Run these commands in order in TTY or Terminal.
wget -qO - https://assets.checkra.in/debian/archive.key | sudo apt-key add -
echo "deb https://assets.checkra.in/debian /" | sudo tee -a /etc/apt/sources.list.d/checkra1n.list && sudo apt update
sudo apt install checkra1n
I am unable to install checkra1n, see below errors and please help if you can
sudo apt install checkra1n
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
checkra1n : Depends: libncurses5 (>= 6.0) but it is not installable
Depends: libgdk-pixbuf2.0-0 (>= 2.30.0) but it is not going to be installed
Depends: libplist3 (>= 2.2.0) but it is not going to be installed
Depends: libirecovery-1.0-3 (>= 1.0.0) but it is not going to be installed
Depends: libtvcontrol0 (>= 0.0.1) but it is not going to be installed
libncursesw5 : Depends: libtinfo5 (= 6.4-4) but it is not installable
thank you