Android iphone CTIA Earphone Plug Pinout and pins Diagram

This is an image of the CTIA earphone pinout configuration for android,iPhone etc earphones.

This earphone pinout is not the same for old Nokia earphones because they use OMTP standards configuration. But it is a simple fix, just change the mic and ground pins if you need support OMTP earphones.

Some CTIA and OMTP facts


  • Android phones,iPhone and most new age phones use CTIA earphones now
  • Old Nokia and old devices used OMTP Earphones.
  • New Nokia phones use CTIA configuration
  • Just interchanging the mic and ground pins enables you support OMTP earphones.

The Pin Out Diagram Image

ctia earphone pinout image for android iphone etc


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