Three phone screenshots side by side of the Device List screen of the SolarGo app, with numbered blue badges and red outlines. Header of each: 'Device List' with a cloud icon, a help icon and a menu icon; tabs Bluetooth (selected) and WLAN. Screenshot 1: the Bluetooth tab is outlined in red (badge 1); empty state with an illustration of devices and the text 'No Device'; the button 'Search Device' is outlined in red (badge 2); link 'Not Found >'. Screenshot 2: list of found devices with a chevron each, names: CCM-4050KNAC248G0001 (with a 'Parallel' icon), WLA-5012KNAG24BL0005 (outlined in red, badge 3), WNN-52000MIA226W5006, SOL-BLE244L8002, WFA-96000ETF225W6666, GSA-8010KMSF226G8006; button 'Search Device'; link 'Not Found >'. Screenshot 3 (greyed background): list with CCM-23000EZL21B50020 and CCM-53000SSA238GS019, and an iPhone dialog 'Bluetooth Pairing Request' with the text that a device would like to pair with your iPhone, and buttons Cancel and Pair (Pair outlined in red, badge 4).

Composite of SolarGo app screens with red outlines, numbered blue badges 5 to 8 and red arrows showing the order. Badge 5 (top left): login dialog over a greyed device list with two role icons, Owner and Installer (Installer selected), an empty password field with an eye icon (no value shown), a ticked checkbox 'Remember Password' and a button 'Login'. Red arrow down to badge 6: dialog 'Reminder' with the text 'To keep your account secure, you must change your password now.' and the link 'I am aware of that'. Red arrow down to badge 7: dialog 'Change Password' with two empty password fields with eye icons, the note 'Note:8-16 characters, including digits, uppercase letters or lowercase letters.' and a button 'YES'. Red arrow right to badge 8 (right): screen 'Device List' with tabs Bluetooth (selected) and WLAN, a list of devices (CCM-, WLA-.), and the same login dialog as badge 5 (Owner/Installer, empty password field, ticked 'Remember Password', 'Login'); at the bottom the button 'Search Device' and link 'Not Found >'.

Screenshot of the main page of the SolarGo app on a phone. Header: back arrow and a device number beginning with 9015. Status pill: 'Status:Normal (On-Grid)'. Energy flow diagram, 'Unit:kW': solar panel icon with flow value 13.25 towards a house icon with 13.25; battery icon 100% with value 0.00; grid pylon icon with value 0.00. Info tiles: Safety Power Grid Code: Warehouse; Working Mode: Peak Shaving; Battery Model: LX F16.0-H-20; Battery Status: Normal; Backup: ON; Power Limit: OFF. Bottom navigation: Home (selected, blue), Parameters, Settings.

Three phone screens side by side from the SolarGo app, connected by red lines and arrows. Screen 1, Settings: Communication Settings (red box), Quick Settings, Basic Settings, Advanced Settings, Port Connection, Meter/CT-Assisted Test, Firmware Information, APP Version; bottom tabs Home, Parameters, Settings (Settings marked with a red box). Screen 2, Communication Settings: WLAN/LAN, WLAN Detection, 4G, RS485 (RS485 in a red box, arrow from Communication Settings to it). Screen 3, RS485 (title in a red box): Modbus TCP with a green toggle switched on (red box); COM Address: 0 with a blue check button, and a faint range hint; Baud Rate: dropdown, empty.

Three phone screenshots of the SolarGo app side by side, joined by red arrows. Left, 'Settings' list: Communication Settings (outlined in red), Quick Settings, Basic Settings, Advanced Settings, Port Connection, Meter/CT-Assisted Test, Firmware Information, 'APP Version: V5.6.0'; bottom navigation Home, Parameters, Settings (outlined in red). Middle, 'Communication Settings' list: Privacy & Security (outlined in red), WLAN/LAN, 4G, RS485. Right, 'Privacy & Security' page with three sections. Section Bluetooth: toggle 'Bluetooth Stays On' (off) with text: ON: the APP can continuously access devices through Bluetooth; OFF: the APP will not be able to access the device through Bluetooth; if the APP cannot search for the Bluetooth signal of the device, double-click the 'RELOAD' button on the communication module to turn on the Bluetooth signal, and use the APP to connect to the device within 5 minutes. Section WLAN: toggle 'WLAN Control' (off) with text: ON: the APP can connect devices through the WLAN local area network of the communication module; OFF: the APP cannot connect to the device through the WLAN local area network of the communication module. Section Modbus TCP: toggle 'Modbus TCP' (off), outlined in a red rectangle, with text 'ON: A third-party platform that can access inverter information through communication protocols. You can contact after-sales service to obtain the agreement.'

Three phone screens side by side from the SolarGo app, connected by red arrows. Screen 1, Settings: entries Communication Settings (red box, highlighted), Quick Settings, Basic Settings, Advanced Settings, Port Connection, Meter/CT-Assisted Test, Firmware Information, APP Version V5.8.0; bottom tabs Home, Parameters, Settings (Settings marked with a red box). Screen 2, Communication Settings: Privacy & Security, WLAN/LAN (red box, highlighted), 4G, RS485. Screen 3, WLAN/LAN with a Save link at top right: Encryption Type: WPA2/WPA; Password: field, value not shown; a red box around DHCP with a green toggle that appears switched on, and the hint: If you need to set a specific IP address, you can manually enter it after turning off DHCP; then IP Address, Subnet Mask, Gateway Address, DNS Server. Below the box: LAN: Not Connected, and a blue link: Restore factory communication settings.

Three phone screenshots side by side from the SEMS+ app (GoodWe), with red ovals and numbers 1, 2 and 3. Screenshot 1 (time 14:49): home screen with a banner 'Test' showing a white inverter; section 'Services' with tiles Warranty, Report Center, GoodWe News, Announcements; section 'Tools' with the tile 'Network Link' circled in red and marked 1; section 'Help'. Screenshot 2 (time 14:47): title 'Network Link' with tabs Bluetooth (selected) and WLAN, and a list of devices: LEM-23000LEM21B55890, WLA-96000NAW253L0008 (circled in red and marked 2), LEM-23000LEM25318015, WFA-40800EAA238W0010, LEM-23000LEM21B55898, WLA-5110KNZ500008888, WLA-8100KHTU201R0001. Screenshot 3 (time 14:47): a pairing prompt with 'Cancel' at the top right, two icons User (selected) and Installer, a password input field with the placeholder 'Please enter a password' and an eye icon, and a checkbox 'Remember Password' (not ticked); the field area is circled in red and marked 3. Below it a hint text says that if the password is forgotten, press and hold the bluetooth button on the device to restore the default password (the default value is shown in the image and is left out here), or Contact Us.

Screenshot of the 'Network Link' page of the SEMS+ app on a phone, framed by a red rectangle with the red number 4. Status bar: time 14:47, mute icon, signal, Wi-Fi, battery 64. Header: back arrow, title 'Network Link' and a Bluetooth icon (blue) at the right. Three list rows, each with a chevron: Privacy & Security, WLAN/LAN, Login Password Change. The rest of the page is empty light blue, with a black home indicator bar at the bottom.

Two phone screenshots side by side from the SEMS+ app, WLAN/LAN screen, with red outlines and red number labels 5, 6 and 7. Left screen: LAN: Not Connected; WLAN: on (toggle); Name: a Wi-Fi network name (H3C_2D63E5); Encryption Method: WPA2; Password: field with a dropdown arrow, value not shown. Red box 5 marks DHCP Automatic Obtain, toggle on, with the hint text that to set a specified IP address you turn off DHCP Automatic Obtain and use Manual Setting. Red box 6 marks the fields IP Address, Subnet Mask, Gateway Address and DNS Server, with greyed values. Below them is a WLAN Detection button and the note: When LAN and WLAN are configured simultaneously, the communication will prioritize LAN. Right screen: same screen dimmed, with a WLAN Detection popup (red box 7) and a Cancel link. The popup shows three icons (inverter, router, cloud) joined by blue check marks and the text: Network configuration successful.

Two phone screenshots side by side from the SolarGo/SEMS+ app, joined by a red arrow. Left, 'Settings' list: Communication Settings, Basic Settings, Advanced Settings, Load Control, Power on/off, Firmware Information (outlined in red; the red arrow starts here), Change Login Password; each with a chevron. Bottom navigation: Home, Parameters, Settings (outlined in red, selected). Right, 'Firmware Information' page with a back arrow: DSP FW Version; ARM FW Version; Communication Module FW Version. Text 'Tips: Please keep the mobile cloud network normal to obtain the latest firmware version information.' Blue link 'Check For Update' with a red dashed outline.