You could try...
View the post in your Android app in Bluestacks.
Scroll to the bottom
Select Full Site
Find your original post (must be the first post in the thread)
Select Edit post
Select Go Advanced
Add (Solved) to the post title
Save
Or
Post a reply to the thread that you solved the issue and explain how...
This is important to help other users in case they encounter the same issue.
Admin can edit the thread title if necessary.