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Aporte original por: vara prasad ,

Texto:

error 1 =bad com port,change usb port

Things to do:

Check your USB Cable and Port

Try a different computer.

Lets Fix Your Mac/PC

If you are able to restore on another computer, then try the following on your computer to fix the issue:

The first possibility could be that you used TinyUmbrella to save your SHSH blobs. If so, start TinyUmbrella again and go to “Advanced” tab and turn off/uncheck the “Set Hosts to Cydia on Exit”. It should modify the host file and allow iTunes to update.

Now Apply Changes and try a fresh restore.

If you still can’t restore iPhone on your Mac/PC, there could be a possibility that your USB ports are messed up.

i once also had this error with corrupted firmware

Estatus:

open