Emergency Calls; Battery Information And Care - Google nexus 4 Quick Start Manual

Children
keep the phone in a safe place out of the reach of small children.
it includes small parts which may cause a choking hazard if
detached.

Emergency calls

emergency calls may not be available on all mobile networks.
therefore you should never depend solely on your phone for
emergency calls. check with your local service provider.

Battery information and care

• You do not need to completely discharge the battery before
recharging. unlike other battery systems, there is no memory
effect that could compromise the battery's performance.
• use only Lg batteries and chargers. Lg chargers are designed
to maximise battery life.
• do not disassemble or shortcircuit the battery pack.
• recharge the battery if it has not been used for a long time to
maximise usability.
• do not expose the battery charger to direct sunlight or use it in
high humidity, such as in the bathroom.
• do not leave the battery in hot or cold places, as this may
deteriorate battery performance.
• there is risk of explosion if the battery is replaced with an
incorrect type.
 Nexus 4 quick start guide