If your phone can't find the Bluetooth of your battery monitor Micro-10-C or Micro-10-D, please try this adjustment method: 1. Download Application for debugging: https://www.dropbox.com/sh/oirka9a3pcxcrgn/AABuMVBr3XE7tZ8ukZacU9-6a?dl=0 2. See video on our Youtube channel to make a reference: https://youtu.be/GZ57VWM3n