ZTE MF612 Router Manual PDF (Setup & Configuration Guide)

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You can change the password for administrator only. You can change

the account and password for user. Click

Apply

to confirm your

configuration.

4. Upgrade

Select

Advanced

→

Upgrade

to upgrade the software version of the

router.

Click

Browse...

, locate the latest software version, and then click

Upgrade

.

Note

: Do not upgrade software unless necessary. Wrongly upgrade

action may cause router malfunction or even stop it from operation.

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5. Restore

Select

Advanced

→

Restore

, click

Restore

to set all the settings to

their factory default values, and the device will be turned off.

6.Shutdown

Select

Advanced

→

Shutdown

, click

Shutdown

to turn the router off.

Note

: Router is powered off only when the PWR indicator is off. And do

not press the power switch during the shutdown process.

7. PIN Manage

Select

Advanced

→

PIN Manage

, the PIN manage is shown in the

following figure:

If you select

Modify

, the modification parameters are shown in the

following figure:

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43

Type the old PIN code, and then type two times the new PIN code.

Click

Apply

to confirm your configuration.

Note

: Three time consecutive wrong PIN code entries will lock the

USIM card.

4.3 Logout

Select

Logout

, a pop-up windows will appear as shown in the

following figure :

Click

OK

to logout the router.

4.4 Disconnecting from the Internet

If you want to terminate your Internet connection, you can select

Disconnect Internet

from

WAN Connection

page, and click

Submit

.

Turn off the router can also terminate Internet connection.

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44

5 Troubleshooting

1) Make sure that the router is turned on and all the cables are

connected correctly.

2) Check the RSSI, PPP and PWR LED’s are lit and NOT in a blinking

state or off.

A) Voice Related Problems

Symptoms

Possible Problems/ Solutions

No Dial Tone.

Please wait for 1~2 minutes

after the router is turned on.

If RSSI is blinking, you have no

good RF reception. Change the

location of the router.

There is a prompt/ phone alert/

announcement as soon as I lift

the phone off the hook.

Make sure your USIM card is

inserted correctly and the PIN

number has been entered. If the

PIN number has been entered

incorrectly then you will need to

enter the PUK code when

prompted.

The line is noisy/ distorted when

I lift the phone off the hook.

Remove any electrical appliance

which is too close to the phone

or router.

The cable or phone set might be

faulty.

I hear a rapid engaged tone as

soon as I lift the phone off the

hook.

Put the phone on hook and try

again. If you are connected to

the internet using the 2G (GSM)

network, please disconnect this

first.

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Symptoms

Possible Problems/ Solutions

After dialing the last digit I hear

nothing /silence.

When you have finished dialing

wait 4-8 seconds to connect the

call.

I can’t make or receive a call

when I am surfing on the net.

If you are connected using the

2G (GSM) network then you

cannot surf the net and make a

phone call simultaneously.

Please disconnect the internet

and wait 30 seconds to 1 minute

before making a call.

B) Internet Related Problems

Symptoms

Possible Problems/ Solutions

I cannot access the internet at

all.

Please check your configuration

settings.

Please wait 1~ 2 minutes for the

router to initialize.

Check your service indicator

LED’s.

The download or upload speeds

are very slow.

The speed is dependent on

signal strength. Check your

signal strength and network

type.

C) Others

Symptoms

Possible Problems/ Solutions

The RSSI signal indicator is

always blinking or does not light.

This indicates poor reception.

Try moving the router to another

location near the window.

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