Global User Guide

8
BATTERY USAGE/YOUR SIM CARD
TIPS TO EXTEND THE BATTERY LIFE
Follow these tips to extend your phone’s battery life.
• If you are not using Wi-Fi, Bluetooth, or GPS, use
the Settings to turn them off. The GPS setting is
located in Settings > Security & Location.
• Set screen brightness to Low and set a shorter
Sleep timeout (15 seconds). The display settings are
located in Settings > Display.
• If you are travelling and do not have access to
mobile data or Wi-Fi network, switch to Airplane
mode. Select Airplane mode from Quick Settings.
WARNING
BATTERY CAN BE REPLACED ONLY IN NON-
HAZARDOUS LOCATION.
YOUR SIM CARD
Purchase a SIM card from a mobile operator.
The SIM card associates your network services
(for example, phone number, data services, and
so on) with your phone.
REMOVING THE BACK COVER
1. UNSCREW COVER
To open the battery
cover, rotate both the
battery cover screws
in counter clockwise
direction (as shown in
the gure).
2. LIFT THE COVER
Lift the back cover to
reveal the battery slot.
3. USE SONIM
SCREWDRIVER
You can use the
Sonim provided
screwdriver tool to
open and close the
screws.