TK935
SIM preparation, power-on, SMS positioning, app access, APN setup and alarm configuration.
Open Manual
WINNES SUPPORT CENTER
Support & User Manual Center
Find quick answers for setup, SIM cards, mobile network connection, offline trackers, GPS accuracy, app login, alerts and model-specific user manuals — all in one redesigned support page.
Help Topics
Browse support by issue type, including app login, APN, GPS accuracy, alarms and troubleshooting.
Browse HelpFAQ
See quick answers for common support questions from the current WINNES contact/support page.
View FAQContact Support
Need more help? Contact WINNES support and include your tracker model, Device ID and issue details.
Get SupportBrowse Help Topics
Choose the area that best matches your question. This section combines the structure of the current WINNES support page with the deeper setup guidance from the user manual center.
Getting Started
Set up your tracker, identify the correct SIM version, find the Device ID, choose the right app and complete first login.
View HelpSIM Card & Network
Solve SIM activation, APN, mobile data, carrier connection, LTE / 4G issues and data plan questions.
View HelpGPS & Location
Understand GPS vs LBS, outdoor positioning requirements, wrong-location reports and weak-signal conditions.
View HelpApp & Offline Issues
Fix Offline, Inactive, Not Enabled, login and tracking platform connection problems on app or web.
View HelpAlerts, Battery & Sleep Mode
Learn how smart alerts, movement wake-up, battery usage and sleep mode affect real-world operation.
View HelpTroubleshooting
Start here if the device does not reply by SMS, appears not to work, or cannot connect to the platform.
View HelpUser Manual Center
Select your GPS tracker model and SIM type. Guide A is for users providing their own SIM card. Guide B is for compatible models using the included IoT SIM.
TK915
Own-SIM setup guide covering SIM preparation, SMS positioning, app access and APN configuration.
Open ManualTK913
Own-SIM setup, location commands, online tracking, APN configuration and alert settings.
Open ManualTK905 / TK905B / TK905C
Combined TK905-series guide covering SIM setup, app login, APN configuration and alarm commands.
Open ManualTK901
SIM requirements, SMS location, app/web login, APN and basic tracker settings.
Open ManualIncluded IoT SIM Guide
For compatible models using the SIM supplied with the tracker. Use this route instead of the own-SIM APN workflow.
Open Guide BQuick Start Guide
This condensed setup path combines the most common first-use steps described across the current manual pages.
1
Prepare the SIM
Activate the SIM, confirm SMS and mobile data service, disable the SIM PIN and keep the SIM phone number available.
2
Charge & Power On
Charge the tracker first, insert the SIM correctly, then power on the tracker using a standard 5V charger.
3
Get Location by SMS
Send G123456# to the tracker SIM number to request the current location and map link.
4
Open App / Web Platform
Log in with the Device ID or user account. If the tracker is not online, verify carrier APN or subscription status.
GPS note: For the first position test, move the tracker outdoors to an open area with a clear view of the sky. Buildings, garages, tunnels and metal shielding can block GPS signals.
Common SMS Commands
These commands are commonly referenced in the current WINNES / TKSTAR manual flow for own-SIM devices. APN details depend on the carrier used with the SIM card.
| Command | Function | Description |
|---|---|---|
| G123456# | Request location | Returns the current GPS / LBS position with a map link. |
| apn123456 [APN] | Set APN | Set the carrier APN name for mobile data access. |
| apnuser123456 [USER] | Set APN username | Only required by certain carriers. |
| apnpasswd123456 [PASS] | Set APN password | Only required by certain carriers. |
| admin123456 [NUMBER] | Set admin phone | Authorize a phone number for supported alert functions. |
| timezone123456 [+/-X] | Set timezone | Adjust time shown in tracker responses. |
| speed123456 [XXX] | Enable overspeed | Turn on the overspeed alert threshold. |
| nospeed123456 | Disable overspeed | Turn off overspeed alerts. |
| shock123456 | Enable vibration alert | Activate vibration / shock alarm on supported models. |
| noshock123456 | Disable vibration alert | Turn off vibration / shock alerts. |
| Reset123456 | Reset tracker | Reset the tracker settings. |
| Begin123456 | Initialize settings | Clear most settings while retaining APN on supported models. |
App & Web Login
Use the right login method depending on whether you manage one tracker or multiple devices.
Single Tracker Login
Use the Device ID printed on the tracker or packaging. Depending on the device version, the initial password may be the last four digits of the Device ID or 123456.
Multi-Device Management
Use a user account if you manage multiple compatible GPS trackers. This is the recommended route for users monitoring several devices in the WINNES app or web platform.
Troubleshooting
Start with SIM status, APN / subscription status, power, network coverage and GPS visibility. These are the most common causes described in the published help content and manuals.
No SMS reply
- Confirm the SIM PIN is disabled.
- Check the SIM orientation and reinsert it if necessary.
- Use a SIM that supports ordinary SMS and mobile data where applicable.
- Check signal, SIM balance / data and tracker power.
- Send the command from the phone's standard SMS app.
App shows “Not Enabled” or the tracker is not online
For own-SIM versions, verify SIM data, coverage, Device ID and APN settings. For subscription or built-in IoT SIM versions, confirm activation / subscription status before changing anything.
Wrong location or poor accuracy
Check whether the position is a true GPS position or a less accurate LBS / cellular estimate. Move the tracker outdoors with a clear view of the sky before assuming a hardware issue.
Tracker shows Offline or Inactive
Offline does not always mean defective. Some models enter a power-saving state while stationary. Movement, vibration, low battery, no data service, poor coverage or incorrect APN can all contribute.
No app alarm notifications
Enable notification permissions for WINNES GPS. On Android, allow background activity and review battery optimization settings if alerts are delayed or blocked.
Frequently Asked Questions
These are the most useful high-frequency questions highlighted on the current WINNES support page, reorganized into a cleaner layout.
Does a WINNES GPS tracker need a SIM card?
A GPS tracker uses satellites to determine position, but it normally needs a mobile-data connection to send that location to the tracking platform. Depending on the version, the tracker may use your own SIM, an included subscription SIM or a built-in IoT SIM.
Where can I find the Device ID and how do I log in?
The Device ID is usually printed on the tracker or packaging. For a single tracker, use ID login. Depending on the version, the initial password may be the last four digits of the Device ID or 123456.
What should I do before first use?
Charge the tracker, confirm the tracker / SIM version, activate the SIM or subscription, power on the device and test outdoors. Under good conditions, allow about 2–5 minutes for the first GPS fix.
What SIM card do I need if I use my own SIM?
Use an activated SIM that supports the mobile network required by your tracker and includes mobile data. Disable the SIM PIN. If you need SMS commands, the plan must also support ordinary SMS.
What is an APN and when should I check it?
APN stands for Access Point Name. It tells an own-SIM tracker how to connect to the carrier’s mobile-data network. You mainly check it when an own-SIM tracker cannot come online.
Why does my tracker show LTE / 4G but the app is Offline?
Cellular registration does not always mean a working data session exists. An incorrect APN, SIM-plan restriction, weak coverage or a temporary network issue can still prevent communication with the tracking platform.
Can a 2G tracker be upgraded to 4G?
No. 2G and 4G trackers use different cellular hardware. A 2G-only tracker cannot be converted to 4G through an app setting, SMS command, reset or a normal firmware update.
Why is GPS less accurate indoors or underground?
Satellite signals can be weakened or blocked by buildings, concrete, tunnels, underground parking and large metal obstructions. Move the tracker outdoors before deciding that the GPS hardware has failed.
Why does the app show Not Enabled?
For own-SIM versions, verify SIM data service, Device ID, coverage and APN. For subscription or built-in IoT SIM versions, confirm activation or subscription status. If the issue continues, contact support with the Device ID and a screenshot.
Why does the tracker come online only when the vehicle moves?
Some trackers use movement-based power saving. They reduce activity while stationary, then wake, reconnect and resume uploads when motion or vibration is detected.
Contact WINNES Support
If you still need help, send your tracker model, Device ID and a short description of the issue to our support team.
Before You Contact Us
Please prepare the tracker model, Device ID, screenshots if relevant, and whether you are using your own SIM or the included / subscription SIM.
Best Contact Topics
Account login, activation status, Not Enabled, subscription / IoT SIM issues, offline trackers, and model-specific troubleshooting.