Smpl mini display: battery powered e-ink display made for Homey

:rotating_light: SUPPORT UPDATE: PAIRING ISSUE FIX | FIRMWARE HISTORY | KNOWN ISSUES :rotating_light:

We have had some cases where users have been unable to pair the device with both old and new HP models. Neither Athom nor we can reproduce the issue.

User-tests have proven the case to be a compatibility issue with certain Homey Pro environments due to radio interference.

The users have been able to pair our display with another external Homey Pro or when moving their Homey Pro to another less noisy physical location.

To also account for these cases the team has successfully tested a Zigbee Stack update with a specific focus on improving robustness in case of a noisy and heavy overloaded radio environment.

The Zigbee Stack can be described as the OS (operating system) of the Zigbee chip in a different (deeper) layer than our smpl firmware.
This update has so far proven 100% successful in fixing any pairing issues as well as improving connectivity and stability.

All deliveries since order# 2922 from mid-September have been with the new firmware and Zigbee stack.

Having said this, it is not a general miracle cure in relation to network performance and building a stable and reliable Zigbee network is still essential.

Firmware history:

Order # Version News
Version 1.15 (pre-production)
< 2129 Version 1.18 (final production) graphic adjustments and power optimization
2129 – 2922 Version 1.19 reset function
> 2922 Version 1.19 / Zigbee stack 1.17.2 improving connectivity/minimizing impact of interference

If your display is working fine, as the vast majority, there is no need to update the firmware.

If you want to update anyway, please contact support who can send a guide and the required files. Be aware that the guarantee will be void if you perform the update yourself.

If you have pairing issues, please contact support using the mandatory technical support form.

We are working on a more automated and simple update solution. This will also be handy when releasing firmware updates with new features, optimizations etc.

Other known issues:

  • Although battery level indication will always be an estimate our current on-board algorithm has proven too inaccurate. The batteries can be empty despite the battery level showing 75 or even 100%. If the display is ‘frozen’ and not showing the lost connection icon (an exclamation mark in the upper right corner, as described in the online manual), the batteries are most likely empty. Please also consider the default battery lifetime, which is 3-4 months, depending on your settings (default=1-minute updates). We will evaluate the battery level algorithm in a future firmware release.
  • The on/off device capability including related action cards in Homey Pro 2023 have no functionality and should be disregarded. We are in contact with Athom about this.
  • For Homey Pro 2023 it is possible to see the firmware version under device capabilities. This information is currently not correct for the smpl mini display. We expect this information to be the Zigbee stack version. To get the correct smpl firmware version, please triple click on the device to show the information screen as described in the online manual. Also be aware that the Zigbee stack version is not available on the device information screen. Please refer to the above ‘firmware history’ to understand if your device has the recently updated Zigbee stack.

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:white_check_mark: Please share your use cases with the Homey Community: Inspiration for display layouts and sensor templates for the smpl mini display

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