External mic works fine alone&wont when using adapter

[Reynoldswrap]

I am using a galaxy j7 phone&have been using an ^external mic w/adapter connection to record vocals&had had no problems. Then suddenly i had no connectivity, it seems, when usin mic w/adapter? Mic works fine plugged straight n. I know its not my mic or the adapter cuz@1st i did so bought new equipment. If u know any reason for this plz hit me up