nokia 301 shows storage data mode but not charging when usb cable is connected
nokia 301 shows storage data mode but not charging when usb cable is connected. try to solve this issue using a new usb data cable. Try to clean the phone jack charging port of nokia 301.
Check from software and try with charging mode only instead of memory data mode.
If you need to disassemble after disassembly of nokia 301 check these parts that have been posted in above diagrams. In these nokia 301 charging problem solution diagrams you can see different parts are described and are separated with different colors.
Check all these parts for carbon rust or water damages. If some parts are burned then you have to replace them. Make these parts clean and resold them.