Petfon tracker might get disconnected due to the following reasons,please kindly check which condition meet your current situation. 

1. Petfon APP shut off ------Please always ensure Petfon APP running during use. 

2.Tracker power off ------Petfon could keep working for 8 hours, please kindly recharge it when the power is off.

3. Tracker/s run out of Bluetooth range: 

Petfon's working distance varies from model to model . Please kindly check the following sheet for details:

a, Petfon1 Smart Tracker:

Up to 3.5 miles in ideal environment (high and open space,such as on top of a hill )

0.65-1.5 miles in open land

0-0.65 miles in urban district

b,Petfon2 Smart Tracker

Up to 4 miles in ideal environment (high and open space,such as on top of a hill )

0.75-2 miles in open land

0-0.75 miles in urban district

c,Petfon Home Kit(Petfon + Mesh)

Mesh on top of a hill/building   +   Tracker in the street   +  No obstruction----------6 miles
Mesh on top of a hill/building   +   Tracker in the street   +  Some obstructions---------3 miles
Mesh close to the ground      +   Tracker in the street       + Some obstructions-------0.5-1.5 mile 


Please kindly follow these steps to connect it again:

1, Press the voice button and hold it for 8 seconds to turn off the Controller, then press voice button (just a quick hit, not press and hold) to restart the Controller. 

2,Take controller and tracker out of the charging box and put them both back inside till a Blue or Green light come up on both of them

3,Turn off Bluetooth in your cellphone and turn it back on

4,Turn off Petfon APP in your cellphone and turn it back on.

5, Please check it's connection status again (Petfon APP==>Menu==>Devices)