How to update Cyanogen OS in OnePlus one with TWRP recovery and root

Phone Model:OnePlus One
System:CM12s

Waning: You should backup your phone with TWRP recovery before update just in case, even though the following steps won’t wipe your apps and data.

Steps:

  1. Boot to twrp recovery
  2. Go to install
  3. Select “cm-12.0-YNG1TAS213-bacon-signed.zip”
  4. Swipe the “Swipe to confirm flash” section
  5. After flashing select “wipe cache and dalvik cache”
  6. Flash “xposed-v-sdk-*.zip” if you want to install Xposed.
    link: [OFFICIAL] Xposed for Lollipop [Android 5.0/5.1, v75, 2015/10/07] - XDA Forums
  7. Flash “UPDATE-SuperSU-v**.zip” if you want to root your phone.
    link: SuperSU - XDA Forums
  8. Reboot