daibutsuCFW

how to make custom firmware

./ipsw <input.ipsw> <target.ipsw> -daibutsu [-memory] [-bbupdate]

how to restore with custom firmware

For A5 devices, restore from kDFU mode or pwned DFU mode or pwned Recovery Mode.
For A6 devices, restore from pwned DFU mode or pwned Recovery Mode.

cmd

./idevicererestore -b -r <target.ipsw>

references

list of original keys in xpwn/ipsw-patch

key	type	description
hwmodel	String (ex. N42)	Used to move the jetsamproperties daemon (com.apple.jetsamproperties.XXX.plist) for iOS 8 untether, such as daibutsu.
needPref	Bool	Set SBShowNonDefaultSystemApps on SpringBoard. This is required to display the Non-Default apps on the home screen on some devices.
PackagePath	String	This is the path to reference when incorporating package such as cydia into CFW. The format of the file must be tape archive.
UntetherPath	String	This is the path to reference when incorporating untether package such as daibutsu into CFW. The format of the file must be tape archive.
RamdiskPackage	String	This is the path to reference when incorporating package into RestoreRamdisk. The format of the file must be tape archive.
RamdiskReboot	String	This is the path to refer to the file to replace the /sbin/reboot file on RestoreRamdisk. Replace the /sbin/reboot executable in RestoreRamdisk and perform any action after the restore.

list of flags and devices supported by haxx_overwrite (dyld haxx)

flag	device
-n94	iPhone 4S
-n42	iPhone 5 [iPhone5,2]
-n78	iPod touch 5th gen
-k93a	iPad 2 [iPad2,4]
-p105	iPad mini [iPad2,5]
-p106	iPad mini [iPad2,6]
-p107	iPad mini [iPad2,7]
-j1	iPad 3rd gen [iPad3,1]
-j2	iPad 3rd gen [iPad3,2]
-j2a	iPad 3rd gen [iPad3,3]