Huawei E3531S-3, Quick Start Up Manual, Page: 2 / 3

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.
1
2
3
4
5
2

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 2 s: The USB Stick is powered on.

Green, blinking once every 2 s: The USB Stick is registering with a 2G network.

Blue, blinking once every 2 s: 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 Card Slot
It holds a Subscriber Identity Module (SIM) card.

microSD Card Slot
It holds a microSD card.