CHESTER Firmware

hio-chester-control-z:v3.5.5

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For a firmware update via the J-Link USB debugger, download the HEX file:
Download HEX file
SHA256 checksum: dd123b5236cb6a86f16ee0fa663b3070a9ceb5948ced8e0406c40695b40caa1d
You can get HARDWARIO Command Line Tools from Python PyPI.
For a firmware update via the mobile application, download the BIN file:
Download BIN file
SHA256 checksum: 8766fb987ca1da2223c89e0c50223080b96b13e545247151e9bc1d33deb87acb
You can get HARDWARIO Manager from App Store or Google Play.
If you want to download the BIN file to your mobile device directly, you can use the QR code below:
QR link
More details on CHESTER firmware flashing can be found in the HARDWARIO Documentation.
Unique identifier
c952d80b7cd9453b985bc519e4d27bbb
Upload date/time
2026-06-19 17:31:24
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