User manual
14
Operating temperature
Use this phone in environmental temperatures between -10 °C and 40 °C.
Battery
• Use only the supplied or approved battery. Using an unapproved battery may
cause your phone to explode and result in serious damage to your health or
property.
• Use only the supplied or approved charger to charge the battery.
• Don’t short-circuit the battery by connecting metal objects to the battery’s
positive (+) and negative (-) terminals. Doing so may cause the battery to
generate heat and result in burns or property damage.










