Basic instructions for using KX-A21F, KX-C22L

KX-A21F and KX-C22L are two WiFi Camera product models launched by Kbvision in early April 2024. With many outstanding features, this will be the optimal choice to protect your family.

In this article, I will show you basic usage instructions for these Camera product lines. The instructions apply generally to:

  • KX-A22F, KX-A42F, KX-C22L, KX-C42L
  • KX-A21F, KX-A41F, KX-C21L, KX-C41L
  • KX-WF2, KX-WF41, KX-WF22, KX-WF42
  • KX-WD21, KX-WD41, KX-WD22, KX-WD42
1. Instructions to reset password for Camera (hard reset)

The instructions apply generally to the following products:

  • KX-A22F, KX-A42F, KX-C22L, KX-C42L
  • KX-A21F, KX-A41F, KX-C21L, KX-C41L
  • KX-WF2, KX-WF41, KX-WF22, KX-WF42
  • KX-WD21, KX-WD41, KX-WD22, KX-WD42

How to reset
  • Step 1: Plug in power to the Camera, then wait for the device to finish booting (about 1 minute)
  • Step 2: Press and hold the reset button for 30 seconds, then release the reset button (still holding power)
  • Step 3: Wait about 1 minute, access the device’s default IP address (192.168.1.108) to reset the new password.
2. Instructions for connecting to WiFi for Camera on KBView Plus application

Important note:

  • Cameta currently only supports the 2.4Ghz band (does not support 5Ghz yet)
  • Supports WiFi 5 and below
  • Need to reset Camera default before installation (status light flashing green)
3. Delete the Camera account link on the KBVIEW Plus application

To delete the Camera account link on the KBVIEW Plus application, you can do it in 2 ways as follows:

  1. Unplug the Camera and take a photo of the SN stamp on the device to send information requesting unlinking to the place of purchase.
  2. Create a request to delete the account link directly on the KBVIEW Plus app as shown in the following video:

4. Activate the active siren alarm on the KBview Plus app

Manipulate as follows:

7. Instructions for setting up continuous recording

Operations on the KBView Plus app:

Operations on the Web browser:

8. Setup SMD (Person Detection) on the Web browser

The KX-A21F and KX-C21L cameras currently only support Smart Person Detection (SMD) and do not yet support vehicle detection.

  • First, you need to enable the motion detection function, you can set the detection area and operating schedule. 

  • Next activate the SMD filter, which will rely on the Motion Detection above to filter out human shapes. 

Note: If Motion Detection is not enabled, SMD will not work either.

9. Setup audio recording on Camera

You can set up audio recording for the Camera in the following 2 ways:

– Web browser operations:


– Operations on KBView Plus app (add Camera to account mode:

10. Activate abnormal sound alarm
  • Manipulate as follows:

11. Format the memory card for the Camera
  • Thao tác như hướng dẫn sau:

13. Instructions for changing WiFi connection for Camera

– Operate as follows on the Web browser:


– Operations on the KBView Plus app:

14. Set the lighting mode on the Camera

– Operations on the KBView Plus app:

15. Instructions for changing the name of the Camera

– Operate on the Web browser as follows:

16. Schedule automatic restart for Camera

– Operate on the Web browser as follows:

17. Instructions for flipping images for Camera

– Operations on the KBView Plus app are as follows:

Specialized software used for KX-A21F and KX-C22L is KBView Plus, you can download it here:

When using KBView Plus, there will be 2 modes:

  • Local device: Only perform basic operations such as live viewing and video playback.
  • Devices in account: In addition to live viewing and playback, you can:
    • Receive alarm messages
    • Alarm configuration
    • Format memory card, backlight, …
    • Share device to another account.

Application DMSS Can connect and use all Camera functions similar to KBView Plus. However cannot perform initialization and WiFi settings for Camera.

When combined with a Dahua recorder, KBVision NVR or XVR (interface 4.0 + firmware released from 2020) can make calls to Camera tyhoong via the recorder. XVR old interface 3.0 can only listen to audio (not talk).