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Here's the solution for Nokia C6 ringer, hands free or IHF loud speaker problem that no audio sound can be heard over the device when it is being activated. If ever encountered this problem you may need to check and replace the IHF speaker if found damaged. If the IHF speaker seems okay but still no sounds output, you may then proceed to check certain components which holds  the IHF speaker audio signal. Nokia C6 Ringer, Hands Free IHF Speaker No Sound Solution The solution above shows the IHF speaker connection and line paths which can be used for checking or tracing . The IHF audio signals is feeds from the audio IC (AVILMA) and then filtered by filter coils before it goes through to the IHF speaker. Tips for Repairing Nokia C6 Ringer IHF speaker: a) Check the IHF speaker or try to install a new replacement spare parts. b) Check the speaker terminal and contact pads and ensure that it is clean. c) Check the filter coils and ESD protection resistors and then replace if foun...

This solution may helpful to fix Nokia C6 microphone or mic mouthpiece problem. This problem occurs if the device flash firmware is corrupted or due to hardware failure. Updating the device flash firmware may possibly help fix and solve the problem , but if it doesn't work you may need to proceed into hardware repair and check certain components that holds for Nokia C6 microphone to work. The solution below shows the location of the digital microphone module in Nokia C6 PCB board. You may need to check or replace this components when found damaged or faulty. Nokia C6 MIC,  Mouthpiece Microphone problem solution Try to check the Mic data signal connection line paths including the microphone's supply voltage, before replacing the digital microphone module.

Here's the solution for Nokia C6 Sim card problem that does Not accept any SIM card when inserted and and only shows Insert Sim card or Sim card not inserted. If this problem happens you may need to try updating the device flash firmware before you may proceed to hardware troubleshooting . The solution below shows the sim card circuit on Nokia C6 PCB board which can be used to repair Nokia c6 if insert sim card problem occurred. Nokia C6 Insert Sim card Repair solution In most case the SIM card supply voltage oftentimes caused the problem if this line paths is being cut or open if the device suffered water or any liquid damaged. The Sim card data signals is feeds to the power IC (AVILMA), In tracing this line paths you may need to remove the power IC first and then rework or re-ball it before in-placing it back.   Reheating or re-flowing the IC may fix the Nokia c6 insert sim card problem sometimes, but reworking or re-balling the solder balls  is highly advised.