Your iPhone 5s or 6 is running a decade-old chip (A7 or A8). Facebook is a heavy app. Here is how to keep it usable:
Since this is an older hardware + older app combo, use these settings to keep Facebook running fast: Download Facebook Ios 12-5-7
While Apple released iOS 12.5.7 specifically to patch the actively exploited WebKit vulnerability (CVE-2022-42856), your OS is no longer receiving new feature updates. Your iPhone 5s or 6 is running a decade-old chip (A7 or A8)
Risks:
Recommendation: Only use Facebook for browsing. Do not shop through Facebook Shops, enter credit card info, or click on suspicious links. Use a modern browser like Chrome for iOS 12 (last updated in 2024) for sensitive logins instead of the app. Since this is an older hardware + older
Why it happens: The legacy app is trying to load a modern web view or ad framework that iOS 12.5.7 cannot parse. Fix: