Nokia 130 charging problem and solution how to repair charging problem in Nokia 130 i give you some step Now, here is the basic step by step repair procedure on hardware troubleshooting on mobile phones. Now dismantle your cell phone carefully. To open your cell phone you need a torx T6 size screw driver and a tweezers. Remember the steps how you opened the phone as you will have to assemble it later! Dry the green colored circuit board carefully and completely Clean the circuit board with spirit using a brush. This prevents corrosion on the PCB. check the charger and battery , check charging connector check the battery connector,