Taking a look at the advantages for both models
Click here for instructions on how to identify whether you have an OLED or TFT screen.
There are two different versions of the Orange San Francisco / ZTE Blade. One with a TFT screen, and the other with an OLED screen. Although the OLED screen is better than a TFT overall, it has since been discontinued. Currently, there is a production shortage of OLED screens in China and South Korea. The Orange San Francisco / ZTE Blade may return to an OLED screen at a later date.
Click here for instructions on how to identify whether you have an OLED or TFT screen.