Please download the latest firm wares from following links
V01.26.34.00 Release Note (signed firmware)
V01.26.37.00 Release Note (signed firmware)
V01.26.38.00 Release Note (signed firmware)
NB
- Firmware upgrade procedure can be found in section 3.5.1 of installation manual.
- Unzip the file before uploading, and do factory reset after firmware upgrade.
- Signed firmware cannot be downgraded to older, non-signed firmware (versions below V01.26.31.00).
- Also you can download Delta AC MAX app from Google Play or App Store to control and set up your charger. Ensure your charger’s firmware is version V01.26.37.00 or higher.