ZyXEL Communications V660 User Manual
Page 6

V660 Quick Start Guide
5
• Install the included battery.
• Install a SIM (Subscriber Identity Module) card.
• Charge the V660’s battery.
1
WARNING: NEVER expose the battery to
high temperatures (such as fire or
prolonged direct sunlight), short-circuit it or
open the battery’s casing. This could cause
the battery to ignite or explode.
1
WARNING: DANGER OF ELECTRICAL
SHOCK. Remove the battery or battery
cover only when the V660 is turned off and
the charger/USB cable is unplugged.