I mistakingly cancelled my android software system update I can get it back again and what are the procedures I mistakingly cancelledy android system update 
Please can any one teach me the procedure of updat my android system software ?

There is no select option from the main men


  about 
  phone
  network 
  batery etc.
Yes you can get it back by going to . Settings >> About phone >> System Update. There you will see updates of your phone that are available. You can start the updates of your system from there and it work back again.