A backlight is a form of illumination used in liquid crystal displays (LCDs).
An electric battery is a device consisting of one or more electrochemical cells with external connections provided to power electrical devices such as flashlights, smartphones, and electric cars.
Siemens AG is a German conglomerate company headquartered in Berlin and Munich and the largest industrial manufacturing company in Europe with branch offices abroad.
The Siemens C25 is a mobile phone introduced by Siemens in 1999.
2G (or 2-G) is short for second-generation cellular technology.