This happens because the firmware installation process is not perfect, it is usually the restore process stops in the middle of the road, and the iPhone can not connect to iTunes or to your PC since the iPhone does not have the firmware installed in it.
Cause:
• File corrupted firmware, not perfect when you download the firmware file.
• File the firmware is not compatible with your iPhone
• Connections are not good between iPhone and PC / notebook (usually occurs because the data cable is not original, or the USB port is loose so disconnected occurred between iPhone and PC / notebook at the time of the restore process is running.
• Off lights
Solutions and handling
• Download the file that is compatible, and make sure you do not corrupt the firmware file (firmware files with the extensions. Ipsw + / - 200MB
• Make sure that your iPhone is connected properly and use a data cable original apple)
• Do not use the iPhone at the time of the restore process runs (fear can interfere with the smoothness of the restore process).
• To avoid the failure of the restore, it is recommended to use a notebook with a full battery
execution
• enter into DFU or Recovery
• wait until connected with iTunes and run the restore process by pressing the Shift key on the keyboard and click restore
If anyone experienced similar problems with different devices (e.g. iPhone 2G, iPhone 3G or iPhone 3Gs SU) may be some different handling, good looking but to which reference is here to ensure that the way you used to deal with your iPhone is the proper way
Globe Phone
