2 Of my controlers Have Gone CRAZY HELP ME!!!!!!

To anyone,

Controller 1: my controller is busted cause when i put it in none of the buttons work or the anologs or sholder buttons can u plz tell me what to do when i open my controller up


Controller 2: ma controller has broken but evrything works apart from the anologs can u plz tell me what to do when i open my controller up.


THANKS A LOT!!!!!!