Version ~upd~ - Messenger Ipa Old
Old Messenger IPAs often conflict with the Keychain data from the new version. You must uninstall the latest Messenger, then install the old one, and sometimes even reset your Keychain, which is a massive pain.
Anything below v50.0 (circa 2014) will not connect to Facebook's servers at all. The SSL certificates have expired. Messenger Ipa Old Version
Key constraints with old iOS app versions Old Messenger IPAs often conflict with the Keychain
Using old versions or third-party IPAs carries significant risks: then install the old one