Power Meter - Stages Power Gen 1/2 Firmware Release Notes

Download the Stages Power app to your mobile device.

Download for Android
Download for iOS

Rotate your Stages Power meter cranks to awaken the device.

  1. Select your Stages Power meter from the app's Discovering Devices page.
  2. Select Connect. Once connected, the app will detect your current firmware version and check for new updates.
  3. If an update is available, select Update Firmware.

Date: 3/21/18 (m/d/y)

Firmware Release #: v2.0.86

Replaces Release #: v2.0.85


  • Supports cadence-only function for indoor bike cadence sensors.

Date: 1/18/18 (m/d/y)

Firmware Release #: v2.0.85

Replaces Release #: v2.0.84

Known Bug Fixes:

  • Bug fix for indoor power meters only.

Date: 12/18/17 (m/d/y)

Firmware Release #: v2.0.84

Replaces Release #: v2.0.83


  • Includes auto-zero functionality for indoor power meters.

Date: 6/26/17 (m/d/y)

Firmware Release #: v2.0.83

Replaces Release #: v2.0.82

Known Bug Fixes:

  • Fixes bug that caused some event numbers not to be transmitted correctly over ANT+.
  • Improved BLE response for sleep/wake transitions.

Date: 3/8/17 (m/d/y)

Firmware Release #: v2.0.82

Replaces Release #: v2.0.81

Known Bug Fixes:

  • Fixes a possible sleep initiation bug.

Date: 10/13/16 (m/d/y)

Firmware Release #: v2.0.81

Replaces Release #: v2.0.80

Known Bug Fixes:

  • Fixes a connection issue with Polar devices.
  • Fixes a bug on Polar devices where cadence was improperly calculated.

Date: 10/3/16 (m/d/y)

Firmware Release #: v2.0.80

Replaces Release #: v2.0.79


  • Indoor power meter will perform BLE fast advertising indefinitely.
  • BLE connection speed is increased from 1 Hz to 4 Hz.

Date: 3/29/16 (m/d/y)

Firmware Release #: v2.0.79

Replaces Release #: v2.0.78

Known Bug Fixes:

  • Fix GATT definition, which should allow Android devices running 4.4.2 to connect properly.

Date: 2/22/16 (m/d/y)

Firmware Release #: v2.0.78

Replaces Release #: v2.0.77


  • Now displays the ANT+ ID of the unit in the advertising data for Bluetooth broadcasts. This means that opening the StagesPower app will show “Stages XXXXX” with the ANT+ ID of the unit filled in.

Important Notes: Users MUST update the StagesPower app on their device (Android v1.3.1.1 / iOS v3.7 or newer) to connect to power meters running version 2.0.78. Older versions of the app will not be able to discover power meters on this firmware.

Date: 1/25/16 (m/d/y)

Firmware Release #: v2.0.77

Replaces Release #: v2.0.76

Known Bug Fixes:

  • Fixes battery reporting so that low battery alerts are displayed on Garmin head units even when voltage is extremely low.
  • Eliminates power spikes due to the unit resetting.


  • Improved response to calibration request. Decreases chance that starting a calibration procedure from an ANT+ head unit doesn’t complete.
  • Performs multiple consecutive position checks before starting a zero offset. This should eliminate the possibility of performing a zero offset while pedaling.
  • Modified Bluetooth Bike Power feature characteristic and added Enhanced Calibration in order to comply with the Cycling Power Service 1.1 update.

Date: 5/4/2015 (m/d/y)

Firmware Release #: v2.0.76

Replaces Release #: v2.0.58

Known Bug Fixes:

  • Startup/Shutdown routine bug fixes eliminating potential to over-burden battery.
  • Optimized processor functions when connected to Bluetooth.


  • Improvements to power and battery management extending battery life.
  • Improvements and refinements to cadence detection.
  • Added Stages Indoor Cycling functionality.
  • Updated Bluetooth API to match standard.
  • Other Information: StagesPower App will need to be upgraded as well to fully support all functionality. (iOS: v3.0 or newer, Android: v1.2 or newer).

Date: 7/14/2014 (m/d/y)

Firmware Release #: v2.0.58

Replaces Release #: v2.0.51

Known Bug Fixes:

  • Sleep initialization bug fix to ensure power meter correctly enters sleep mode.


  • Improved power management. Reduced current draw from 1.2mA to 1.0mA. This represents an improvement in battery life to roughly 220 hours (was 200).
  • Improved track functionality, for Stages Power Shimano Dura Ace 7710 track model.

Date: 6/2/2014 (m/d/y)

Firmware Release #: v2.0.51

Replaces Release #: v2.0.48

Known Bug Fixes:

  • Zero Calibration Error Handling Fix.

Important Notes: Released in production at Serial Number 0053014027.

Date: 5/17/2014 (m/d/y)

Firmware Release #: v2.0.48

Replaces Release #: v2.0.38

Known Bug Fixes:

  • ANT+ Message Initialization.


  • Zero Calibration Improvement.
  • ANT+ Message Pattern Update.

Important Notes: Released in production at Serial Number 0051714001.

Date: 1/24/2014 (m/d/y)

Firmware Release #: v2.0.38

Replaces Release #: v2.0.37


  • Zero Calibration Improvement.

Important Notes: Released in production at Serial Number 0020714026.

Date: 12/19/2013 (m/d/y)

Firmware Release #: v2.0.37

Replaces Release #: v2.0.31

Known Bug Fixes:

  • Sleep mode bug fixes to improve battery life.


  • Increased time to sleep to 5 minutes (was 2 minutes) for BT and ANT+.
  • Improved BT connection speed.

Important Notes: Released in production at Serial Number 0122013026.

Date: 12/16/2013 (m/d/y)

Firmware Release #: v2.0.31

Replaces Release #: v2.0.21

Known Bug Fixes:

  • Bluetooth timing bug fix.

Important Notes: Released in production at Serial Number 0121213052.

Date: 7/22/2013 (m/d/y)

Firmware Release #: v2.0.21

Replaces Release #: v2.0.18


  • Track configuration (Dura-Ace FC-7710).
  • Firmware version reported via ANT+.

Important Notes: Released in production at Serial Number 0072713001.

Date: 07/08/2013 (m/d/y)

Firmware Release #: v2.0.18

Replaces Release #: v2.0.12


  • Minimum cadence lowered to 20rpm (was 30rpm).

Important Notes: Released in production at Serial Number 0070313001.

Date: 05/30//2013 (m/d/y)

Firmware Release #: v2.0.12

Replaces Release #: v2.0.9

Known Bug Fixes:

  • Apple Bluetooth bug fix.


  • Improved time to display first power reading.

Important Notes: Released in production at Serial Number 0053013053.

Date: 05/11/2013 (m/d/y)

Firmware Release #: v2.0.9

Replaces Release #: v2.0.4


  • Improved strain gauge reading accuracy.

Important Notes: Released in production at Serial Number 0051113001.

Date: 02/25/2013 (m/d/y)

Firmware Release #: v2.0.4

Replaces Release #: v2.0.1


  • Improved time to display first power reading.

Important Notes: Released in production at Serial Number 0022513001.

Date: 02/08/2013 (m/d/y)

Firmware Release #: v2.0.1

Replaces Release #: v2.0.0

Known Bug Fixes:

  • ANT+ communication bug fix.

Important Notes: Released in production at Serial Number 0020813001.

Date: 02/04/2013 (m/d/y)

Firmware Release #: v2.0.0

Important Notes: Released to production at Serial Number 0020413001.