This is a common error on legacy devices due to outdated SSL/TLS handshakes. Correcting the date and time settings (Settings > General > Date & Time) often resolves connectivity issues.

Because iOS 12.5.5 (released in September 2021) is a legacy version for older devices like the iPhone 5s, iPhone 6, and iPad Air 1, you cannot download the latest version of Chrome from the App Store. Compatibility Status

If the workaround above does not work, consider the following: