If you want to play you tube video on this phone follow my step
Frist you download uc browser in this phone then go to you tube from uc browser then clik and hold the video image which you want to play then extra option open in uc you select option copy link
Then you select link which start from rtsp: // copy it and now open induilt browser and open enter address and pest this rtsp: //. link and enter you see youtube video play in your devise
If you have any problem coment on this massege