Leica T firmware v1.7

Leica · First seen Sep 23, 2026

v1.7 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

Adds support for the Elmarit-TL 18 f/2.8 ASPH. lens.

  • Elmarit-TL 18 f/2.8 ASPH. lens support added

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

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What's in this update

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Installation instructions for the L eica T (Typ 701​) - Firmware 1.7

Dear Customers,

By installing the firmware 2.2 on your Leica T (Typ 701) the new Elmarit -TL 18 f/2.8 ASPH. will be fully supported.

Update Contents Model Number LEICA T (Typ 701) Update Version Version 1.7 Update File Name T701_170.TUF.zip

T701_170.TUF

Firmware Update Procedure

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