Huawei E3131 Quick Start Manual

Thank you for choosing the Mobile Broadband USB
Stick. With your USB Stick, you can access a wireless
network at high speed.
Note:
This manual describes the appearance of the USB Stick, as well as the procedures for
preparation, installation, and removal. For operation details about the management
program, see the online help included in the management program.

Getting to Know Your USB Stick

The following figure shows the appearance of the USB Stick. It is provided only for your
reference. The actual product may be different.
2
1
2
3

USB Connector
It connects the USB Stick to a PC.

Strap Hole
You can tie the cap and the USB Stick together by threading a strap through the strap holes,
so that the cap will not be easily lost.

Indicator
It indicates the status of the USB Stick.
Green, blinking twice every 3s: The USB Stick is powered on.

Green, blinking once every 3s: The USB Stick is registering with a 2G network.

Blue, blinking once every 3s: The USB Stick is registering with a 3G/3G+ network.

Green, solid: The USB Stick is connected to a 2G network.

Blue, solid: The USB Stick is connected to a 3G network.

Cyan, solid: The USB Stick is connected to a 3G+ network.

Off: The USB Stick is removed.


SIM/USIM Card Slot
It holds a Subscriber Identity Module (SIM)/Universal Subscriber Identity Module (USIM)
card.

microSD Card Slot
It holds a microSD card.
Getting Your USB Stick Ready
1. Open the front cover to remove it from the USB Stick.
2. Insert the SIM/USIM card and the microSD card into the corresponding card slots, as
shown in the following figure.
3. Replace the front cover and click it into place.
Note:
The microSD card is an optional accessory. If it is not provided in the package, you can

buy one yourself.
Ensure that the beveled edge of the SIM/USIM card is properly aligned with that of the

SIM/USIM card slot and the microSD card is inserted according to the direction as
labeled on the microSD card slot.
Do not remove the microSD or SIM/USIM card when the card is in use. Otherwise, the

card as well as your USB Stick may get damaged and the data stored on the card may
be corrupted.
O1409 USB Modem E3131 Quick Start 325x105.indd 1

Quick Start

4
5
BROADBAND

USB Modem

E3131
8/06/12 11:46 AM