How to Use FireFox With User Agent Spoofer on Boost Mobile. Instantnumbers April 20, 2018 17:02 Updated How to Use FireFox With User Agent Spoofer on Boost Mobile. Watch a quick video walkthrough!https://youtu.be/URy2GNySBlw Related articles How to GPS Spoof on Boost Mobile How to Change IP on Boost Mobile How to Change Android Device ID to appear to be a different type of phone on Boost Mobile. How to Connect to Vysor to access Android Smartphone. How to use Chrome UA (User Agent Spoofer) Comments 0 comments Please sign in to leave a comment.