Oneplus Two upgrade
Exciting... i have got the OP2,...but it is a chinese version,

Now, share how the change remove h2os and install the Oxygen OS

please ensure that the battery is more than 20%

1.Download the Oxygen OS Click Here
2.Copy the zip file to mobile
3.Power off the phone and press power key + ( vol -)
4."English"=="Wipe data and cache"=="Wipe data and cache"=="Yes"=="Done"=="Install from SD"== and choose the ROM you download =="Yes" updating, please wait.and please do not shut down the phone during Upgrading.