Video recorders 70mai have long become a standard for car owners, combining an affordable price, high quality shooting and convenient control through a mobile application. But many users Xiaomi face difficulties when connecting the device to a smartphone for the first time - either Wi-Fi does not find the recorder’s network, or the application gives a pairing error, or the video in the gallery is displayed with artifacts. The reason most often lies not in the malfunction of the equipment, but in the nuances of the settings Android and firmware features MIUI.

In this article we will analyze all current connection methods (via Wi-Fi, Bluetooth and USB), explain how to correctly configure the application 70mai on Xiaomi, and we will provide solutions for 90% of common errors. We will pay special attention to recorder models Omni, Pro and Dash Cam A800S, as well as smartphones based on MIUI 14/15. If you have already tried to connect devices and received a message like "Could not connect to the network" or "Device not supported" —here you will find specific steps for diagnostics.

⚠️ Important: The application interface 70mai and connection algorithms can be updated. If your version of the application is very different from the one described below, check the relevance of the instructions in the official 70mai support center or in Google Play (section "What's new").

1. Preparation: what to check before connecting

Before you start pairing, make sure that both devices are ready to use. Errors at this stage lead to 70% of connection problems.

On the registrar side 70mai:

  • 🔋 Make sure that the device is charged at least 30% (if the charge is low, the Wi-Fi module may turn off).
  • 📶 Check that the indicator Wi-Fi on the recorder body flashing blue (means the module is turned on). If green is on, the network is already active, if red, an error has occurred.
  • 🔄 Update the recorder firmware to the latest version via a memory card (instructions in the section below).

On the smartphone side Xiaomi:

  • 📱 Install the latest version applications 70mai from Google Play (do not use APK from third-party sites!).
  • 🌐 Enable mobile data —they will be required to authorize your account 70mai.
  • 🔒 Disable VPN, proxies or applications like AdGuard —they can block the connection to servers 70mai.
  • 📵 Make sure that the mode "Traffic saving" or "Background limitation" in the settings MIUI is not applied to application 70mai.

Make sure the recorder is turned on and charged|Download the official 70mai application|Enable mobile data on Xiaomi|Disable VPN and ad blockers|Check the Wi-Fi indicator on the recorder-->

⚠️ Attention: If you are using a recorder 70mai Omni or A800S s support 5 GHz Wi-Fi, make sure that your smartphone Xiaomi supports this range. Models like Redmi Note 10/11 work only with 2.4 GHz —in this case, in the recorder settings you will have to manually switch the network to 2.4G.

2. Method 1: Connect via Wi-Fi (main method)

This is a standard pairing method that works for all models 70mai. The instructions are relevant for recorder firmware version 1.0.5 and later.

Step 1. Turn on Wi-Fi on the recorder:

  • 🔘 Press and hold the power button POWER on the recorder body for 3 secondsuntil you hear a voice message "Wi-Fi is on".
  • 🎵 On models with a screen (for example, Dash Cam A800S) go to Settings → Wi-Fi → Enable.

Step 2. Connect to the recorder network from your smartphone:

  1. Open Settings → Wi-Fi on Xiaomi.
  2. Find the network with the name 70mai_XXXX (where XXXX is the unique identifier of your device).
  3. Enter the default password: 1234567890 (if it doesn’t work, check the sticker on the recorder body).
  4. Wait for connection - the indicator next to the network name should change color to blue.

Step 3. Launch the application 70mai:

  • 📱 Open the application and allow all requests for access to geolocation, storage and camera.
  • 🔄 If the window "Firmware update"appears, agree - this will solve many compatibility problems.
  • 🔗 Click "Connect device" and select your recorder from the list.
What to do if the smartphone does not see the 70mai network?

1. Reboot the recorder (hold the power button for 10 seconds).

2. Check if Xiaomi has the "Hidden Networks" mode enabled in the Wi-Fi settings.

3. Make sure that the distance between devices does not exceed 5 meters (walls and metal obstacles weaken the signal).

4. On models with a screen (A800S, Omni), reset the Wi-Fi settings in the recorder menu: Settings → Reset → Reset Wi-Fi.

⚠️ Attention: On smartphones Xiaomi s MIUI 14/15 a function "Automatic Wi-Fi switching"can be triggered, which breaks the connection with the recorder if the signal is weak. To disable it:

  1. Go to Settings → Wi-Fi → Advanced → Automatic Wi-Fi switching.
  2. Disable the slider.
  3. Return to network connection 70mai_XXXX.

3. Method 2: Connection via Bluetooth (for notifications)

A Bluetooth connection is needed to receive voice notifications about events (for example, recording an accident) and control the recorder without connecting to Wi-Fi. This method does not replace Wi-Fi for watching videosbut is useful for saving smartphone battery power.

Step 1. Activate Bluetooth on the recorder:

  • 🔘 On models without a screen, hold the button Wi-Fi/MODE 5 seconds until you hear "Bluetooth is on".
  • 📱 On 70mai Omni/A800S go to Settings → Bluetooth → Enable.

Step 2. Pair the devices:

  1. Open Settings → Bluetooth to Xiaomi.
  2. Click "Search for devices" and select 70mai_XXXX from the list.
  3. Confirm pairing on both devices (on the recorder you may need to press the button OK).
  4. Launch the application 70mai and check that the section "Device" displays the status "Connected via Bluetooth".

Bluetooth mode restrictions:

  • ❌ It is impossible to view video in real time.
  • ❌ Uploading files to the phone does not work.
  • ✅ Event notifications are available (collision, motion).
  • ✅ You can turn on/off recording with a voice command.

Wi-Fi for watching videos|Bluetooth for notifications|USB for transferring files|I don’t connect to the phone-->

4. Method 3: USB connection (for transferring files)

If you need to copy video from the recorder to your phone without using Wi-Fi (for example, with a weak signal), you can use USB cable. This method is suitable for all models 70mai, but requires OTG adapter for Xiaomi (if the smartphone does not have a port USB-C).

Step 1. Prepare the equipment:

  • 🔌 Use the original cable 70mai (or high-quality adapter). data USB-C → USB-A adapter).
  • 📱 Make sure you have Xiaomi function enabled Transfer files via USB (Settings → Advanced → Data transfer).

Step 2. Connect the recorder:

  1. Insert the cable into the port of the recorder and smartphone.
  2. On the screen Xiaomi select mode "Transfer files" (MTP).
  3. Open any file manager (for example, Mi File Manager) and go to the folder DCIM → 70mai.
  4. Copy the necessary files (videos are stored in the format .MP4, photos - .JPG).
Recorder model Supported USB mode Max. transfer speed Do you need OTG?
70mai Pro MTP (file transfer) ~10 MB/s Yes (USB-A)
70mai Omni MTP + PTP (photo) ~15 MB/s Yes (USB-C)
70mai Dash Cam A800S MTP ~20 MB/s No (USB-C)
70mai Lite Charging only — —

⚠️ Attention: On some models Xiaomi (for example, Redmi 9A or POCO M3) when connected via USB error may appear "The device is not recognized". Solution:

  1. Go to Settings → Applications → Manage applications → Files.
  2. Clear cache and data.
  3. Reconnect the recorder.

5. Solving common connection errors

Even if you follow the instructions correctly, failures may occur. Below are solutions for top 5 errorsthat owners encounter Xiaomi.

Error 1: “Could not connect to the network” (Wi-Fi)

  • 🔄 Reboot the recorder (hold the power button for 10 seconds).
  • 📶 Check that the smartphone is connected to the network 70mai_XXXXand not to another access point.
  • 🔧 Reset the Wi-Fi settings on the recorder: Settings → Reset → Reset Wi-Fi.
  • 📱 On Xiaomi disable the function "Smart connection" in the Wi-Fi settings.

Error 2: The application does not see the recorder

  • 🔄 Update the application 70mai to the latest version.
  • 📋 Check that the recorder is not connected to another phone (one device can be paired with only one smartphone).
  • 🔒 Make sure that Xiaomi access to geolocation is allowed for the application (even if you are not using GPS).

Error 3: The video in the gallery is not is playing

  • 🎥 Check that the files are copied completely (sometimes the transfer is interrupted).
  • 📹 Use a third-party player (for example MX Player or VLC) if the standard application Gallery does not support codec H.265.
  • 🔧 On the recorder, change the video format to H.264 in the settings (Settings → Camera → Video format).

Error 4: Bluetooth connects, but notifications do not arrive

  • 🔔 In the application 70mai check that notifications are enabled: Profile → Notification settings.
  • 📱 On Xiaomi turn off battery optimization for the application: Settings → Applications → 70mai → Battery → Unlimited.
  • 🔄 Reconnect Bluetooth: remove the device from the list of paired ones and add it again.

Error 5: The recorder is not detected via USB

  • 🔌 Try a different cable or OTG adapter.
  • 📱 On Xiaomi turn on "Developer mode" and activate USB debugging.
  • 🔧 Update the recorder firmware (instructions in the next section).
💡

If none of the methods helped, try connecting the recorder to another phone (not Xiaomi). If the problem persists, contact 70mai support with error logs (they can be exported in the application: Profile → Send feedback).

6. Updating the recorder firmware via phone

Outdated firmware is one of the main causes of connection problems. The manufacturer regularly releases updates, correcting compatibility errors with MIUI.

Step 1. Check the current firmware version:

  • On recorders with a screen: Settings → Device information → Software version.
  • On models without a screen: voice command "Firmware version" (hold the button MODE 3 seconds).

Step 2. Update the firmware through the app:

  1. Connect to the recorder via Wi-Fi.
  2. Open the application 70mai and go to Device → Settings → Software update.
  3. If a new version is available, press "Update".
  4. ⚠️ Do not turn off the power during the process (may take up to 10 minutes).

Step 3. Update via memory card (if Wi-Fi does not work):

  1. Download the latest firmware from of the official website (section "Support").
  2. Unpack the archive and copy the file firmware.bin to the root of the memory card (format FAT32).
  3. Insert the card into the recorder and turn it on. Update will start automatically.
💡

Updating the firmware solves 80% of problems with connecting to Xiaomi. Always check that the software is up to date before setting up a new device.

7. Optimizing settings for stable operation

To avoid disconnections and lags when watching videos, configure your smartphone and recorder according to these. recommendations:

On your smartphone Xiaomi:

  • 📶 Disable "Wi-Fi auto switching" (Settings → Wi-Fi → Advanced).
  • 🔋 Add the application 70mai to "Battery exceptions" (Settings → Battery → Battery optimization).
  • 🛡️ Enable "Data Protection" for the application, if you use MIUI 15.

On the recorder 70mai:

  • 📹 Set the video resolution 1080p instead 4Kif the smartphone slows down when viewing.
  • 🔄 Include "Startup" important files in the cloud (in case you lose the memory card).
  • 🔔 Set up motion detection zones to reduce the number of false notifications.

Recommended settings to save traffic:

  • 📱 In the application 70mai disable "Auto-update in the background".
  • 🎥 Set the preview quality to "Medium" (Settings → Video quality → Preview).
  • ☁️ Use cloud storage only for critical events (accidents, impacts).

8. Alternative applications for managing 70mai

The official application 70mai does not always work stably on MIUI. If you experience constant crashes, try these alternatives:

Application Advantages Disadvantages Link
70mai Official Full support for all functions, cloud storage Sometimes lags on MIUI 14+ Google Play
DashCam Viewer Fast video viewing, H.265 support No settings control Google Play
RoadCam User-friendly interface, work with multiple cameras Paid version for advanced functions Google Play

⚠️ Attention: When using third-party applications disable automatic firmware update —unofficial software may damage the recorder. For updates, use only the original application 70mai.

1. Connect the recorder to your computer via USB.

2. Copy the files from the folder DCIM\70mai to your computer.

3. Transfer them to Xiaomi via the cloud (Google Drive) or via cable.

This method is relevant if the 70mai application does not work.-->

FAQ: Frequently asked questions

Is it possible to connect 70mai to Xiaomi without Wi-Fi?

Yes, but with limitations:

  • 🔵 Bluetooth —only for notifications and voice control.
  • 🔌 USB —only for file transfer (not for real-time viewing).

For full operation (watching video, setting parameters) Wi-Fi is required.

Why does Xiaomi not see the 70mai network, but other phones do?

Probable reasons:

  • 📶 The MAC address filter is enabled in the Wi-Fi settings. Xiaomi MAC address filter is enabled in Wi-Fi settings.
  • 🔧 The recorder operates in the range 5 GHz, and your smartphone only supports 2.4 GHz.
  • 📱 The MIUI function is activated "Wi-Fi scanner" (disable it in Settings → Additional → Wi-Fi scanner).
How to reset Wi-Fi settings on the 70mai recorder?

Reset methods:

  • 📱 via the app: Device → Settings → Reset Wi-Fi.
  • 🔘 On models without a screen: hold the button Wi-Fi/MODE 10 seconds until you hear "Wi-Fi reset".
  • 🔧 On 70mai Omni/A800S: Settings → System → Network reset.

After the reset, the network 70mai_XXXX will appear again with the default password (1234567890).

Can 70mai be used as a webcam for Xiaomi?

Technically yes, but with reservations:

  • 🖥️ Connect the recorder via USB in mode UVC (firmware required 1.0.7+).
  • 📱 Use the application DroidCam or IP Webcam to broadcast video to your smartphone.
  • ⚠️ The quality will be lower than with direct recording (maximum 720p).
How to disable voice notifications from 70mai on Xiaomi?

Instructions:

  1. Open the application 70mai.
  2. Go to Profile → Notification settings.
  3. Disable the slider "Voice alerts".
  4. To disable it completely, remove the Bluetooth pairing in the smartphone settings.