How to enter Apple iPhone 4S Recovery Mode ( DFU Mode ), Hard reset / Wipe.
Recovery Mode / DFU Mode Apple iPhone 4S
- Turn off the device
- Connect the Device to the Computer
- Press and hold Home key + Power Key about 10 – 15 seconds
- Keep pressing Home key and Release Power key
- Release Home key when you see itunes dialog box “iTunes has detected and iPhone in recovery mode. you must restore this iPhone before it can be used with iTunes”
- Now the Device in Recovery Mode