Termux stopped supporting Android 5.xx/6.xx

Termux — free terminal emulator and Linux environment for the platform Android.

From version Termux v0.76 is required for the application to work Android 7.xx and up.

• Download Termux for Android 7.xx and higher (F-Droid)
• Download Termux for 5.xx/6.xx (F-Droid Archive)

As it was declared earlier, since January 1, 2020, support for package repositories for platforms has also been discontinued Android 5.xx/6.xx

Package base dump (as of December 24, 2019) for Android 5.xx/6.xx posted on the website for archiving purposes Internet Archive.

• Repositories dump (Internet Archive)

Source: linux.org.ru