How to make older #Android devices work with #Letsencrypt ROOT certificate - Server support blog
▻https://server-support.co/apple/software/how-to-make-older-android-devices-work-with-letsencrypt-root-certific
The most impacting technical event of the Internet was the expiration of the Letsencrypt DST Root certificate which brought a lot of grief to technical support people and owners of declared obsolete devices. Here is the lists of compatible and incompatible devices provided by Letsencrypt.
There is a way to make some of incompatible devices work, by manually installing ISRG Root X1 Letsencrypt certificate.
Ref ▻https://letsencrypt.org/2023/07/10/cross-sign-expiration
If you use Android 7.0 or earlier, you may need to take action to ensure you can still access websites secured by Let’s Encrypt certificates. We recommend installing and using Firefox Mobile, which uses its own trust store instead of the Android OS trust store, and therefore trusts ISRG Root X1.
Et hop, mon vieux bouzin de récup accède de nouveau aux sites dont le SSL est porté par LE :)