In troubleshooting such charger not supported problem, you may first try to use another wall charger and also try another working battery. Then proceed to hardware troubleshooting if the battery and the charger were both working well. In Nokia phone circuit design, there is a certain components that holds like a battery temperature indicator, and when damaged due by water or oxidation build ups, it will result to a charger not supported error message.
Heres how to fix Charger Not Supported Problem on Nokia C2-03, C2-06, C2-08 Dual SIM phone.
1) Check the battery connector terminals, clean if necessary.
2) Locate the two highlighted components, those are resistors and holds as battery temperature (BTEMP) indicator. Try to replace first the rated 47K resistor then the 120K.
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| Nokia C2-03, C2-06, C2-08 Charger Not Supported Solution |