But in case of nougat update op and lg may release around same time window, Samsung the last. If you like touchwiz additional features etc go for Samsung.
Good quality tempered glasses + a good case can really save a phone from high drop. Good tempered glasses like nilkin etc take most of impact before it reaches the phone screen. Most good tempered glasses come in range of 400- 1000
https://www.atherenergy.com
Was expected to launch this year. Indian startup firm. Dual battery ebike from hero etc are good for one person to commute.