Hi today we are going to resolved Lenovo K4 Note Mic Problem. This is lenevo’s mobile manufacturer issues. We found that most of the K4 note have same microphone issues when video recording audio are working perfectly. After long time hard working we found perfect and hassle free solution.Requirement only one piece of Samsung nice . And just soldered all pin as shown as below picture . We have tested this for several K4 note and all case we found that this is the simplest and easy way to resolved this issue without failed.