Check sites like XDA Developers for a ROM that upgrades your device to Android 5.0 or 7.0+.

To run Termux on Android 4, you must use an archived, legacy version of the application. Furthermore, the default package repositories connected to these legacy versions are offline, meaning standard commands like pkg upgrade or apt update will fail out of the box. 2. Step-by-Step Installation Process

If you are determined to get a terminal environment on an Android 4 device, you generally have three options:

Remotely manage other servers from your old phone.

While Termux will not work on Android 4, you are not out of luck. The definitive answer from the Termux team is "no", and you should avoid untrustworthy third-party APKs that could harm your device. However, powerful and safe alternatives like offer a similar, if not superior, experience for running a Linux environment on your KitKat device.

: It remains an excellent way to practice basic commands like ls , cd , and mkdir .