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Thank you for purchasing the GPS tracker. This manual shows how to operate
the device smoothly and correctly. Make sure to read this manual carefully
before using this product. Please note that specification and information are
subject to changes without prior notice in this manual. Any change will be
integrated in the latest release. The manufacturer assumes not to be
responsible for any errors or omissions in this document.
1. SUMMARY
Working Based on existing GSM/GPRS network and GPS satellites, this
product can locate and monitor any remote targets by SMS or internet. The
most advanced technology of GPS and A-GPS dual positioning.
50mm x 50mm x 20mm(1.96”*1.96”*0.78”)
Cold status 45s
Warm status 35s
Hot status 1s
Chargeable changeable 3.7V 1000mAh Li-ion battery

Left-GREEN-Continuously lit
GPRS communication established.
Right-BLUE-Continuously lit
Searching for GPS signal.
2. INSTALLATION
2. 1 SIM-CARD INSTALLATION
Once the SIM card has been purchased and credit added, unscrew the tracker
using the screwdriver to remove the 4 small screws in each corner.

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Then, insert the SIM card into the SIM card holder by push the metal piece
forward and lifting it up, Place the SIM-card into the card slot, Press the metal
piece back into its original position and push the metal piece back into place.
If you have purchased a MICRO SIM , you will need to use the Micro SIM adapter
enclosed, like this:
Ensure you place the SIM card with the chip face down and the right way
round, clip the holder into place and re-screw up the unit.
2.2 USE THE GPS DEVICE
Turn on the unit outdoors by pressing the “on/off” button until the indicator
For first use, please initialize the unit and restore it to default setting.
(Please refer to 3.1 for instruction.)
In 10 or 40 seconds, the unit will begin to work and acquire the GSM
signals as well as the GPS signals. The indicator will keep flashing every

3 seconds when the unit has received the signals.
When this unit receives GPS signals normally, you can use it and do any
setting as the instructions of this manual.
2.3 EXPLANATION OF PARAMETERS/CODES IN SMS MESSAGE
1. Google Maps link: This is the link to the Google map showing the position
of the tracker unit.When click the link, if a map is displayed, there is GPS
information for the unit. If there is no may, there is no GPS information for
2. V:A/V: Indicates GPS signal. V:A indicates there is a GPS signal; V:V
indicates there is no GPS signal.
3. 2014-07-29 06:41:43 The date and time stamp when the unit last received
4. S: 007km/h: This indicates the last known speed of the unit.
5. Bat:80% The approximate amount of battery charge remaining. The value
is between 1 0%and 100%, with 100% being fully charged.
6. 4109112546: The ID code of tracker device. This number is used for
tracking website and the app.
1) Call the SIM-card phone number in the device by other cell phone
2) Receive a Google Maps link by SMS to your mobile phone
3) Click on the Google Maps link
4) Now it displays the position of device.

noadmin123456 phone number
timezone123456 8
Timezone123456 -8
Sleep by time (default mode-save much
power,tracker will fall asleep in 5
minutes)
sleep time ok
Sleep by shock sensor(Suits for
tracking on platform)
Sleep shock ok
No sleep(tracker will continuou working)
Switch to the NO GPRS mode(default
mode)
Switch to the GPRS mode(for tracking
online )

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3.2 ONLINE TRACKING
3.2.1 Turn on GPRS function by sending comand “ gprs123456” to the
tracker, and set the apn for tracker, then online tracking will work .
APN information is from sim card carrier ,every sim card carrier has
different APN information, there are two ways to find APN out: check sim card
carrier on internet or put sim card into own cell phone to find check APN
3.2.2 COMMAND INSTRUCTION TO SET THE ACCES POINT NAME (APN)
3.2.2 START ONLINE TRACKING
Note:must set apn at first
Set new
APN
( old one
will be
replaced)

Platform : 2.tkstargps.net/
IMEI No. : On the back side of cover
3.2.3 APPLICATIONS FOR ANDROID/iOS
Search “TKSTAR“ in the Apple App Store/Google Play
Store or Scan the QR Code to install the applications on
your cell phone.
Select “Log in by IMEI” on the
bottom of screen
Server: 2.tkstargps.net
IMEI : on the back side of cover
Password: 123456
Note:
When the device can't get GPS signal in one minute or in sleep mode, it will reply history
position (V:V ); the device will send real time tacking information until it get GPS
signal (V:A).
Make sure that all the symbol“+”in sms commends is just for quick understanding, which don’t need
to
enter “+” in sms, and “space” means press the space bar button of the cell phone.
When the device location show different with map, there are two kinds of circumstances, 1.Device in
sleep condition, 2 No GPS signal;Solution: Dial SIM Card Number in the Device, if only reply one

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SMS with "V:V", it means no GPS Signal; If reply one SMS, with "V:A", it means device in sleep
model;
(Note: We advice use Shock Sleep Model when driving)