Hmm, maybe for the updater prob you could go into recovery-->configuration-->Fake region and set it to usa.
Brightness, i think when using despertar it does NOT correct the IDStorage if its corrupt. When i updated to 3.71m33 it auto-fixed it for me and i have no brightness probs. (USA TA082)---> I updated from 3.51 m33-4.
I can't help with your TimeMachine Probs, or the crashing one, sorry.
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