# Firmware
When your power plant equipment has been connected to the server of the smart energy management platform, you can upgrade the DSP/ARM version of all devices under your name in the APP, the specific steps are as follows:
① Open Smart M.
② Click [Firmware] to enter the device data list.
③ Click on the of the device data to enter the version selection page.
④ Click the button in the version data that needs to be upgraded to start the upgrade.
# Batch upgrade of multiple devices
① Open Smart M.
② Click on Service - [Firmware Upgrade] to enter the device data list.
③ Click the checkbox before the device name and select multiple devices of the same model (up to ten devices can be upgraded simultaneously)
④ Click the [UPgrade] button that pops up at the bottom to enter the version selection page.
⑤ Click thebutton in the version data that needs to be upgraded to start the upgrade.
# View upgrade records
① Open Smart M.
② Click on Service - [Firmware Upgrade] to enter the device data list.
③ Click on the device data to view the upgrade records/current upgrade progress of the device.
##View batch upgrade records
① Open Smart M.
② Click on Service - [Firmware Upgrade] to enter the device data list.
③ Click the [] button in the upper right corner to enter the upgrade record viewing page.
④ Click the [Batch] button to enter the batch upgrade record page.
⑤ Click the button on the right side of the batch upgrade task data to view the completion status of the upgrade task.
# Firmware package upgrade
In order to facilitate your need to upgrade firmware multiple times during use, Smart M integrates firmware versions into one upgrade package, allowing you to upgrade all firmware versions of the inverter at once.
① Open the app, click on [Service] - [Firmware Upgrade] to enter the device data list.
② Click the [Upgrade] button on the device operation bar that needs to be upgraded.
③ Click the [Firmware Package Upgrade] button on the pop-up [Upgrade Type Selection] page.
④ On the pop-up [Package Clearly] page, click the [One Click Upgrade] button.
⑤ Wait for the entire upgrade task to be completed, and the upgrade status will change to upgrade completed. You can continue to use the inverter.