Ready to try out #MIUI7? Here's a video step by step guide on how to update to the beta ROM without using a computer—all you need are Wi-Fi/stable Internet connection and a USB OTG drive! Tips: 1) Always back up before updating—MIUI lets you choose which apps and system data to back up to save you time and space. 2) Wiping user data first before updating ensures that you are removing anything that can cause any potential conflicts with the beta ROM. Planning to try this tutorial out? Do show us