Here's how to remove the RFID chip and antenna from a London Oyster travelcard. You can then put it in anything you want. You need a jar and acetone.
You already know how to use your phone. With our newsletter, we'll show you how to master it. Each week, we explore features, hidden tools, and advanced settings that give you more control over iOS and Android than most users even know exists.
Sign up for Gadget Hacks Weekly and start unlocking your phone's full potential.
Comments
Be the first, drop a comment!