Click scatter loading on right side of SP Flash Tool and browse to where the scatter file is.
Uncheck all the boxes except for recovery.
Click the recovery line and browse to where the downloaded CWM is stored.
Click download at the top of SP Flash Tool.
A warning will pop up letting you know that not all items are selected. Click OK.
Remove the battery from the phone. If you attached the battery, SP Flash Tool will not be able to detect the THL T6S.
Connect the THL T6S to PC via USB – At this point, you will see the preloader at the bottom of the SP Flash Tool is communicating with the PC. The bar at the bottom of SP Flash Tool will start to move indicating that the file is being transferred. At the end of the flash process, you will see a green circle indicating that the flash process had finished successfully.
Disconnect the USB cable from the phone and Put the battery back into the phone.
Boot into cwm recovery by holding vol up + power button for a few seconds.
You will see a boot selection menu. Press the vol up button navigate to the Recovery Mode option.
Press the vol down button to enter the newly flashed cwm recovery. Take note that the cwm will be upside down. Navigate through the options by using the vol up & vol down button.
Select Install Zip From SD and then select the UPDATE-SuperSU-v1.99.zip.
Confirm the installation and then reboot the phone.
* For my friends from htcmania who are having problem streaming youtube videos, i would suggest for you to go to advance wifi setting and turn off WiFi optimization. See if that will help.