ZTC ZT3688 User manual

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ZT3688
Colour screen GSM\GPRS Dirital Mobile
Manubook

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CONTENT
1 THE BASIC..........................................................................
2BEFORE USE....................................................................
3QUICK START GUIDE ............................................................
4FEATURES
5INPUTMODE...................................................................
6TROUBLESHOOTING....................................................
7APPIX
ENGLISH

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1 The Basic
1.1 Brief Introduction
Thank you for choosing the ZT3688 ultra-slim touch display digital mobile phone. After reading this guide you
will be able to fully master the use of your ZT3688 mobile phone and appreciate all its functions and ease of use.
ZT3688 ultra-slim touch displayer digital mobile phone is designed for use on the GSM/GPRS networks. Not
only does the ZT3688 divide you with basic calling functions, but also with many practical function such as smart
English and Chinese input, a name card style phonebook, personalized 64 incoming ring tones and pictures, world
clock/alarm, Digital camera & Video, audio & Video player (MP3&MPEG4), Tran Flash Card, voice recorder,
calculator, automatic power on/power off, To do list, GPRS, MMS, Bluetooth, two SIM card, etc, practical functions to
improve the time you spend working and playing. Moreover, the ZT3688 uses a personalized man-machine interface
and the perfect functional design will satisfy all your needs. TheZT3688 ultra slim slide touch screen mobile phone is
compatible with GSM/GPRS technology and has been approved by certification authorities.
“Our company” reserves the right to revise this manual content without prior notice the user manual only for your
reference, all functions is confirmed by your mobile.
1.1.1 Warning and Safety
Please read these safety guidelines before using your mobile phone to assure the safe and proper use
of the phone.
Place your phone out of reach of children to be against being hurt

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Car Driving Safty
Please place your phone on special car-fit but not on car seat which is easy to drop, otherwise it would cause great
damage to you and o0thers. Please obey local regulations when using your mobile phone.
By Air
When by air you should power off your mobile phone.
Near flammability and Expostion
Please obey laws, regulations and signs when near an area flammability and Expostion
Near dangers Power Off
Please obey laws, regulations and signs when near an area storing fuel, chemicals, or volatile materials.
In Hospital
Please turn off your mobile phone on airplanes, in hospitals and in other locations with restricted mobile phone use,
otherwise the normal operation of electrical equipment and medical instruments will be affected. Please obey local
regulations when using your mobile phone
Interference
Radio wave interference may cause the malfunctioning of such electronic equipment and other problems.

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Professional Service
Only professor can install the mobile phone. If not abey the corresponding rules and regulations, it would cause
danger
Accessories and Battery
In order to prevent damage to your mobile phone, only accessories, designated by your manufacturer such as
batteries and charge, may be used with your mobile phone. The use of other batteries or chargers could result in
battery leakage, overheating, cracking, fire or other malfunctions.
Rational Use
Please do not subject your mobile phone to high temperatures, high humidity or dusty places; otherwise this may
lead to the malfunction of your mobile phone
Emergency Call
When power on, your mobile can dial emergency call such as 112, 110 and 119. dial the number and say the people
concerned about what happened and where but not hang up without notive when the call is through
Note:This sevice is provided by the local telecoomunication operators, if no service, you have to cotact with
them

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2 Before Use
2.1 Names of Parts and Introduction
2.1.1 Phone Layout
1. Charger/Data/earphone Jack；2. Stylus；3.light sensor；4.Earpiece；5. LCD display；6. keypad；7.side key；8.
Camera key；9. 8. Camera；10. viewfinder；11. Speaker；12. Battery cover；13. microphone

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2.1.2 Keypad Function
1. Dailing Key: Dial a phone number and answer a call; in standby, show all call lists;
2. End Key: End or reject a call; return to standby mode; press and hold can turn the phone on/ off;
3. Left Soft key: Carry out the operation at the down left of display.;
4. Right Soft key: carry out the function at the down right of display;
5. Number Keys: 0-9 Number Keys, enter numbers and characters; select menus directly; 2-9 number keys, can
set as speed dials shortcut;0 number (Speed –Dial number should be kept in Phonebook).
0 key：Press and hold 0 key ,you can select which SIM Card you need.
6. Navigation（Up/Down）Key：Scroll to browse name, phone number, messages, MMS or submenu; in editing
mode to move the cursor; in standby mode, press Up key to enter [video recorder] menu,press Down key
to[alarm clock] menu;
7. Navigation（Left/Right）Key：scroll the cursor left or right in editing mode; in standby mode, press Left key to
acces[Write messages], press Right key to access [ringtone setting] ；in digital camera capturing mode ;
press Left/Right Key adjust the Exposure wake-up parameter in -4－+4. in some submenu mode, press

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Left/Right Key to shift main manu items.
8. *Key: Have various functions in different modes and menus;
9. #Key: Have various functions in different modes and menus;
Note：In this User Manual, Press ** Key which means pressing then undo it. Press ** Key and hold it which
means keep pressing the key for more than 2 seconds.1,2 are called by a joint namewith Navigation key.
2.1.3 Side key function
Your mobile phone has convenient side key function。Users don’t operate it, and then the handset will be off the
back light of display.
In the main manu and every submenu mode, press Right side key scroll to browse various manu.
When the backlight is off and the phone is unlocked, press side key to activate backlight。
During calling，Press Right side key to modulate earpiece’s volume, press Up/Down key to confirm。
In the standby mode and the phone is unlocked, Press Right side keyto adjust keypad volume.
When the alarm sets “On”, it will alarm while time is up, press volume key to stop alarm。
In the standby mode and when the backlight is on, Press Camera key or click “ ” icon,jump out the camera

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capturing interface, press Right side key to switch the background flan of the photo.
In music player interface, when the music is playing or pause, press Right side key to adjust the volume of
music, when in standby interface and the music is playing in background mode, press Right side key to
modulate the volume of music, press and hold Right side key to switch the song in the palylist. When playing
video or voice recorder, press Right side key to modulate the volume of music or voice recorder.
2.1.4 Icon
Icon Name Displa area Icon Name Display area
Strength of signal Icon area You have new message Icon area
GPRS is connected Icon area No Voice Mail Icon area
Keypad is locked Icon area Calling recorder Icon area
Keypad is unlocked Icon area No WAP Service Icon area
vibrating Icon area Alarm clock is active Icon area
Vibrating and Ringing Icon area Divert all calls is active Icon area
Ringing Icon area Battery indication Icon area
Ringing after vibrating Icon area You have missed calls Icon area

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Ringer off. Icon area SIM 1Card Working Icon area
Earphone is inserted Icon area SIM2 Card working Icon area
You have missed EMS Icon area
2.2 Battery
The battery initially has a charge of about 50% and may be used directly out of the box. A new battery will reach
its nominal capacity after fully charged and discharged for about three times.
2.2.1 Remove and Replace Battery
Remove steps
①With the back of the device facing you, slide the battery cover toward the bottom of the device and remove.
②After you have removed the back cover, slide the battery, insert your finger into the finger grip and lift the battery
from its compartment.
Warning: Before removing the cover, always switch off the power and disconnect the charger and any
other device.Avoid touching electronic components while changingthe covers.

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Installation steps：
①Insert the gold-colored contact end of the battery into the battery slot and line up with the gold-colored end;
②. Push down on the other end of the battery to snap the battery into place;
2.2.2 Charge Battery (according to practicality)
connect charger with USB data wire and then with A.C outlet on one side; last connect with handset
jack on the other side
handset USB wire can connect with your PC USB jack;if connected, a prompt of charging or not would
come out; prss "NO" to keep charging

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After a few seconds, in power on mode, the battery indicator in icon area starts to scroll from bottom to top; in
power off mode, the battery indicator will also appear on display to show in charging.
If you use up the batter too much when the battery power is not enough, the charge icon maybe displays at a
moment later after charging begins;
In power on mode, when the battery indicator stops flash, the batter is completely charged. Ordinarily, the
battery needs to charge 2.5 hours (12-14 hours in the first three times to reach its nominal capacity).
Disconnect the charge after charging;
Note:
Charging must be performed in a well-ventilated area with a temperature between -10°C and +55°C. The
factory-supplied charger must be used. Using an unapproved charger could be dangerous.
If the mobile phone automatically shuts down, or indicates that the “Battery is low” you should immediately
charge the battery. If the battery has not been entirely used up before charging, the mobile phone will
automatically decrease the recharging period..
2.3 Connect Network
2.3.1 SIM Card
Before use your mobile you must insert valid SIM (subscriber identity module) card which is offered by
network operator.
With the SIM card, storing many parameters required for communications, you can use the various functions of
the device, and save personal information, including PIN (Personal Identification Number), phonebook, short
message and other extra system services. SIM card can be taken out from your mobile phone and insert to any
other GSM mobile. (A new handset can automatically read SIM card).

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In order to avoid lost and damage of information in SIM card, try to avoid touch the metal interface, and keep
SIM card far from electronic and magnetic place. Once the card has been damaged, you will not use your device
normally.
Warning: The phone must power off before remove SIM card. Please don’t touch the metal interface of card,
and place the card far from electricity and magnetism.
2.3.2 Insert and Remove SIM Card
The metal interface contact of SIM card is easily damaged. Remove it carefully before replacing.
Switch off the phone; remove power supplier and battery.
Insert SIM card into card slot..
When you need remove the SIM card, please switch off the phone and remove power supplier firstly, then
remove the SIM card.
2.3.3 Insert and Remove MemoryCard
Turn off the phone; remove the battery and unplug other external power sources.
Insert the T-Flash card as shown in the following picture.
When you need to remove the memory card, please turn off the phone before removing the card;
2.3.4 Turning the Phone On and Off
To turn on or off the phone please press and hold the End key.
If you turn on the phone without having inserted the SIM card the phone will display “Insert SIM”. After inserting
the SIM card the phone will automatically check if the SIM is usable.
The following will be displayed in this order:

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-“Enter lock code”-if your set a mobile phone password
-“Enter PIN”- if you set a SIM card password.
-“Welcome Note”-if you set a welcome note and operate this function.
-“Searching” – The phone will conduct a search to find the appropriate network connections.
2.3.5 Unlocking the Phone Lock
In order to protect against unlawful usage, a lock code may be set for your phone. If you choose this option,
then every time you turn on your phone, after entering the PIN1 (if you have set a PIN number) you must enter the
lock code before you may use the mobile phone as normal. The user may turn off the phone lock code protection.
Under such circumstances you cannot prevent the unlawful use of your mobile phone.
Press and hold the End key to turn on the mobile phone;
Enter the lock code. Press Right sofe key to delete incorrect input, finish with left soft key “OK”. For example ,
if you set a lock code as 0 0 0 0 Input as follow:
0 0 0 0 “OK”
If you forget your lock code, you must contact your retailer or local authorized repair and maintenance service
centre to have the lock code opened.
Note: Your lock code default as 0 0 0 0.
2.3.6 Unlocking the SIM card
In order to protect against unlawful usage, the SIM card uses a PIN1 (personal identification number) number. If
you choose this option, then every time you turn on your phone you must enter the PIN1 so as to unlock the SIM
card before you use the mobile phone. The user may turn off the SIM card protection under such circumstances you

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cannot prevent the unlawful use of the SIM card.
Press and hold the End key to turn on the mobile phone;
Enter the PIN1 number. Press Right soft key to delete incorrect input. Finish with pressing the left soft key
“OK”. For example ,if you set a PIN as 1234,input as follows:
1 2 3 4 “OK”
If there are continual wrong enter for three times, your SIM card will be locked by network, and the phone will
inqury PUK1.
Note: Your network provider will provide your SIM card with a standard PIN1 number (with 4-8 numbers,
default as 1234). You should change this to your own number as soon as possible.
2.3.7 Connecting to the Network
When the SIM card has been successfully opened your mobile phone will automatically search for a useable
network (“Searching” will be displayed on the screen). When the connection is made, the name of the network
operator will appear in the middle of the screen.
ZT3688 supports GPRS service. If your network operator has activated your GPRS service and your phone is
within the GPRS network area, then there will be a “G” displayed to the right of network signal strength indicator. At
this time you may access the WAP service through the GPRS network.
Note: If “Emergency only” is displayed on the screen, this means that you are already outside the
normal coverage of the network area, but you can still transmit emergency calls depending on the strength
of your signal.

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3 Quick Start Guide
3.1 Features
As a multimedia mobile phone, besides basic function, ZT3688 supports rich, practical and convenient
multimedia functions as follows:
Two SIM Card
Press and hold 0 key ,you can select which SIM Card you need.
Phone Book:
Supports to search phone number quickly as per searching conditions (eg,, name, group, etc); Every entry can
store 3 corresponding numbers; the phone have a storage of 500 entries, and phone number storage of SIM card
depends on card capacity; Supports sending SMS, MMS, copying number entry to SIM or phone, and IP calls;
support to quickly delete number record in SIM card and phone, Supports business card style phone book and
customized caller ringtone/ video/ picture.
Call records
Your mobile phone supports: To auto-save received calls, missed calls and dialled calls automatically. You may
also clear these call logs; Dial numbers from call logs；to save numbers of call logs to phone book and add them to

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black list ；to send SMS or MMS to phone numbers saved in call logs；to delete single call list and delete all selected
contents from call logs speedily ; To auto-save and view the GPRS data flow quantity.
Messages.
Your mobile phone supports messages stored in phone, totally can store 200 pieces; Support EMS ,Support
various personalized settings for SMS; to set the priority of position to save the SMS and view the capacity status of
SMS. To choose the recipient’s telephone number from the phone book entries speedily;
Audio player
Your mobile phone supports MP3 player and *.wav,*.amr,*.mid,*.imy, etc music play format.
Voice recorder
Your mobile phone supports record during a call and standby mode, in a call, you may press “option” menu to
select Voice recorder to make a recorder of the talking. The recorder files will save by .amr and .wav formart in the
[Audio] submenu under the memory card.
Memory card
ZT3688 can be used as U disk. Power off and confirm your phone is connected with your PC and then your
phone work as U disk which supports data storage; when connected with PC power on and choose “Storage” , your
phone is on as U disk; if choose “Back” your phone is on and charge saving
Network camera functions
When the mobile is power off, connected USB data lines to a PC, You can choose prompted "network camera"
Camera
You may take picture freely with built-in digital camera.
Your mobile phone supports the following personalized settings on camera: shutter mode, Brightness, Focus,
Rotation, Image effect, Photo frame, Picture size, Auto-save and sound;

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Video record
Your mobile phone supports video recorder function.
Video player
Support AVI format video player
personal assistant:
Your mobile support calculator, alarm clock, To do list functions.
Extras
Your mobile phone supports Bluetooth Calculator, Alarm, Stopwatch .UYnit converter, Currency converter
and Calendar woke function;
Organizer
Your mobile support calculator, alarm, To do list.,E-joytone,paradise of M-dog, World clock , health
functions.
Bluetooth
You may be using Bluetooth wireless technology to connect mobile phones compatible equipment.
Settings
You may make the following personalized settings to the follow options according to your usage custom: Phone
setting ,call setting, nerwork setting and security setting, you man carry out the option according to your fancy, just
like time and date ,timing power on/off, rapid dial ,call limit, call lock and so on.
Profile
You may use or set one of five profiles related to the mobile phone’s ring tone according to cases and
environments.
Network Service :
This phone support WAP and you can surf as you like. Sina Block and Sina i-ask are available free for you to link

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and browse any website as you like
Game:
Your mobile provides you with the interested game.
Input mode：
Your mobile phone supports Chinese and English input and provides the following input modes:.
3.2 Dialling
You may dial and receive calls on your phone when the symbol of your network operator appears on the screen.
The information bar on the upper left corner of the screen indicates network strength (the signal is strongest when
there are five lines visible).
Barriers greatly affect call quality, thus slightly shifting your location can increase the quality of the phone call.
In standby mode, Press number keys to enter the telephone number or click on the icon “”, if you need to
change the phone number, please press Right soft key or click sample “clear” to delete a character at left of the
cursor. Point the “save” or press Left soft key to save the number to SIM card or phone; click the “back” quit the
number inpute interface, and then click on “”or press calling key.The dialing animation will appear on the
screen during dialing. When the other party picks up the phone, the screen will display information about the call.
3.2.1 Making Domestic Calls
Press “number keys” or click the display number show in calling interphase to enter the telephone

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number, and then press“calling key”or click the icon “ ”to make a call.
You can dial domestic calls as following orders：
Area Number Phone Number Calling Key ( )
3.2.2 Calling Fixed Line Extensions
Some fixed phone extensions cannot be called directly. You must go through the switchboard before dialing the
extension. When you enter the telephone number, you may add the pause code “P” between the switchboard
number and the extension number, this phone will automatically connect you with the extension. The “P” is entered
by pressing and holding
* Key (at this time the screen will display the letter “P”).
You can dial domestic calls as following orders：
Area code switchboard number P extension number calling key ( )
Some fixed phone extensions cannot be called directly. You must go through the switchboard before dialing the
extension. When you enter the telephone number, you may add the pause code “W” between the switchboard
number and the extension number, this phone will automatically connect you with the extension. The “W” is entered
by pressing and holding *key (at this time the screen will display the letter “W”).
You can dial domestic calls as following orders：
Area code switchboard number W extension number calling key ( )