I used the following guide for suppressing the update notifications
(originally posted by riccardo423 at https://forum.xda-developers.com/g-watch-r/general/to-android-wear-1-5-complete-guide-t3592606)
ELIMINATE THE PERSISTENT UPDA...
Many thanks riccardo423
I have managed to rollback my lg g watch r to android wear 1.5 AND suppress those pesky update notifications using your guide. I noticed your mediafire link to the custom recovery file is broken. There is an alternative do...