Philips CT1898/000000EU User Manual page 7

Close the cardholder into the locked position..
Replace the battery
Slide the battery into its slot, metallic connectors
facing downwards, until it stops. Then lock it by
pushing it downwards.
6
Replace the back cover
Replace the back cover by sliding it down into its
slots, until it stops.
Remove the protective film covering the screen before
using the phone.
Getting Started