SIM card: ZTE Avid Trio

Learn how to manage SIM messages on the ZTE Avid Trio.



Insert/remove SIM

This device supports a Nano size SIM card.


  1. Place your finger in the slot at the bottom of the back cover to lift and remove the cover.
  2. Hold the Nano-SIM card with the gold contacts facing down and the cut corner at the top and slip it into the card holder.
  3. To remove, slide the Nano SIM down out of the holder.