A10(X) Tethered downgrade using turdus merula on linux

README.md

A10(X) Tethered downgrade using turdus merula on linux

Needed Stuff

pc with linux (i used arch btw)
maybe usbmuxd
A10 device eg iphone 7

step 1 - downloading

download ipfw with version u want to install appledb.dev and turdus_merula_v1.0.1-1_linux.tar

step 2 - installing

• extract tar -xvf turdus_merula_v1.0.1-1_linux.tar
  
• now put device to DFU mode
  
• cd into dir and run sudo ./ra1n_libusb -ED if text apper u can continue
  
• now run sudo ./idevicerestore -o YOUR_DOWNLOADED_FILE.ipsw
  
• on this just hit 1
The following firmwares are currently being signed for iPhone9,3:
[1] 15.8.4 (build 19H390)
Select the firmware you want to use for the Baseband/SE/RestoreSEP:
  
• and on this type YES and enter
  ################################ [ WARNING ] #################################
# You are about to perform an *ERASE* restore. ALL DATA on the target device #
# will be IRREVERSIBLY DESTROYED. If you want to update your device without #
# erasing the user data, hit CTRL+C now and restart without -e or --erase #
# command line switch. #
# If you want to continue with the ERASE, please type YES and press ENTER. #
##############################################################################
> YES
  
• now ios will start installing

step 3 - booting

enter DFU mode and run sudo ./ra1n_libusb -t [iBoot.img4] -i [signed-SEP.img4] -p [target-SEP.im4p]

credits

sep.lol for turdus merula
u/DiodeInc thx for all commands, and using another sudo ./ra1n_libusb -ED is not needed (maybe just on arch)
Burhan Rana video guide u can use it