Accidentally Upgraded Pilot App on Crystal Sky

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I accidentally upgraded my Pilot app on my Crystal Sky today when I got the popup.. I normally never do any updates unless I am having an issue or want to take advantage of a new feature. I have M200. Went to fire up and got error on Pilot app saying this version is for M200V2. How can I downgrade? DJi Pilot app currently says on CS apps screen Version V2.3.1.5
I am able to get past the error and it would fly, but didn't want to take any chances.

 

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OK, deleted the current version and reverted to base install. Also ran update 1.6.1 that I had in downloads folder from Jan 2020. Lost over 80 KML files of existing jobs. Glad I backup everything. Think I'm all set, please add anything I might be missing. thanks