The Insta360 X4 is a 360-degree action camera with a 1/2-inch sensor, 8K video recording, and improved low-light performance. It is the fourth generation of Insta360's X series and the first in the line to support 8K 360-degree video.
Product released: April 10, 2024
Latest firmware version
Version 1.9.21, released September 2, 2025
Last checked for updates: Oct 31, 2026 00:12 UTC
What's new in version 1.9.21
1. Supports Insta360 X4 with official firmware v1.9.21.
2. Routine performance and system stability improvements.
The Insta360 X4 is a 360-degree action camera with a 1/2-inch sensor, 8K video recording, and improved low-light performance. It is the fourth generation of Insta360's X series and the first in the line to support 8K 360-degree video. It was originally released on April 10, 2024.
What is the latest firmware version of Insta360 X4?
The latest firmware version of Insta360 X4 is 1.9.21. It was released on September 2, 2025.
What changed in Insta360 X4 firmware version 1.9.21?
Insta360 X4 firmware version 1.9.21 includes the following changes: 1. Supports Insta360 X4 with official firmware v1.9.21.
2. Routine performance and system stability improvements.
Where can I download the latest Insta360 X4 firmware?
Details and download instructions for the latest Insta360 X4 firmware (version 1.9.21) are on Insta360's official release page: https://www.insta360.com/download/insta360-x4
Is the Insta360 X4 firmware update overdue?
Based on Insta360 X4's historical update patterns, a firmware update was expected by December 30, 2025 but has not yet been released. This may indicate an upcoming release or a change in the product's update schedule.