Let me explain how this thermometer works.
When selecting 'Outside' option application will try to downloadactual temperature for your position (longitude and latitude) - itis very accurate. Be sure that internet connection is availablewhile choosing this option.
When selecting 'Battery' option application will givetemperature of the sensor placed on battery inside the phone. Itcan measure temperature of the room, but it is still inaccurate asthe battery usually has bigger temperature than temperature of theair.
When clicking 'Menu' button on the phone you can select'Settings' - there you can change background and customize theThermometer this way!