Screen not on but combo is right

Phone 20 din se band padh hai aur uska combo shi hai lekin back pannel se thoda water andar gya tha phone ke too phone on hi na ho rha hai kya problem hai

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0