Insta360 X4 firmware v1.9.21

Insta360 · Released Sep 2, 2025 · First seen Jul 14, 2026

v1.9.21 is the latest firmware for the Insta360 X4, released September 2, 2025.

What's in this update

  1. Supports Insta360 ​X4 with official firmware v1.9.21.
  2. Routine performance ​and system stability improvements.

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Changed since v1.9.20

  • Supports Insta360 X4 with official firmware v1.9.21.

Other versions for this product

See the full firmware history for the Insta360 X4