what i lost , if i install Android 5 on my gear s?

rojhan web

Aug 24, 2019
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hi guys. i see many videos that install a real android 5 on gear s ... is here anyone that test this rom? with installing it , what features we lost?

1. is still possible to see/answer Phone Calls and SMS on watch? (what about other apps)

2. is "heart beat counter" + "step counter" still usable and working?

3. is it possible to go back to original watch os?