Retire the Android 4.2.2 device to an offline photo frame or MP3 player. Buy a used Android 10 phone for $30 instead. The cost of being hacked or losing your Telegram account (with years of chats) is far higher than replacing the hardware.

Use your phone’s browser to download the file from a trusted repository.

You cannot use Google Play. You must manually download and install the APK.

To utilize Telegram on Android 4.2.2, one must understand the distinction between the "current" version of an app and its "legacy" builds. Telegram, known for its commitment to broad accessibility, historically supported older Android

For Android 4.2.2, you should look for or earlier. This specific version was released around 2017 and is confirmed to support devices running Android 4.1 and up. 2. Enable "Unknown Sources"