How to update your scale's firmware

 For any questions or troubleshooting, contact support@acaia.co.

1. Download the updater for your scale and mobile device:
    - Pearl: App Store or Google Play Store
    - Other Acaia Products: App Store or Google Play Store 
   *note, the Pearl Model S should be updated using the Acaia Updater app and not the Pearl Updater app. The Pearl Updater app is intended for our original Pearl model.
4. Select the firmware you'd like to update to
5. Switch to Update Mode (see tips below)
6. "Start Firmware Update” on the app

 

Switching to Update Mode on the Pearl:

  • On original Pearl models with firmware 1.83 and newer, connect your scale to the Pearl Updater app, then tap the "Switch to update mode" button that appears once the scale is connected. The Pearl will then display "F.u. 2". Once you see this, Long-press T to enable Update Mode.
  • If your scale has a firmware older than 1.83, you will need to manually put your scale in update mode. 
    • While your scale is off, hold the Power Button until it shows “nACAIA” -> “SEt”, and then hold the T button at the same time. 
    • Hold both buttons until you hear a beep and the display shows F.0000. Release buttons.
    • Enter the appropriate passcode for the version of your scale. Short-press T to change digits, long-press T to move to the next digit.
    • For firmware 1.3 and older, input 1249; for firmware 1.5 and newer, input 0415
    • The scale will display UPdAtE (for firmware 1.3 and older, the scale will display "ISP" when it is in update mode.)

 

Switching to Update Mode on the Lunar

  • On Lunar firmware versions 2.5.067 and below, the Lunar always needs to be manually put in update mode. 
    • While your scale is off, hold the Power Button until it shows “nACAIA” -> “SEt”, and then hold the T button at the same time. 
    • Hold both buttons until you hear a beep and the display shows F.0000. Release both buttons.
    • Enter the passcode 0415. Short-press T to change digits, long-press T to move to the next digit.
    • The scale will display UPdAtE.
  • On Lunar firmware versions 2.6.003 and later, the way to enter a passcode is slightly different. 
    • While your scale is off, hold the Power Button until it shows “nACAIA” -> “SEt”. Now release the power button and long-press the T button. The display will show F.0000.
    • Enter the passcode 0415. Short-press T to change digits, long-press T to move to the next digit.
    • The scale will display UPdAtE.
 
*NOTE: Be sure to not unplug or plug in the scale while it is updating, as it will cause it to crash*
 
Below is a video on how to put a Pearl Black in update mode using a settings code. The steps are the same for an Acaia Lunar:

 

 

 

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