Connecting a Wi-Fi endoscope to a smartphone: a complete guide from A to Z

Wireless Wi-Fi-enabled endoscopes have become indispensable tools for diagnosing hard-to-reach areas, from car engines to plumbing systems. However, many users encounter difficulties when first connecting the device to their smartphone. Unlike traditional USB endoscopes, Wi-Fi models require network configuration, choosing the correct operating mode and sometimes even manual configuration of IP addresses.

In this article, we'll cover all the connection steps—from unpacking the endoscope to fine-tuning the app. We'll pay special attention to common mistakes, such as no image, connection drops, or incompatibility with some phone models. You'll also learn how to integrate the endoscope into your home Wi-Fi network for remote access and which router settings can affect signal stability.

What is a Wi-Fi endoscope and how does it work?

A Wi-Fi endoscope is a compact camera on a flexible cable that transmits video. wirelessly to a smartphone, tablet, or computer. Unlike wired devices, these devices don't require a physical connection to the receiver, significantly expanding their range of applications. Key components:

  • 📷 Camera - usually with permission from 640×480 to 1920×1080 (Full HD), equipped with LED backlight.
  • 📶 Wi-Fi module - creates its own access point (in mode) AP Mode) or connects to an existing network (mode Station Mode).
  • 🔋 Battery — capacity from 500 to 5000 mAh, which determines the battery life (from 1 to 6 hours).
  • 📱 Application — proprietary software for viewing videos, controlling the camera, and recording media files.

Most models (eg Borescope Teslong, DEPSTECH DS450 or YINAMA>) support both operating modes:

  1. AP Mode (Access Point) — The endoscope creates its own network, which the smartphone connects to. Suitable for field use without access to a router.
  2. Station Mode — the device connects to an existing Wi-Fi network (e.g., your home network). Allows you to stream video to multiple devices simultaneously.
📊 Which connection mode do you use most often?
AP Mode (own network)
Station Mode (via router)
I don't know what this is
I haven't connected it yet.

It is important to understand that In AP Mode, the endoscope does not have access to the Internet. — it only transmits video to the connected device. For remote viewing (for example, via the cloud), you will need Station Mode and additional router settings.

Preparing for connection: what you will need

Before you begin setup, make sure you have everything you need:

Download the proprietary app for your endoscope model|

Charge the endoscope battery (at least 50%)|

Prepare a smartphone with Wi-Fi support (Android 5.0+/iOS 9.0+)|

Make sure there is no interference (other Wi-Fi devices, microwaves)|

If necessary, data from your home Wi-Fi network (name and password)

-->

List of popular applications for different models:

Endoscope model Application (Android) Application (iOS) Supported modes
DEPSTECH DS450/DS600 DEPSTECH DEPSTECH View AP + Station
Teslong NTS500 Teslong Scope Teslong Scope AP only
YINAMA 5.5mm WiFi Endoscope Endoscope WiFi AP + Station
SANNCE S01 SANNCE Endoscope — AP only

If your model isn't listed in the table, the app name is usually listed in the instructions or on the box. For universal endoscopes (without a brand name), IP Webcam or WiFi Endoscope from Google Play/App Store.

⚠️ Attention: Some endoscopes require mobile internet shutdown on your smartphone before connecting in AP Mode. Otherwise, the phone may automatically switch to LTE/5G, disconnecting from the camera.

Step-by-step instructions: connecting in AP Mode

This mode is the simplest and suitable for most tasks. Follow the algorithm:

  1. Turn on the endoscope. Press and hold the power button for 3-5 seconds until the Wi-Fi indicator (usually blue or green) lights up.
  2. Activate Wi-Fi on your smartphone. Go to Settings → Wi-Fi and find a network with the name of the type DEPSTECH_XXXX, Teslong_XXXX or Endoscope_XXXX (where XXXX is a unique identifier).
  3. Connect to the endoscope network. The default password is usually 12345678, 88888888 or specified in the instructions. If the network requires a password and it doesn't work, reset the endoscope (see the section on errors).
  4. Launch the app. Open the proprietary software—the camera image should appear automatically. If not, click the button. Connect or Start in the menu.

In some applications (eg. DEPSTECH) you will need to manually specify the endoscope's IP address. Default values:

  • 🌐 IP address: 192.168.1.1 or 192.168.0.1
  • 🔒 Port: 8080 or 35000

To record videos or photos, use the corresponding buttons in the app interface. Files are saved in the smartphone gallery folder. Endoscope or DCIM/Camera.

Connecting via a home router (Station Mode)

This method is more complicated, but allows you to:

  • 📶 Connect multiple devices to the endoscope simultaneously.
  • 🌍 Stream video over the Internet (for example, for remote diagnostics).
  • 📱 Use your smartphone for other tasks (calls, instant messaging) without losing the connection.

Instructions for the regime Station Mode:

  1. Switch the endoscope to Station mode.
    • For DEPSTECH DS600: Press and hold the Wi-Fi button for 5 seconds until the indicator light starts flashing orange.
    • For YINAMA: in the application, select Settings → Wi-Fi Mode → Station.
  • Connect the endoscope to the router.
    • In the list of Wi-Fi networks on the endoscope (displayed in the application), select your router.
    • Enter your home network password.
    • Find the IP address of the endoscope. In the application or through the router's web interface (section DHCP Clients or Connected Devices).
    • Connect your smartphone to the same router. Launch the application and enter the IP address of the endoscope manually.
      • ⚠️ Attention: Some routers block connections from "non-standard" devices (for example, those with MAC addresses typical for endoscopes). If a connection fails, disable this feature in your router settings. AP Isolation or Client Isolation.

      For remote access (for example, via the Internet), you will need:

      1. Tune Port Forwarding on the router.
      2. Use dynamic DNS (For example, No-IP or DynDNS), if you have a dynamic IP.
      3. Install a remote access application on your smartphone (for example, TinyCam Pro).
      How to set up port forwarding for an endoscope?

      1. Go to the router's web interface (usually 192.168.1.1 or 192.168.0.1).

      2. Find the section Port Forwarding or Virtual Servers.

      3. Add a rule:

      - External port: 8080 (or another free one).

      - Internal IP: IP address of the endoscope (e.g. 192.168.1.100).

      - Inland port: 8080.

      4. Save the settings and reboot the router.

      Common errors and their solutions

      Even with a proper connection, problems can still occur. Consider the following scenarios:

      Problem Possible cause Solution
      The endoscope does not create a Wi-Fi network. The battery is dead or the Wi-Fi module is faulty Charge the device, reset the settings (Reset button)
      The smartphone connects, but there is no image. Invalid IP address or port in the application Check your connection settings (standard: 192.168.1.1:8080)
      The connection drops every 10-30 seconds Interference from other Wi-Fi devices or a weak signal Move closer to the endoscope and turn off other gadgets.
      The app doesn't detect the endoscope in Station Mode. The router is blocking the device or the DHCP settings are incorrect. Assign a static IP address to the endoscope in your router settings.

      If the endoscope is not detected in any mode:

      1. Try connecting it to another smartphone or tablet.
      2. Update the endoscope firmware (if available in the app).
      3. Contact the manufacturer's support - some models require activation via QR code (For example, SANNCE S01).

    Optimizing signal and video quality

    The quality of the broadcast depends on several factors:

    • 📶 Signal strength: The further the smartphone is from the endoscope, the worse the connection. The optimal range is up to 10 meters in AP Mode.
    • 🔋 Battery charge: When the battery level drops below 20%, the endoscope may automatically reduce the video resolution.
    • 📱 Smartphone performance: Older devices (e.g. with Android 6.0) may not support high resolutions.

    Tips to improve stability:

    • 🔄 Change Wi-Fi channel On the endoscope (if supported). In the app settings, select a channel with minimal interference (e.g., 6 or 11).
    • 📡 Use an external antenna (if there is a connector) to amplify the signal.
    • 🎥 Disable autofocusIf the image is jumping, manually set the focal length in the app.

    For professional use (e.g. engine inspection) we recommend:

    • 🔦 Additional LED backlight (if the kit includes a removable flashlight).
    • 🛠️ Magnetic holder for fixing the endoscope in hard-to-reach places.
    • 📹 External battery (power bank) to extend operating time.
      • ⚠️ Attention: When using an endoscope in high humidity conditions (for example, for inspecting pipes), make sure that the model has an protection class IP67 or IP68Otherwise, water ingress may damage the device.

      Compatibility with different devices

      Not all smartphones work equally well with Wi-Fi endoscopes. Key limitations:

      Device Problems Solution
      iPhone (iOS) Some models do not support connection to ad-hoc networks (AP Mode) Use Station Mode or special adapters (eg. Lightning-to-USB)
      Android 10+ Restrictions on connecting to offline networks In the Wi-Fi settings, disable the option Automatic connection to the Internet
      Windows tablets Lack of proprietary applications Use a browser (enter the IP address of the endoscope) or universal programs (IP Camera Viewer)
      Smart TVs No support for specialized protocols Connect the endoscope to your router and stream video via DLNA or Chromecast.

      For iPhone If you have problems in AP Mode, try:

      1. Update iOS to the latest version.
      2. Turn on the mode Airplane mode for 10 seconds, then disconnect and reconnect.
      3. Use alternative apps such as WiFi Camera.

      On Android with newer OS versions (12+) it may be required location permission to connect to Wi-Fi networks. This is a security requirement; please allow access in the app settings.

      FAQ: Frequently Asked Questions about Wi-Fi Endoscopes

      Is it possible to connect an endoscope to a laptop without a smartphone?

      Yes, but you will need:

      1. Wi-Fi adapter (if the laptop does not have a built-in module).
      2. Program for viewing IP cameras (for example, VLC Player or iSpy).
      3. Entering the IP address of the endoscope in the format http://192.168.1.1:8080 in the browser.

      Some models (eg DEPSTECH DS600) support USB-C connection to a laptop in webcam mode.

      How do I reset my endoscope to factory settings?

      Reset methods:

      • 🔄 Reset button: Press and hold for 10-15 seconds (usually located next to the charging port).
      • 📱 Via the app: Some models have this option Factory Reset in the settings.

      After reset, the endoscope's Wi-Fi network will be named by default (for example, DEPSTECH_XXXX), and the password is 12345678.

      Why does the endoscope get hot during operation?

      Heating is a normal phenomenon for devices with a Wi-Fi module and LED backlight. However, if the case becomes hot (above 50°C), this may indicate:

      • 🔋 Defective battery (swelling, leaking).
      • 📶 Wi-Fi module overload (for example, when broadcasting in 4K).
      • 💡 Short circuit in the backlight circuit.

      Recommendations:

      • Let the endoscope "rest" every 30–40 minutes of operation.
      • Use an external power source (such as a power bank) instead of the built-in battery.
      Can an endoscope be used underwater?

      Only if the model has IP68 waterproof certificate. In this case:

      • 🕳️ The maximum diving depth is usually limited 1–3 meters.
      • ⏱️ Continuous operation time underwater is no more than 20–30 minutes (due to the risk of connector corrosion).
      • 🔋 After use, rinse the device with fresh water and dry for 24 hours.

      Models without IP68 can be used in wet conditions (for example, for pipe inspection), but immersion in water will cause damage.

      How to increase the range of an endoscope's Wi-Fi?

      The standard range in AP Mode is 10–15 meters. To increase the range:

      • 📡 Use Wi-Fi repeater (signal repeater).
      • 🔌 Connect the endoscope to the router in Station Mode and use Mesh system to cover a large area.
      • 📶 Replace the standard antenna with external with 5–9 dBi gain (if the connector is removable).

      For industrial tasks (for example, inspection of high structures), endoscopes with external transceiver (For example, Teslong NTS500 Pro).

    • 📖 Read also

    Wi-Fi in the lobby: what it is and how to connect to the hotel's guest network Let's figure out what Wi-Fi in the lobby means, how it works, how it differs from numbered Internet and how Where is Wi-Fi in Oryol: a map of hotspots, passwords, and tips A complete guide to free Wi-Fi in Oryol: parks, shopping malls, transportation, and cafes. Network list, passwords, and speeds. How to Enable WiFi Sharing on a Laptop in Windows 8: Step-by-Step Instructions A simple guide to setting up WiFi sharing on Windows 8. Create an access point using the command line. The modem isn't distributing Wi-Fi through the router: 12 reasons and solutions (2026) Why is there internet via cable, but Wi-Fi isn't working? We'll explore the problems with modems, routers, and How to top up your Wi-Fi: 5 ways to pay for internet without making mistakes Detailed instructions on how to top up your Wi-Fi balance from your provider: through your personal account, banking How to Share Wi-Fi from Your Phone to a Router: Step-by-Step Instructions (2026) Learn how to turn your smartphone into an internet source for your router via Wi-Fi. Detailed diagrams for A