I can’t update my powermeter

You need help with the firmware update of your powermeter? In this article, you will find solutions for any issues occuring during the process.

Table Of Contents

Known update issues with our app version 19/522

  1. All Huawei/Honor smartphones have a general update problem (breaking up after step 1)
  2. Old firmware versions (released 2017) on the powermeter have also an issue with all Android and iOS devices (breaking up after step 1)
  3. Old firmware versions (released 2018) need one additional step to install the latest firmware via any iOS devices

Huawei/Honar

  • If you are using an Huawei/Honor smartphone with our current app version 19/522 you will get following issue after step 1
  • At the moment you can only fix that issue with our previous app version 18/489 »click here for download«
  1. Before you can install the previous version of our app please delete our current power2max app
  2. Use the download link and install our previous app version on your smartphone
  3. If you get an error message, please download the power2max_18_489.apk file on your PC/MAC
  4. Connect your smartphone with your PC/MAC and drag & drop the file directly onto your smartphone
  5. Select the power2max_18_489.apk file on your smartphone and install our previous app version
  6. Connect the app to your powermeter and update the firmware of the powermeter
  7. After that you can reinstall the latest power2max app version

Android

  • If you have an old powermeter which has never been updated, it is possible that you get an issue after step 1
  • You can check your current version under “Device Information” on the main screen (Software Revision)
  1. Before you can install the previous version of our app please delete our current power2max app
  2. Use the download link and install our previous app version on your smartphone
  3. If you got an error message, please download the power2max_18_489.apk file on your PC/MAC
  4. Connect your smartphone with your PC/MAC and drag & drop the file directly onto your smartphone
  5. Select the power2max_18_489.apk file on your smartphone and install our previous app version
  6. Connect the app to your powermeter and update the firmware of the powermeter
  7. After that you can reinstall the latest power2max app version

iOS

  • Installing a firmware update with an iOS device with an older firmware than 22/270 needs one additional step to install the latest firmware on your powermeter
  • You can check your current version under “Device Information” on the main screen (Software Revision)
  • If you start the firmware update process, our app will forward you to your iOS settings after some seconds
  • Please turn off your Bluetooth and wait up to three seconds and turn it on again
  • Please go back to your power2max app and press “Ok” to start the firmware update process
  • If the firmware update is to old, the process will stop after step 1.
    In this case please use our beta app version for iOS by using following link »click here«

Do you need further help?