Leica T firmware v1.8

Leica · First seen Sep 23, 2026

v1.8 is not the latest firmware for the Leica T: the current version is v1.55. Go to v1.55

In short — summary by updatemystuff.com

Simplified smartphone pairing, improved color aberration in TL lenses, and added support for new TL 2.8/18mm lens.

  • Simplified camera-smartphone pairing
  • Reduced color aberration in TL lenses
  • Support for new TL 2.8/18mm lens

Written from Leica's release notes, which are printed in full below.

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What's in this update

Leica Camera AG / Seite 1 von 1 Installation instructions for the L eica T (Typ 701) - Firmware 1.8 Dear Customers, by installing the firmware 1.8 on your Leica T (Typ 701) you will gain additional functions and performance for your camera.

Update Contents Model Number LEICA T (Typ 701) Update Version Version 1.8 Update File Name T701_180.TUF

Description Version Description 1.8 Performance Improvements: Simplified pairing process between camera and smartphone/​APP Improvement of Color Aberration for all TL le nses 100% support including auto update of the new TL 2.8/18mm lens Firmware Update Procedure

  1. Download an updated version of the firmware.
  2. Copy the firmware file onto a SD Memory Card in its top level folder.
  3. Make sure to turn off the power switch on the camera.
  4. Insert the fully charged battery to the body. If the battery is not fully charged, the u​pdate process screen will not appear.
  5. Insert the SD Memory Card into the camera.
  6. Turn the camera – while simultaneously pressing the video release button – on.
  7. The firmware update screen will appear. Press OK.
  8. The LEICA T will start the update process. The firmware update will take about 90 seconds.
  9. After th e update process please restart the camera.

CAUTION

Please do not turn off your camera, or do not remove the SD Memory Card, do not remove the lens while updating your camera's firmware. DOING SO CAN CAUSE A SERIOUS DAMAGE TO YOUR CAMERA!

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