Firmware and Software Updates

Zpider Firmware Updates

To install firmware updates for the Zpider, use the smartphone app as shown below.

Version 1.42 (Jan 5, 2019)

  • Fixed compatibility with Zwift built-in Bluetooth on Windows
  • Fixed compatibility issue with Polar bike computers and sports watches (using BLE)
  • Added next level temperature compensation for better accuracy in extreme temperature riding (relevant below 5C and above 40C)
  • Fixed L/R balance reporting via BLE

Version 1.37 (Nov 7, 2018)

  • Misc bug fixes

Version 1.35 (Sep 18, 2018)

  • Improved compatibility with bike computers (including Wahoo) via ANT+
  • Improved compatibility with cadence reporting on some BLE apps and head units (via BLE)
  • Added calibration through BLE (used in the TrainerRoad app etc.)
  • Changed to show 000W -> 111W -> 222W -> 333W when maintenance fee not paid

Version 1.32 (Aug 17, 2018)

  • Fixed bug in power trimming set through the app
  • Slightly more stable cadence reporting

Version 1.25 (Jan 15, 2018)

  • Better power measurement in rough terrain

Version 1.22 (Jul 19, 2017)

  • Fixed power off problem. Replaces quick fix beta version 0.44.

Version 1.21 (Jun 15, 2017)

  • Removed power spikes

Version 1.20 (Jul 9, 2017)

  • Improved high-cadence accuracy

Version 1.18 (May 5, 2017)

  • Added left/right balance support

Zimanox Firmware Updates

To install firmware updates for the Zimanox, use the smartphone app as shown below.

Notice: No further firmware updates are planned for the Zimanox. We recommend you upgrade to one of our other and better power meter products.

Version 1.25 (Jan 15, 2018)

  • Fixed problem recording raw data

Version 1.24 (Jan 5, 2018)

  • Fix for sluggish power reading at high cadence

Version 1.23 (Oct 9, 2017)

  • Improved precision. Better power measurements in rough terrain.

Version 1.22 (Jul 19, 2017)

  • Fixed power off problem. Replacing quick fix beta version 0.44.

Spindle Firmware Updates

These updates are valid for use on spindle based power meters from Race Face, Easton, Samox etc. If unsure about the compatibility of your power meter hardware, you can risk-free try to perform the update. All updates are cryptographically signed and secured, so you will never risk updating with a firmware file that is not designed for your power meter hardware.

To install these updates, use the smartphone app as shown below.

Version 1.41 (Jan 5, 2019)

Note: This update is currently only available in the Team ZWATT apps, not in the CINCH branded apps.

  • Fixed compatibility with Zwift built-in Bluetooth on Windows
  • Fixed compatibility issue with Polar bike computers and sports watches (using BLE)
  • Improved compatibility with bike computers (including Wahoo) via ANT+
  • Improved compatibility with cadence reporting on some BLE apps and head units (via BLE)
  • Added calibration through BLE (used in the TrainerRoad app etc.)
  • Added next level temperature compensation for better accuracy in extreme temperature riding (relevant below 5C and above 40C)

Version 1.28 (May 5, 2018)

  • Easier to wake up from standby
  • Bugfix for rare missing power reporting issue
  • Enabled power trimming feature (can be used to manually adjust power reporting up/down through Team ZWATT app)

Version 1.23 (Oct 9, 2017)

  • Better power measurements on rough terrain

Team ZWATT iOS App Updates

The latest version will often be automatically installed on your Apple smartphone or can be installed manually from the Apple App Store.

Version 1.7 (Jan 8, 2019)

  • Misc bug fixes
  • Minor change for L/R balance display

Version 1.6 (Nov 2, 2018)

  • Misc bug fixes

Team ZWATT Android App Updates

The latest version will often be automatically installed on your Android smartphone or can be installed manually from Google Play.

Version 1.91 (Dec 22, 2018)

  • Revamped design with cleaner black&white look
  • Significantly improved Bluetooth connect times on certain phones
  • Added a new troubleshooting guide to improve customer support
  • Added ability to tag uploads recorded in the app (raw data)
  • Added “FTP-20” feature to make it easier to nail your FTP tests

Power Meter Firmware Update Instructions

To install new firmware in the power meter, follow these simple steps:

  • Use the latest version of the Team ZWATT app for your smartphone
  • Make sure the power meter is turned on (spin the crank slowly 1-2 times)
  • Select the power meter to update in the app
  • Select “Update Firmware
  • Select the desired firmware version (the newest and recommended will be listed first)
  • Wait for the firmware update to complete (slightly faster if you hold the phone near the power meter)

In the rare case where the latest firmware has not been automatically downloaded to your app, you can go to “Settings” and select “Check for updates now“. This will make sure the latest firmware is available to the app.

Example video demonstrating the update process in the Android app:

Need to Contact Us?

Please email support to get your question answered by a human if you can’t find the answer you need on this page.

Make sure to include app and firmware version numbers, if at all relevant to your question.

Our New MTB Power Meter is on the horizon.

– Join the newsletter and help us bring it to the market –