Buy new mobile

following points must be considered while buy a new phone. very very important points.

  1. Are there any apps which may not be uninstalled – I am unable to uninstall Facebook from my Samsung S9 plus.
  2. For heavy use, if battery sufficient for usage of at least 36 hours.
  3. Warranty / Guarantee type & period.
  4. IP rating.
  5. OS version is latest or not.