I'm currently on Rubix 0.5 and never done the OTA 2.2. Is it worth now doing the OTA 2.2 or stick with what I got now? I would go to OTA then to Fission or Rubix again, just to get latest kernel and baseband. If I should do it, I would have to flash 2.1 SBF get OTA 2.2 Update, right? Recommend flashing to official?