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The battery can be charged and discharged hundreds of times, but it will eventually wear out. When the talk and standby times
are noticeably shorter than normal, replace the battery.
Battery safety
Always switch the device off and disconnect the charger before removing the battery. When you unplug a charger or an
accessory, hold and pull the plug, not the cord.
When your charger is not in use, unplug it from the electrical plug and the device. Do not leave a fully charged battery connected
to a charger, as overcharging may shorten the battery’s lifetime. If left unused, a fully charged battery will lose its charge over
time.
Always keep the battery between 15°C and 25°C (59°F and 77°F). Extreme temperatures reduce the capacity and lifetime of the
battery. A device with a hot or cold battery may not work temporarily.
Accidental short-circuiting can happen when a metallic object touches the metal strips on the battery, for example, if you carry
a spare battery in your pocket. Short-circuiting may damage the battery or the connecting object.
Do not dispose of batteries in a fire as they may explode. Dispose of batteries according to local regulations. Recycle when
possible. Do not dispose as household waste.
Do not dismantle, cut, open, crush, bend, puncture, or shred cells or batteries. If a battery leaks, do not let battery liquid touch
skin or eyes. If this happens, immediately flush the affected areas with water, or seek medical help.
Do not modify, remanufacture, attempt to insert foreign objects into the battery, or immerse or expose it to water or other
liquids. Batteries may explode if damaged.
Use the battery and charger for their intended purposes only. Improper use, or use of unapproved batteries or incompatible
chargers may present a risk of fire, explosion, or other hazard, and may invalidate any approval or warranty. If you believe the
battery or charger is damaged, take it to a service centre for inspection before continuing to use it. Never use a damaged battery
or charger. Only use the charger indoors.
Additional safety information
Make an emergency call
1 Make sure the device is switched on.
2 Check for adequate signal strength. You may also need to do the following:
• Insert a SIM card.
• Deactivate call restrictions you have activated for your device, such as call barring, fixed dialling, or closed user
group.
• Make sure the flight profile is not activated.
• If the device screen and keys are locked, unlock them.
3 Press the end key repeatedly, until the home screen is displayed.
4Open the slide.
5 Enter the official emergency number for your present location. Emergency call numbers vary by location.
6Press the call key.
7 Give the necessary information as accurately as possible. Do not end the call until given permission to do so.
Important: Activate both cellular and internet calls, if your device supports internet calls. The device may attempt to make
emergency calls both through cellular networks and through your internet call service provider. Connections in all conditions
cannot be guaranteed. Never rely solely on any wireless device for essential communications like medical emergencies.
38 Product and safety information