Recovery Mode

Recovery Mode is a failsafe in iBoot that is used to reflash the device with a new OS, whether the currently installed one is somehow damaged or the device is undergoing an upgrade via iTunes.

Information about Recovery Mode's protocols is available.

Automatic Method
Call the AMDeviceEnterRecovery function in MobileDevice Framework

Manual Method

 * 1) Connect the device to the Computer
 * 2) Make sure iPhone is in the homescreen
 * 3) Hold The Home Button and The Power Button till Connect To iTunes logo is seen
 * 4) Ignore the Slide To Power Off message

or
 * 1) Turn off the device.
 * 2) Press and hold the home button
 * 3) Connect the device with iTunes
 * 4) Wait until you see the iTunes logo on the iPhone

Automatic Method
Call the AMRecoveryDeviceSetAutoBoot & AMRecoveryDeviceReboot functions in the MobileDevice Framework or send the following commands to the iPhone using a terminal

> setenv auto-boot true > saveenv > reboot

Manual Method
Hold the Home button + Power Button till the Apple Logo Appears

Recovery Mode output to the computer
iProduct: "Apple Mobile Device (Recovery Mode)" iSerialNumber: "CPID:XXXX CPRV:15 CPFM:03 SCEP:03 BDID:00 ECID:XXXXXXXXXXXXXXXX IBFL:01 SRNM:[XXXXXXXXXXX] IMEI:[XXXXXXXXXXXXXXX]"