To solve this issue, you can turn 
  
Bluetooth and 
  
Wi-Fi on your smart device off and on, then try again. 
 
If it doesn't work, you may need to reset your 
  RE by following these steps: 
 -  
Hold your 
  RE with the lens facing up. 
-  
Open the 
  microSD slot cover located at the bottom of your 
  RE. 
-  
Push the tip of a small bent paperclip onto the Reset button. You'll hear the startup sound.