I’ve been using this app for many years to back up my SMS messages for easy searching as well as restoring. The authentication also finally broke this week on my phone but this workaround re-enabled it for me.
#SMSbackup+
#^SMS Backup+ is now broken due to Gmail’s API changes, but there’s a workaround
Over the last week or so, the popular SMS to Gmail backup application SMS Backup+ has finally stopped working as a result of Google’s Gmail API changes.