# 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.