How to Connect a Second Phone to a Wi-Fi Camera: 3 Proven Methods

Connecting a second phone to Wi-Fi camera — a challenge faced by video surveillance system owners when they need to grant access to relatives, colleagues, or tenants. Unlike the initial setup, where the camera connects to the router and the main device, adding an additional smartphone requires knowledge of the nuances: from choosing the right method (cloud, local network, or QR code) to setting up access rights. Mistakes at this stage can lead to loss of connection with the camera, duplicate notifications, or even security vulnerabilities.

In this article, we will look at all the current connection methods, including step-by-step instructions for popular brands (Xiaomi Mi Home, TP-Link Tapo, Ezviz), and we'll also look at typical problems, from incorrect passwords to IP address conflicts. We'll pay special attention to security: How to restrict the second user's rights and prevent unauthorized access to the recording archive. If you've already tried adding a device and received an error like Failed to connect or Device offline, you will find solutions here.

1. Preparation: What to check before connecting

Before adding a second phone, make sure the basic requirements are met. This will eliminate 80% of common errors.

• 🔌 The camera is connected to the networkCheck the power and Wi-Fi indicator on the camera body (flashing green/blue means there's a connection to the router). If the indicator is red or off, reboot the camera and router.
• 📶 Stable Wi-Fi signal: The second phone must be within the same network coverage area as the camera. Use apps like WiFi Analyzerto check the signal level (optimally: above -60 dBm).
• 📱 The application is installed: the second phone must have the same program as the main one (for example, Mi Home for Xiaomi or Tapo for TP-Link). The software versions must match - update via App Store/Google Play.
• 🔐 Login details: Prepare the login/password for the account to which the camera is linked (for the cloud method) or the QR code/serial number of the device (for a local connection).

Critical detail: if the camera is connected via 2.4 GHz, and the second phone is trying to connect via 5 GHz, the connection will not be established. Majority of modern IP cameras (for example, Ezviz C3W or TP-Link Tapo C200) only operate in the 2.4 GHz band. Check your router settings or temporarily disable the 5 GHz network.

2. Method 1: Connecting via a cloud account (the easiest)

This method is suitable for cameras linked to the manufacturer's cloud service (Mi Home, Ezviz Cloud, Tapo Care). Its advantage is that you don't need to be on the same network as the camera, but its disadvantage is its dependence on the internet connection and possible limitations on the number of devices (for example, Xiaomi You can add up to 5 users for free).

Step-by-step instructions:

1. On main phone Open the camera app and find the access control section. Mi Home This: Profile → Devices → [select camera] → Sharing. IN Tapo: Devices → [camera] → Settings → Sharing.
2. Select an option Add user or Share deviceThe system will prompt you to enter the second user's email or phone number.
3. On second phone Open the same application and log in using the same account (if required) or confirm the invitation sent via email/SMS.
4. Assign access rights:
   • 👁️ View — real-time broadcast only.
   • 🔊 Control — rotate the camera, turn on the microphone.
   • 📼 Archive — access to recordings (may be a paid option).

Make sure the camera appears in the list of devices on the second phone|

Check motion notifications (if enabled)|

Restrict access rights for security|

Synchronize time zones on both phones (important for archiving)

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Important for Xiaomi: If the camera is linked to an account in the China region (server cn), the second user must register there as well. Invitations between different regions (cn/ru/eu) do not work.

⚠️ Attention: Some manufacturers (eg Hikvision) require confirmation of user addition via SMS or email. If you haven't received the email, check your spam folder or request a resend in your account settings.

3. Method 2: Local connection via QR code or PIN

If the cloud method is not available (for example, for cameras without cloud linking) or you want to avoid dependence on the Internet, use local connectionThis method requires both phones to be on the same Wi-Fi network as the camera.

Algorithm for QR code cameras (For example, Ezviz C6N or TP-Link Tapo C100):

1. On your main phone, open the camera settings and find the section Add a device or QR code. IN Ezviz path: Devices → [camera] → Settings → QR code.
2. Generate a QR code (usually valid for 5-10 minutes). If this option is not available, use serial number (printed on the body or packaging).
3. On the second phone, in the same application, select Add device → Connect via QR code and scan the code.
4. Confirm the connection on the main phone (you may need to enter the PIN code from the sticker on the camera).

For cameras with manual data entry (For example, Dahua):

1. In the app on the second phone, select Add manually.
2. Enter:
   • 🆔 UID/Serial Number (For example, T81234567).
   • 🔑 Camera password (by default often admin or empty).
   • 📡 IP address (find out in the router settings or through the app on your main phone).

What to do if the QR code does not scan?

The problem may be:

1. Poor lighting - point the main phone screen towards the light source.

2. Camera resolutions — on the second phone, allow the app to access the camera in the system settings.

3. Application versions - update the software or reinstall it.

4. Time of action — generate a new QR code (the old one may have expired).

4. Method 3: Connecting via a router (for advanced users)

This method is suitable for cameras that support static IP or ONVIF (a protocol for integrating with video surveillance systems). It's more complex than the previous protocols, but offers greater control, such as the ability to connect to the camera via a browser without any apps.

Steps to set up:

1. Find out local IP address of the cameraTo do this:
   • Go to the router's web interface (usually 192.168.0.1 or 192.168.1.1).
   • Find the section DHCP Clients List or Connected devices.
   • Identify the camera by name (eg. TAPO_C200_1234) and write down its IP.

On the second phone, connect to the same Wi-Fi network.

Open your browser and enter the camera's IP address. For example: http://192.168.0.100.

Enter login/password (by default it is often admin/admin or admin/empty).

If the camera supports ONVIF, use apps like ONVIF Device Manager (Android) or iVMS-4500 (iOS) to connect via protocol.

WarningSome routers block access to local IP addresses from the guest network. If the second phone is connected to the guest Wi-Fi, switch it to the main network or configure firewall rules on the router.

5. Common mistakes and their solutions

Even with the correct settings, the connection may not work. Here are the most common errors and how to fix them:

• 🚫 "Device offline" error:
  • Check if the Wi-Fi indicator on the camera is lit. If not, reboot it (unplug the power for 30 seconds).
  • Make sure that the router is not blocking the camera (there may be a MAC address restriction in the DHCP settings).
• 🔄 "Unable to connect to the network":
  • Make sure the second phone has Wi-Fi turned on and is connected to the same network as the camera.
  • If you use 5 GHz, switch to 2.4 GHz (most cameras do not support 5GHz).
• 🔒 "Incorrect password":
  • Reset the camera password to factory default (usually the button Reset on the body, hold for 10 seconds).
  • If the password has been reset but still doesn't work, check your keyboard layout (for example, English "Y" vs. Russian "N").
• 📵 "Camera not found" in the appendix:
  • Update the app to the latest version.
  • In your phone settings, allow the app to access your location (some cameras require GPS to find you).

⚠️ Attention: If the camera was previously linked to another account (for example, the seller did not unlink it before selling it), perform a full reset using the button Reset and set it up again. Otherwise, connecting the second phone will be impossible.

6. Setting access rights for the second user

Adding a second phone isn't just a technical challenge, it's also a security issue. Uncontrolled access can lead to recordings being leaked or even camera control by unauthorized individuals. Here's how to set up permissions correctly:

• 👁️ Limit archive viewing: In most applications (eg. Ezviz) you can only allow viewing live video, blocking access to records. This is relevant for tenants or employees.
• 🕒 Set a schedule: Set up access times (e.g. only from 9:00 AM to 6:00 PM). TP-Link Tapo this is done in Settings → Schedule.
• 📍 Geofences: Some cameras (eg. Xiaomi) allow you to link access to geolocation. For example, the second user will only be able to view videos when they're at home.
• 🔄 Temporary access: IN Ezviz You can grant permissions for a limited period (for example, 7 days). After the permission expires, access will be automatically blocked.

How to check current permission settings:

1. Open the app on your primary phone.
2. Go to the user management section (for example, in Mi Home: Profile → Devices → [camera] → Sharing).
3. Review the list of connected devices and their permissions. Remove unknown accounts.

7. Alternative solutions: if nothing works

If standard methods don't work, consider these options:

• 🌐 Third-party cloud services:
  • Apps like TinyCam Pro (Android) or iSpy (Windows/iOS) allow you to connect to cameras via RTSP protocol, even if the official software does not work.
  • You will need to know the RTSP address of the camera (format: rtsp://IP_cameras:554/stream1). It can be found in the camera settings or documentation.
• 🔧 Camera firmware:
  • Some cameras (eg. Xiaomi Dafang) support alternative firmware like OpenIPC, which expand connectivity options.
  • ⚠️ This is risky: flashing the wrong firmware can brick your device. Only use this if you're an experienced user.
• 📡 Wi-Fi repeater:
  • If the second phone does not catch the camera network, install repeater (For example, TP-Link RE605X) closer to the camera.
  • Connect the second phone to the repeater network - this will solve the problem of weak signal.

Last chanceIf the camera doesn't connect at all, try it on a different router. There may be a problem with the main router's settings (for example, the protocol is disabled). IGMP, required for multicast broadcasts).

FAQ: Answers to Frequently Asked Questions

Is it possible to connect a second phone to the camera without the Internet?

Yes, if the camera supports it local connectionTo do this, both phones must be on the same Wi-Fi network as the camera. Use the QR code method or manually enter the IP address. Cloud features (notifications, archive) will not work.

How many phones can be connected to one Wi-Fi camera?

It depends on the model and manufacturer:

• Xiaomi Mi Home: up to 5 users.
• TP-Link Tapo: up to 20 (but no more than 4 can watch at a time).
• Ezviz: up to 10 (with a paid subscription - unlimited).

Check your camera's documentation for limitations.

Why does the camera lag on the second phone, but work fine on the first one?

Possible reasons:

• Weak Wi-Fi signal on the second phone (check the level in the router settings).
• Background processes: Close other applications that consume traffic (for example, torrents or online games).
• Video quality settings: In the camera app, reduce the broadcast resolution (for example, from 1080p to 720p).

How do I disconnect the second user from the camera?

Log in to the app on your main phone:

1. IN Mi Home: Profile → Devices → [camera] → Sharing → [select user] → Delete.
2. IN Tapo: Devices → [camera] → Settings → Sharing → [user] → Delete.

After deletion, the user will lose access to the camera, but the videos they recorded (if downloaded) will remain on their phone.

Is it possible to connect the camera to the phone via mobile Internet (4G/5G)?

No, Wi-Fi is required for the initial connection. However, after setup, some cameras (e.g. Ezviz Cloud-based streaming services allow you to watch the broadcast over a mobile network. To do this:

1. Connect the camera to Wi-Fi.
2. Add it to the app.
3. Turn on mobile Internet on your phone - access will be via the cloud.

Local functions (such as rotation control) will not work over 4G.