symptoms mean the phone can't charge battery or charger circuit can't read, reach batery voltage ( don't rise )

1 try another battery
2 check phone battery contacts for physical integrity and strong attachment ( any small movement is fault indicator ) on printed circuit board. when phone fall battery might to push contacts and broke solder points
3 check bat voltage for real value with a multimeter. it must be above 3.6 and below 4.2 V