Backend Security Improvements PVS5 fwup fix

Improvements to PVS communication security Fix for an existing PVS5 firmware update bug Improvements to the PVS6 firmware update process

Internal API updates

Upgrades the scanner application in Pro Connect

Improvements: The Tesla storage option is available in every state. The Power Control System (PCS) feature is now available for single-inverter SunVault storage systems. Bug Fixes: Resolves the issue where the app does not retain the PVS Wi-Fi network credentials during return visits

Improves the display of variables during SunVault System Checks. Places third-party storage information behind a dedicated feature flag. Enhances iOS builds for the Apple App Store.

Improvements: New feature notifies users when the PVS they are connected to is experiencing excessive flash memory wear. This alert serves as prompt for technicians to initiate a RMA for the affected PVS and to replace it with a new PVS to ensure optimal site performance. The scanning feature has been enhanced to better scan third-party battery serial numbers. Bug Fixes Fixed a bug that prevented users from returning to the previous screen while viewing “Errors and Warnings” on the “Error Detail’s” screen during the “System Check” report. Fixed a bug that occurred in the Configure tab; when clicking "Submit Configuration," it incorrectly displayed an "Error While Setting Export Limit" message.

Improvements: Ability to add third party storage information. Improved Ethernet connection detection. Clarified the RSE information text on System Configuration page. Bug Fixes Fixed an issue where the RETRY CONNECTION button would not appear after finishing the PVS FW Upgrade. The GO BACK button on the PCS modal is again functional.

Improvements: (Enphase features will be rolled out gradually) - Ability to commission Enphase storage systems in meter-only configuration. - Enphase storage system serial number is captured in commissioning report. - We now verify the serial number of the PVS every 5 minutes to ensure you are connected to the PVS you are commissioning.

Improvements: - Ethernet support for PVS6 commissioning: You can now connect to a PVS using an ethernet adapter and commission the system. This aims to provide an alternate mode of connection to the PVS where you do not have to wirelessly connect to the PVS6 access point over WiFi, ensuring higher reliability of connection. - Ability to add Enphase storage information in ProConnect: With this feature, you can now add Enphase storage details through ProConnect. This is independent from commissioning Enphase storage in the Enphase commissioning application. This feature will be iteratively rolled out to more users. Bug Fixes: - The "We could not find onboard meters. Please run discovery again" banner was appearing even when meters were found. This issue has now been fixed. - A bug caused the “We couldn’t set the operational state, please try again” error to appear even after successfully setting the operation state. This should no longer happen.

Improvements: Additional messaging during PVS5 commissioning to provide you with next steps when required. Improved messaging on Manage Firmware screen when certain firmware packages fail to download. Bug Fixes: Sometimes if your device loses connection to the "PVS" after connecting to it on "SELECT A PVS" screen the modal "Please reconnect to the PVS" was not be shown - this has now been fixed. Fixed an issue causing occasional app crashes.

Improvements: You can now enable panel level monitoring directly from ProConnect. This is available in the Panel Layout feature on the Submit Configuration page, and you can enable it once the panel layout is built. We now inform you when the WiFi connectivity is poor or when you’re commissioning on cellular. We improved the messaging for when you fail to submit configuration.

Improvements: - You can check your PCS access from the Settings page on ProConnect. This means that you can check your access to commission PCS systems at any time, even when not on-site. - We’ve added voltage readings of the Hub+ on the commissioning report. - We have a new scanning software to scan microinverter serial numbers. Bug fixes: -Previously, the Firmware Management sometimes prompted you to download FW packages even when they were up-to-date. This issue has now been fixed. - We made some improvements to the SunVault pre-commissioning tasklist. - When updating the grid profile fails and you retry, there was no loading UI on the app. We’ve now resolved this issue so you’re aware when the retry is in progress.

Improvements: - Changes to commissioning report - Added messaging when there is a delay in claimed MIs being shown on the app Bug fixes: - Discovered but unclaimed MIs were not filtered out previously on module selection screen. This is now fixed. - Connectivity improvements between ProConnect and PVS. - Improved error handling on the Grid profile reports page.

Improvements: We've added a SunVault pre-commissioning tasklist with images of wiring to walk you help verify wiring before beginning the commissioning of SunVault. With this, we aim to help reduce workmanship issues and SunVault commissioning times.​ We made changes to the bottom bar in ProConnect to inform you a)which section of commissioning you're on, and b)which sections of commissioning you can access at that moment.​ Updated commissioning report: In the commissioning report, we also provide the storage system size during an initial commissioning. Previously, this value was not available during initial commissionings. Also, the report will be available in SPFM under 'New Reports' on the site right after you finish commissioning a site.

Improvements: Upon a successful commissioning, we now upload a commissioning report to SPFM on the customer site. You can access this report at any time to review system configuration during commissioning. Improvements to commissioning report - we’ve added new fields and updated some existing fields for better readability. Bug Fixes: The app downloaded wrong firmware files sometimes when you refreshed the Firmware Management page. This issue has now been fixed. Clear messaging when you fail to submit configuration - previously, multiple issues were flagged through one error message. We’ve now broken them down to be displayed with distinct error messages. UI bug fixes

Improvements: PVS5 commissioning improvements. Previously, you could refresh the panel layout data before submitting configuration and the unsaved data would be lost. We’ve now added a warning to ensure that you’re aware before refreshing the panel layout. Bug Fixes: There were some UI issues on devices with large screen resolution. We’ve fixed them now. The message which informed you of an in-progress connection when connecting to a WiFi network disappeared before a connection was established. This should no longer happen.

Improvements: We inform you when the information in the live data page is not up to date. Bug Fixes: UI bug fixes in MI discovery screen and Search for Site screen. Generating a commissioning report on the first trial was previously failing sometimes. This has now been fixed.

Improvements: Ability to scan U-series panel serial numbers in ProConnect: You can now scan U-series panel serial numbers from ProConnect in the Customer Information page. This step is not linked to commissioning and you can scan the U-series panel serial numbers during installation. The scanned panel serial numbers will be linked to the site. We support 200A CT rating in addition to the existing 100A CT rating on the Site Settings page. On the Site Settings page, we updated the text for the pop-up which appears when PVS does not detect a voltage. Improvements to commissioning report PVS5 commissioning improvements Bug Fixes: In the Submit Configuration page, the Apply button was sometimes stuck at 0% for Remote System Energize. This should now be fixed. Discovered but unclaimed MIs were not being filtered out on the "Devices on this PVS" screen. This logic has been updated to filter out unclaimed microinverters. PCS flow bug fixes Grid profile reports in knowledge base could not be downloaded. This is now fixed.

- Hotfix to resolve the screen formatting issue for larger screen resolution devices - PCS improvements: (Access to PCS screen requires completion of PCS training) - We moved PCS screen to show after pre-discovery, to ensure that you’ll be shown the PCS screen only for multi-inverter systems. - We’ve added an additional layer of checks for PCS - we now ask you if a site has PCS or not, and would only show the PCS screen if the site is a PCS site and you have PCS access. If you do not have PCS access, you will not be able to commission the PCS site. - Improved module type selection: We’ve made changes to the screen where you select the module type by making it more intuitive and reducing the number of clicks required. You can now select the module type and it’ll apply to all MIs. You also have the ability to change the module type of individual MIs if required. - We’ve improved the formatting of the commissioning report and we also provide grid profile selection info for every MI. - You can download the grid profile reports straight from ProConnect! They’re available on the Site settings page, Configuration page, and the Knowledge base. Bug Fixes: - Longer feedback could sometimes not be sent previously. We’ve fixed that issue. - UI-related bug fixes on MI discovery and storage discovery screens. - You previously would sometimes not be able to scroll to the bottom of the ‘Firmware Management’ screen if you had opened all the FW version drop downs. This issue has now been fixed.

Improvements: PCS improvements: (Access to PCS screen requires completion of PCS training) We moved PCS screen to show after pre-discovery, to ensure that you’ll be shown the PCS screen only for multi-inverter systems. We’ve added an additional layer of checks for PCS - we now ask you if a site has PCS or not, and would only show the PCS screen if the site is a PCS site and you have PCS access. If you do not have PCS access, you will not be able to commission the PCS site. Improved module type selection: We’ve made changes to the screen where you select the module type by making it more intuitive and reducing the number of clicks required. You can now select the module type and it’ll apply to all MIs. You also have the ability to change the module type of individual MIs if required. We’ve improved the formatting of the commissioning report and we also provide grid profile selection info for every MI. You can download the grid profile reports straight from ProConnect! They’re available on the Site settings page, Configuration page, and the Knowledge base. Bug Fixes: Longer feedback could sometimes not be sent previously. We’ve fixed that issue. UI-related bug fixes on MI discovery and storage discovery screens. You previously would would sometimes not be able to scroll to the bottom of the ‘Firmware Management’ screen if you had opened all the FW version drop downs. This issue has now been fixed.

Improvements: In the PCS screen, we now help ensure that you select busbar and breaker rating values before you move to the pre-discovery screen. We also updated the formatting of PCS text so you can easily identify the PCS current setting. When recommissioning a PCS site, you'll be informed if a site already has PCS through a banner in-app, so you are aware of the requirements. You can now give Appstore and Play store ratings to ProConnect directly from within the app. Bug Fixes: Previously, when downloading latest firmware from ‘Manage Firmware’, if you switched to start the install while the FW was downloading, a bug let you begin commissioning. We’ve fixed this now - so we will show you a screen requesting to wait until firmware is downloaded before beginning commissioning. The back button on the pre-discovery screen, and on the live data errors screen were not redirecting to the correct page. This is now fixed. When trying to submit configuration after setting AC module type or after already submitting once, you received a message to ‘Please complete all steps’ which was not the intended result. This is now fixed. The PV system operational state on the ‘Submit Configuration’ page was stuck at 0% sometimes. This issue is now fixed. Previously, when providing feedback, if you changed the rating, the feedback you typed reset. We’ve now fixed this issue. Multiple UI formatting fixes

Improvements: Bus bar and breaker rating drop downs will now show only the applicable current values. Bug Fixes: Controller status previously incorrectly showed Not_running on the SunVault system report. This has now been fixed. IOS users on an earlier version of ProConnect were stuck in the PVS Firmware Upgrade step at 'Uploading files to PVS' although the FWUP was completed successfully in the backend. That issue is now fixed. Multiple UI formatting fixes and updated plug-ins to improve app stability Previously, if a user already connected to a PVS and their connection dropped, they would be stuck trying to connect to the PVS if the PVS WiFi is not available. We've now fixed this issue show the user a screen for next steps if we fail to detect WiFi access point of the PVS.

Bug fixes: Fixed a bug which caused the “Grid Profile integrity check” modal to appear when it shouldn’t. Fixed an issue with the SunVault status widget on the “Live Status” screen. It will now correctly display the current status of SunVault. If the app got disconnected from the PVS on the “Scan your microinverters” screen, the user was stuck due to overlapping UI elements. This is now fixed. Added commissioning improvements to prevent PCS events from getting triggered during return visits. Various bug fixes and improvements to stabilize the PVS FW upgrade process.

Improvements: We’ve heard your request and released the functionality so you can commission easily under the glaring sunlight. ProConnect display will now have light mode in addition to the existing dark mode.You can find the toggle for Light Mode in the App Menu - Settings. You will now be able to change the value of CT pairs at the System Check Result Page in response to a CT-related error. The commissioning report you generate will also contain the firmware versions of all devices. When a modal appears on the screen, we now hide the bottom bar for better viewing. Bug fixes: ProConnect sometimes showed no PVS connection (the top-right icon). This has now been fixed. Sometimes when you’re trying to connect to WiFi, the list of networks showed up empty with no error message or retry button. This is now fixed. Previously, the app sometimes hung at the ‘Submit Configuration’ step without timing out. This is now fixed and you’ll see an error message asking to try again instead. Other UI-related fixes.