downr1n

downgrade tethered checkm8 idevices ios 14, 15.

Usage

Example: ./downr1n.sh --downgrade 14.3

--downgrade         downgrade tethered your device to ios 14,15.

--dfuhelper         A helper to help get A11 devices into DFU mode from recovery mode

--boot              this boot the device.

--fixBoot           that will boot the device using fsboot

--debug             Debug the script

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Dependencies

• A desactivated passcode on A10-A11
• unzip, python3
• Update or Install libimobiledevice-utils, libusbmuxd-tools
• A IPSW iOS 14-15
• a MACOS or LINUX, it's better that you use a mac it's more estable and faster

Warnings

• I am NOT responsible for any data loss. The user of this program accepts responsibility should something happen to their device. If your device is stuck in recovery, please run one of the following:
  • futurerestore --exit-recovery
  • irecovery -n

Credits

with love Edwin :)

thanks to

• Edwin owner :)

Other credits for tools and codes used in downr1n

• mineek because sunst0rm

• exploit for asrpatcher

• iSuns9

• Nathan for the ramdisk

• m1sta for pyimg4

• tihmstar for pzb/original iBoot64Patcher/original liboffsetfinder64/img4tool

• xerub for img4lib and restored_external in the ramdisk

• libimobiledevice for several tools used in this project (irecovery, ideviceenterrecovery etc), and nikias for keeping it up to date

• Ralp0045 amazing dtree_patcher and kernel64patcher ;)