When recovery does not work
Dall 'iPhone 8 iPhone 8 Plus X and iPhone, and iPhone XS, XS Max XR and iPhone, Apple has made changes to the way to force a reboot on their smartphones, and also for the manner in which the devices are put into DFU mode.
A forced reboot of the terminal can be used in the case where an iPhone is locked, errors, or does not respond in any way. On the other hand, the DFU mode allows to restore an iPhone in the case where the restart or the Recovery Mode series fails to solve the problem:
1-Connect the iPhone to iTunes
2-Press and release the Volume up
3-Press and release the button down Volume
4-Press the Power button until the screen does not turn black and drop
5-Press and hold the power button and volume simultaneously pressed down for 5 seconds
6-Release the power button and continue holding the Volume down key
until iTunes will not detect the iPhone DFU mode
Even in Catania on DFU is at home