Follow these steps to change Personal Identification Range of Mango mirror screen.
Personal Identification Range(PIR) - is the distance between Phone and Mirror where the phone is identified by the mirror. It will be calibrated from 0 - 22 feet. Stand at the furthest distance from the mirror(less than 30 feet) and then set the range.
Step 1: Click on the Settings icon (Gear icon) in the Bottom left of the page.
Step 2: Screen with all the settings will open up and will display all the available options. Click on the 'Personal Identification Range' option to select the desired distance.
Step 3: Click on "Start Ranging" Option.
Step 4: A pop up screen with Calibrating Range will appear and distance will be calculated and will be automatically calibrated.
You can see that the Personal Identification range for the above mobile is 7.