itunes but no luck, itunes tells me that there is a problem with the device and to contact a service centre. it has an active sim card in and all worked fine before, now i have a very expensive paperweight and im getting very annoyed. apple want £25 just to talk to me which i am not paying as i think its ridulous that i have to pay for thier **** up. does anyone have any adive or had this problem before?
Ok I just got pass the error CONNECT TO iTUNES and UNKNOWN DEVICE. I can not gurentee this will work for anyone else. This is what I did and it worked out:
CONNECT TO iTUNES error
1. I removed the sim card and put the device on charge for several hours, the display switch between the Apple logo and the connet to iTunes logo.
2. I launched iTunes and connect the device to the computer while the display was on the Apple Logo (not connet to iTunes logo).
3. I put the device in DFU while still on the Apple logo.
4. I forced a deliberate error while attempting to restore by selecting a older iOS firmware (iOS 6) and click restore (I got the error, maybe this step does nothing but things changed from here).
5.At this point the device remained in DFU mode and restored to the current iOS 7.0.4 firware.
UNKNOWN DEVICE error
6. After restore the device went into searching, at this point I put the the sim card into the phone
7. Select Language and Country, the device error Unknow Device (this might be as far as you can go).
8. I took the sim card out and let the phone rest. After an hour or so the device completed the search and read No Sim.
9. I put the sim card back into the phone and the phone activated.
I tried evething online and nothing worked. This is what worked for me. Hope this helps, good Luck!
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