Release notes: Firmware

Latest Firmware Version

Version	Date	New features and settings	Bug fixes and improvements
EVC2xx V2.3.0	2026.08.10	Added control over solar power, charging modes, randomized delay and scheduling settings when OCPP is enabled. Simplified the Diagnostics Voltage fields for 1-phase chargers. Added functionality to increasee maximum randomized delay duration up to 30 minutes. Added the option to adjust randomized delay through external means such as secondary DLM devices or the app via ESP.	Fixed secondary Modbus devices sometimes not taking on new data passed from the primary. Fixed solar modes not working correctly via DLM TCP. Fixed solar related charging data not being observed when DLM TCP is used. Fixed secondary TCP device timeout configuration not applying correctly from the app or external control. Fixed wrong error code appearing if a status notification is triggered while a warning is already displayed. Fixed maximum current exceeding grid maximum in particular DLB configurations. Fixed Wi-Fi connection issues after charger reboot. Fixed an issue with eSim charger connectivity after reboot.

Previous Firmware versions

Version	Date	New features and settings	Bug fixes and improvements
EVC2xx V2.2.8	2026.06.18		Improved connectivity to remote management system.
EVC2xx V2.2.7	2026.06.04		Fixed OCPP wrong StatusNotification errorCode after trigger Fixed troubleshoot file high/low voltage naming Fixed 3phase delta grid failing to check input voltage
EVC2xx V2.2.6	2026.05.01	Added new solar charging modes for Dynamic Load Management, including Solar Only, ECO, and Hybrid modes. Added new Dynamic Load Management capabilities, including potential-free contact support, dynamic IP device discovery and reconnection, and configurable 1-phase charging behavior. Expanded Modbus meter support with additional Eastron and ABB meter models. Added installer setting for IT grid voltage sampling. Added an NFC reader cooldown to prevent accidental repeated actions.	Improved charging session recovery, troubleshooting logs, and reboot reporting after power loss events. Improved solar charging and Dynamic Load Management stability, including power limit handling, Modbus TCP communication, ECO mode synchronization, and DLM failsafe behavior. Improved communication stability for Bluetooth, LAN, and WebSocket connections. Improved charging session energy graph accuracy and HomeWizard P1 meter data handling. Improved OCPP configuration request handling and tamper event reporting. Improved internal time synchronization.
EVC2xx V2.1.5	2026.01.06	UK product code handling	NFC scanning module improvements Fixed bugs where the settings were not being saved while switching power selector Improved OCPP handling when starting/stopping charge Various bug fixes related to parameter and information handling
EVC2xx V2.1.0	2025.11.24	Support for Shelly 3PRO meters added more information: Shelly 3PRO configuration Modbus TCP device control enabled New settings: Max group load & Max grid load for DLM/DLB functions 2x RS-485 port support more information: 2x RS458 support EVC2XX potential-free contact support more information: Potential free contact Power rotary switch implementation for easier setup more information: Power Selector Switch Automatic grid type detection and phase rotation support LAN-based device control via EV charging app, previously it was possible through Bluetooth only Automatic firmware updates support Changed installer menu code to 4 digits	Various metering and charging bug fixes Various Modbus and OCPP communication protocol enhancements Charger stability issues resolved Bluetooth, NFC and UI features improved

Updating

Use our app to update the station manually

1. Use app and go to settings, scroll down and press Device info;
2. Press Check for updates;
3. At the top, current firmware version can be found.
4. User has 2 options: to update from our cloud or by manually uploading a firmware file to the charger.