Undetectable helps you to generate fully undetectable payload of metasploit which can bypass android inbuilt antivirus.

$ sudo apt install apktool zipalign apksigner -y

$ git clone https://github.com/kinghacker0/Undetectable

$ cd Undetectable

$ bash undetectable.sh

Now select your options.

$ apt install apksigner -y

$ bash Termux-install.sh

$ bash Termux-UD.sh

You can read guide article on your website and watch youtube video from the link given below