Camera app can't switch to rear after downgrade topic

Hi !!

I downgraded from 5.0 to 4.4.4 (always using same version :cool:) and the little button that you press to switch between cameras isn't even there anymore :silly:
Attachment 3110953

I tried:
-Factory reset
-Wipe caches
-Reinstalling 4.4.4 (using 3 diferent versions, RETUGLB, RETUAWS and my NiiMX twrp backup, and always the same result) :(
-Uninstalling camera app usung Titanium Backup and reinstalling from store
-Using 3rd party camera apps

etc etc etc ... same result.

the switch button appears only if I install lollipop again :mad: And I dont want install it by now .. cuz the batery drain issue

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