New South Wales coach Brad Fittler has issued that advice after the Broncos' latest defeat to the Warriors.
He's spoken on Channel Nine's Sunday Footy Show about the role a phone should have in any player's match build-up.
Canterbury's losing streak has extended to four games, falling 26-10 to South Sydney.
Manly have lost 14-12 to Newcastle.
NRL COVERAGE WITH PIT STOP. FREE WARRANT OF FITNESS CHECK WITH EVERY EZY-CHECK
