Great tip to save battery life.

[ss4_zohair1]

Switching the theme from light to dark should save lots of battery as IPS displays use less battery while displaying lighter colors whereas OLED uses less battery on dark colors.

 

[sleewok]

Switching the theme from light to dark should save lots of battery as IPS displays use less battery while displaying lighter colors whereas OLED uses less battery on dark colors.

Too bad the 920 actually uses an IPS LCD.

http://en.wikipedia.org/wiki/Nokia_Lumia_920