ZyXEL Communications V660 - Manual (Page 8)

V660 Quick Start Guide
7
The V660’s SIM card slot is located inside the battery
hatch. Slide the SIM card into the receptacle as shown, so
that the card’s contacts (the metal areas) are touching the
V660’s contacts.
3 Remove any packaging material from the battery. Insert
the top end of the battery into the battery hatch so that its
contacts (the metal areas) are touching the V660’s
contacts.
Ensure that the + and - symbols on the battery line up with
those on the V660.