Updated FAQ

FAQ.md

@@ -427,6 +427,9 @@ You should try to fix this by contacting your provider or by getting a valid sec
 because invalid security certificates are insecure and allow [man-in-the-middle attacks](https://en.wikipedia.org/wiki/Man-in-the-middle_attack).
 If money is an obstacle, you can get free security certificates from [Let’s Encrypt](https://letsencrypt.org).
 
+The quick, but unsafe solution (not advised), is to enable *Insecure connections* in the advanced identity settings
+(navigation menu, tap *Settings*, tap *Manual setup and more options*, tap *Identities*, tap the identity, tap *Advanced*).
+
 Alternatively, you can accept the fingerprint of invalid server certificates like this:
 
 1. Make sure you are using a trusted internet connection (no public Wi-Fi networks, etc)