This is another solution for Nokia 5230 with charger not supported problem. This solution shows the mostly main components that may result to charger not supported if being damaged.
To fix the problem, you may first try to use another working charger and replace the phones battery, if the problem still persists, locate the highlighted components on the PCB board, and then try to replace it.
Nokia 5230 Nuron Charger Not Supported Problem Solution
7:31 AM
Katherine