Huawei E355S Faq

E355s FAQs

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E355s FAQ .........................................................2

Q1: Main Features of E355S: ................................................................................................ 2

Q2: Hardware specifications of E355s: ............................................................................... 2

Q3: Keys, Interface of E355s ................................................................................................. 5

USB interface ........................................................................................................................... 5

Hitch hole ................................................................................................................................. 5

Wi-Fi indicator light: .................................................................................................................. 5

2G/3G indicator light: ............................................................................................................... 5

SIM/USIM base. ....................................................................................................................... 6

microSD base ........................................................................................................................... 6

Q4: The AutoPlay dialog box does not appear when connect E355s to PC with USB

cable. ...................................................................................................................................... 6

Q5:Check whether E355s has been successfully installed？ ........................................... 7

Q6: Establish WiFi connection between PC and E355s？ ................................................. 8

Q7: My device connected to E355s’s wireless network, but cannot open Web UI ....... 10

Q8: E355s’s signal is weak and cannot register to 3G network ..................................... 12

Q9: E355s’s Wi-Fi signal is always weak, what is the cover area of E355s’signal. ...... 13

Q10: Default encryption method of E355S ........................................................................ 13

Q11:I forget my Wi-Fi key and Web login password I can’t login my E355S ................ 14

Q12: I feel my E355s getting hot after long hours usage. Is there safety concern? 15

Q13: How can I get version information of my E355s？ .................................................. 15

Q14: Duration statistics of the Internet connection are not accurate. ........................... 16

Q15: Will the Mobile WiFi connect to the Internet automatically if I roam to a different

network? ............................................................................................................................... 17

Q16:Clients connected to the Mobile WiFi cannot communicate with each other. ...... 18

Q17: Why can not I access the management page by desktop shortcut when

connected?（On Windows XP System） .......................................................................... 18

E355s FAQs

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E355s FAQ

Q1: Main Features of E355S:

A:

The E355 mainly supports the following features:

 HSPA+/HSPA/UMTS 2100MHz/900MHz, EDGE/GPRS/GSM

1900MHz/1800MHz/900MHz/850MHz
(E355s-1: 2100MHz, E355s-2: 2100/900MHz, E355s-6: 2100/1900/850MHz)

 Equalizer
 Receive diversity
 HSPA+ downlink data service of up to 21.6Mbps
 HSDPA data service of up to 14.4Mbps
 HSUPA data service of up to 5.76Mbps
 UMTS PS domain data service of up to 384 kbps
 EDGE packet data service of up to 236.8 kbps
 GPRS packet data service of up to 85.6 kbps
 SMS based on CS/PS domain of GSM and UMTS
 Wi-Fi AP and WPS
 Inner DHCP server, DNS RELAY and NAT
 Plug and Play
 Personal computer/Smart card (PC/SC) Driver
 Standard USB interface
 UMTS and WLAN inner antenna
 Micro SD Card
 Windows XP SP2/SP3、Windows Vista SP1/SP2、Windows 7、Mac OS X 10.5 、Mac OS X

10.6 with latest upgrades

Q2: Hardware specifications of E355s:

A:

Item

Specifications

E355s FAQs

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Item

Specifications

Technical standard

WAN:
GSM/GPRS/EGPRS R99
WCDMA/HSDPA R5, HSUPA R6, HSPA+ R7
WLAN: IEEE 802.11b/g/n

Operating frequency

HSPA+/HSPA/UMTS

2100MHz/900MHz

EDGE/GPRS/GSM: 1900MHz/1800MHz/900MHz/850MHz

WLAN: 2.401GHz～2.495GHz

Memory capability

128MB Flash, 64MB Memory

Maximum transmitter
power

UMTS: ≥24 (＋1/-3)dBm

WLAN:

802.11b: 14 (＋/-3)dBm

802.11g: 11 (＋/-3)dBm

802.11n: 7 (＋/-3)dBm

Static receiver sensitivity

UMTS：-106dBm

WLAN 802.11b: -76dBm@11Mbps/-82dBm@1Mbps

WLAN 802.11g: -65dBm@54Mbps

WLAN 802.11n: -64dBm@65Mbps

WLAN speed

802.11b: up to 11Mbit/s

802.11g: up to 54Mbit/s

802.11n: supporting MCS0～MCS7, up to 72.2Mbit/s

Maximum power
consumption

3.5W

Power supply

AC: 100V～240V
DC: 5V, 1A

External interfaces

USB 2.0 High Speed

SIM/USIM card: standard 6-pin SIM card interface

Key

Reset key

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Item

Specifications

Antenna

Inner GSM/UMTS main antenna
Inner UMTS diversity antenna
Inner WLAN antenna

Size

90.6mm×28.6mm×12.6mm

Weight

About 40g

Temperature

Operating: –10℃ to +45℃
Storage: –20℃ to +70℃

Humidity

5% to 95%

Notes:
EGPRS = enhanced GPRS
SIM = subscriber identity module
USIM = UMTS subscriber identity module

E355s FAQs

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Q3: Keys, Interface of E355s

A:

外观

1
2

3
4

5
6

2

 USB interface

Connect PC with E355s。

 Hitch hole

 Wi-Fi indicator light:



Green light on, Light once every 3 seconds：E355s is connecting power，Wi-Fi work well.



Green light always on：Wi-Fi is building connecting.



Off：Wi-Fi is abnormal or E355s is unplugged out.

 2G/3G indicator light:

The description of E355s’s indictor:



Green light on，Light twice every 3 seconds：E355s has been startup，but no connecting of net.



Green light on，Light 5 times every seconds：E355s is upgrading.

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

Green light on，Light once every 3 seconds：E355s is connecting to 2G net.



Blue light on，Light once every 3 seconds：E355s is connecting 3G/3G+ net.



Green light always on：E355s connect to 2G net.



blue light on：E355s connect to 3G net.



Cyan light always on：E355s connect to 3G+ net .



Off：E355s is unplugged out.

 SIM/USIM base.

Fix SIM/USIM card.

 microSD base

Fix microSD card.

Q4: The AutoPlay dialog box does not appear when connect

E355s to PC with USB cable.

A:

1. Please check if the computer OS meets one of the following:
(1) Windows XP / Windows Vista / Windows 7

(2) MAC OS X 10.5, MAC OS X 10.6，MAC OS X 10.7

2. Find the drive path Web Partner. It should appear as one virtual CD-ROM drive in .

Double click Web Partner to open the folder of “E355s”, double click “ AutoRun.exe” to
install E355S and drivers manually.

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4. If the drive path Web Partner not showing up, make sure there is no damage on USB cable and

no contamination at PC USB connectors. Try to re-plug in USB connectors (both end of USB cable) to
E355s and computer again.

Q5: Check whether E355s has been successfully installed？

A:

1. Click and find “My Computer” as . Right click “My Computer” select “Manage”

to open the “Computer Management” Click “ ”. If E355shas been installed

successfully, You would see:
Adding new items 3G PC UI Interface and 3G application interface to Ports(COM&LPT).
Adding new items USB Mass Storage Device & USB Composite Device to Universal Serial Bus

Controller

Adding new item HUAWEI Mobil Connect – 3G Network Card to Network Adapters.
Adding new item HUAWEI MassStorage USB Device to DVD/CD-ROM Drivers.

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2. If “HUAWEI Mobil Connect – 3G Network Card” shows , right click it then select “Uninstall”.

Re-load the network driver for E355s by right click , then select “Scan for

hardware changes”.

Q6: Establish WiFi connection between PC and E355s？

A: Please follow these steps to set up your WLAN：

1. Enable your wireless network card and double click icon displayed on windows start bar to

open “Choose a wireless network” dialog

2. Select SSID of E355s in the local wireless device list (The WiFi Key and the SSID can be found on

a label stick inside the back cover),

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click to connect.

3. Input WiFi Key in the dialog of password input then click to establish

connection(The WiFi Key and the SSID can be found on a label stick inside the back cover)

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4. After the icon of wireless network card turned from (status of acquiring IP address ) into

,your PC has established WiFi connection with E355s successfully, enter

http://192.168.1.1 in web browser (ex. IE) to visit Web UI

Q7: My device connected to E355s’s wireless network, but

cannot open Web UI

A:

1. Double click to check your wireless network connection status on right of taskbar. Make sure

your device is connected with your E355s but not other Wi-Fi device.

2. Open Web Browser from your device (ex. Microsoft Internet Explorer). Go http://192.168.1.1 to

open E355s’s Web UI.

3. If Web Browser failed to bring you to Web UI, click “Tool” from Browser then select “Internet

Options”.

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Select “Connections” tab, then click “LAN settings”.

For the “Local Area Network (LAN) Settings” pop-up, deselect the top three check-boxes. Then click
“OK” to apply changes, then refresh the Web Browser to show E355s management console page.

E355s FAQs

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Q8: E355s’s signal is weak and cannot register to 3G

network

A:

1. Please check local network condition, check whether there is 3G network which provided by

telecom operator at the moment. Ensure you are not in some close environment. (You may

check the signal strengthen by the icon displayed on Web UI main page)

2. Please move E355s toward to window to get better signal

3. If the network condition is good but still cannot register, please try to reset E355s and try again

4. Sometimes355s will be rejected by the operator for some reasons. Please reset E355s and check.

E355s FAQs

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If 355s still cannot camp on the network, please contact with your device provider.

5. Login Web UI to check whether E355s has been set to GPRS only mode or GPRS preferred mode.

If one of them , please select the WCDMA Prefer option in the drop down menu.

Q9: E355s’s Wi-Fi signal is always weak, what is the cover

area of E355s’signal.

A:

1. Keep your device away from facility which may create RF signal and cause interference, like

Micro-wave oven, Television, and wireless phone etc. You can turn off the idle facility of them
when you are using E355s.

2. In ideal environment the signal of E355 can cover for 100 meters.

3. In actual use Wi-Fi covered range maybe different from idea square area, it decided by the

environment you use. The closer to E355s, the stronger Wi-Fi signal you get. And every obstacle
(walls, ceilings, furniture) between your device and E355s may decrease Wi-Fi signal strength.
Move your device closer to E355s can avoid obstacles and improve Wi-Fi signal.

4. Change the Wi-Fi channel to fix one other than auto (you can try the available channel one by one

and select the channel with best signal strength)

Q10: Default encryption method of E355S

A:

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E355s support following encryption method

1. SHARE authentication mode: WEP /NONE

2. WPA-PSK authentication mode: ASE/TKIP/AES+TKIP

3. WPA2-PSK authentication mode: ASE/TKIP/AES+TKIP

4. WPA/WPA-PSK authentication mode: ASE/TKIP/AES+TKIP

The default encryption method of E355s is WPA-PSK authentication mode: TKIP

If you changed encryption method of E355s the Wi-Fi connection between PC and E355s will be
disconnected, please enter the new Wi-Fi key(Wi-Fi key of the encryption you selected ) when you
want to establish Wi-Fi connection.

Q11: I forget my Wi-Fi key and Web login password I can’t

login my E355S

A:

If you forget your Web login password, you needn’t to worry. Try to restore your E355s as following

step

1. Open the back cover of E355s

2. Press and hold the RESET button until OLED screen is off then E355s will restart, after
E355s has boot up all the password will be restored to default.

Notice: After restored E355s all the user settings will be restored to default settings.

If you only forget your WiFi Key, try to set the new WiFi key in the “WLAN Basic Setting” page, input
new WIFI key directly in WPA Pre Shared Key bar or select show password option the view the
password

E355s FAQs

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Q12: I feel my E355s getting hot after long hours usage. Is

there safety concern?

A:

Like most other electronic devices, E355s get hotter during charge or big data transfer. It is a quite
normal phenomenon if working in regular office environment. Even if it work in hot environment,
E355s will automatically power off if its temperature reach 85 ℃ for safety protection.

Q13: How can I get version information of my E355s？

A:

Click   " ", then you can see
software & hardware version of your E355s.

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Q14: Duration statistics of the Internet connection are not

accurate.

A: This is a bug in earlier versions. You can click Clear History to delete all current wrong statistics.

E355s FAQs

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Q15: Will the Mobile WiFi connect to the Internet

automatically if I roam to a different network?

A:
Please check the connection mode of your Mobile WiFi firstly.

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 Manual mode: You can launch the web management page and follow the prompts to

connect to or disconnect from the network. The network connection is irrespective of roaming
state of the network.

 Auto mode:

 Select Automatically connect even when roaming: E355 will automatically connect to

internet network even your are roaming.

 If Automatically connect even when roaming is unselected, it will automatically

disconnect the established network connection If you are roaming you must re-establish
a network connection If you need.

Q16: Clients connected to the Mobile WiFi cannot

communicate with each other.

A: If access point (AP) isolation is enabled, clients connected to the Mobile WiFi cannot communicate
with each other. If AP isolation is disabled, clients connected to the Mobile WiFi can communicate with
each other.

Q17: Why can not I access the management page by desktop

shortcut when connected?(On Windows XP System)

A ： This scenario will only appear on the OS Windows XP ， and it is because of the
installation of IPv6 protocol. You can uninstall IPv6 protocol, or use the gateway IP 192.168.1.1
to access management page.