power section with software

Power Section

1 battery connector okay
2 on/off switch okay
3 press on/off switch then check voltage vio,v-flash,v-cor  okay
4 check with software

» Nokia check = first boot error / Okay
» Samsung info = info failed way / Okay
» Sony or China = booting failed / Okay

solution

 power section with software 

software 80%

hardware 20%

solution first boot error

» check software version
» check cable or cable connector to mobile
» mobile wash and hit
» check with General Treatment of dead set

5 first boot ok but other errors

first boot ok 2nd boot error
solution
* check IC demand voltage
* IC HRC
* working IC HRC