Fujifilm X-T5 firmware v4.20

Fujifilm · First seen Jul 4, 2026

v4.20 is not the latest firmware for the Fujifilm X-T5: the current version is v4.31 (July 26, 2025). Go to v4.31

What's in this update

The firmware update Ver.4.20 from Ver.4.10/Ver.4.11 incorporates the following issues: Regarding the details​ of No.2, download the “X-T5 New Features Guide[Ver.4.20]” from our website.

  • X-T5 New Features Guide: English, Français, Deutsch, Español, Italiano, Nederland, Polski, Svenska, Norsk, Dansk, Pусский, Suomi, 中文简, 中文繁體, 한국어, ภาษาไทย, Arabic
  • Exposure tracking during aperture movement gets smoothed when used with the XF16-55mmF2.8 R LM WR II.

The above exposure tracking function is enabled under the following setting conditions. [Setting conditions]

  • StillMovie mode ➔ Movie
  • Shooting Mode ➔ Manual (M) Mode
  • ISO ➔ Fixed Sensitivity
  • The “LINEAR” setting in “Focus ring operation” menu can now be set by the focus ring rotating angle.

The above function is enabled when used with the following applicable lenses. [Applicable lenses]

  • XF/XC series Prime lenses and zoom lenses Note: Interchangeable lenses with distance indicators (XF14mmF2.8 R, XF23mmF1.4 R and XF16mmF1.4 R WR) are not applicable.
  • A firmware bug is fixed that the settings will not be renewed in “CUSTOM SETTING” after camera is turned off and on when you save the following set​tings in “EDIT/SAVE CUSTOM SETTING”, [Settings]
  • “ISO SETTING”
  • Some of the “AUDIO SETTINGS” (ex. “MIC JACK SETTING”, “INTERNAL MIC LEVEL ADJUSTMENT”, “EXTERNAL MIC LEVEL ADJUSTMENT”, etc.)
  • A firmware bug is fixed that the camera does not turn on even if the power lever is on when a specific SD memory card is inserted.
  • A firmware bug is fixed that the “WRITE ERROR” occurs in rare cases after shooting when using specific SD memory cards.
  • A firmware bug is fixed that the camera freezes in rare cases during “CH HIGH SPEED BURST” shooting under the following specific conditions.

[Settings]

  • Shooting Mode ➔ CH HIGH SPEED BURST
  • Shutter Type ➔ E-FRONT CURTAIN SHUTTER
  • FLICKER REDUCTION ➔ ALL FRAMES
  • Other minor bugs are also fixed.

updatemystuff.com never hosts firmware files — always download from the official source.

Get it from Fujifilm

Watch the X-T5 for updates

Create a free account and get an email the moment Fujifilm publishes new firmware.

Create account & watch

Other versions for this product

See the full firmware history for the X-T5