troubleshooting steps

[nansio]

I would like to know troubleshooting steps must be followed when repairing a cellphone

 

[hack1]

;D you mush have this tool

[shadow=red,left]brower /hot air gun[/shadow]

[shadow=red,left]solder 30 watt[/shadow]

[shadow=red,left]box flasher like tornado or griffin[/shadow]

[shadow=red,left]multitester [/shadow]

[shadow=red,left]scematic of phone[/shadow]

[shadow=red,left]skill for repair electronic [/shadow]

hope this can help you .thank