Last Updated: Nov 15, 2013
Answers to some of your questions about your Samsung M400 battery
What is the maximum talk time?
Your battery has a maximum talk time of up to 4 hours continuous use.
Why is my Samsung M400™ battery life inconsistent?
How fast your battery runs down depends on what you do on your Samsung M400. Features like Bluetooth®, games and web browsing put more strain on the battery than simple features like voice calls and text messages.
How can I conserve my Samsung M400 battery life?
You can lower screen timeout and brightness, turn off idle radios and apps, and limit your email updates and application notifications.