Nokia X3-00 RM-540 Universal Cable Pinout

Nokia X3-00 RM-540 Universal Cable Pinout

Nokia C2-00 Charger Not Supported Problem Solution

In case you are trying to solved Nokia C2-00 with Charger Not Supported error problem when the wall charger is plug-in this solution may possibly help for your troubleshooting.

Before proceeding to troubleshooting, you may try to use another wall charger, replace or use another battery and then clean the battery connector and charging pin connector (DC jack).
If the problem still persist, you may the locate the two highlighted components on the solution below, check for possible damaged, clean if oxidized and then replace the 47K resistor first then the 120K. These resistor hold as Battery Temperature Indicator, once damaged it will result to charger not supported error issue.

Nokia C2-00 Charger Not Supported Problem Solution

Nokia X7-00 Insert SIM Card Problem Jumper Ways Solution

This solution might help you to fix Nokia X7-00 with "Insert SIM card error" problem. If the phone doesnt recognize any SIM card inserted to it this might be your guide on how to solved and mend the issue.

You may start by checking the SIM card pin connector for possible damaged or lifted. Check if it needs a  re-soldering or just cleaning. The colored line paths represents each of the corresponding SIM card connector pins, just do trace each of them carefully then mend to reconnect if somehow there is open or cut connections. Check each of connected capacitors , replace if already damaged.

View the larger Nokia X7-00 Insert SIM Card Solution here.

If the solution above doesnt fix the problem, then the trouble might possibly lies on the Gazoo (ASIC) chip.
Reworking it might only fix the said nnsert SIM card problem on Nokia X7-00.