To get from version 6.9 to 7.1 you need to follow the 3 steps in the iodé news app from December 07.
https://community.iode.tech/t/iodeos-v7-0-upgrade-important-information
This is only necessary this one time and the reason being that:
If you use the news app, it is very easy to open the link directly in that app. Don’t be afraid!