Do not download APKs from random pop-up websites. Use reputable archives like:

Download the APK, tap the notification, and press Install. The app will overwrite your existing Facebook Lite without deleting your data.

Even budget smartphones from 2022–2024 (running Android 8–12) cost under $80–100 USD. They run the latest Facebook Lite with full security.

Open m.facebook.com in Chrome or the default browser.