For the terminal whose firmware version is old, the platform can automatically detect this terminal need to be upgraded, and you can manually upgrade the terminal's firmware.
On the top navigation bar, select to enter the device management page, and then click on the left navigation pane.
beside the terminal name
indicates this terminal's firmware is old and firmware upgrade is required.
Click
to enter the Upgrade
Device page.
Select the terminal(s) to be upgraded, click Local File to select the firmware package, and then click Upgrade to start upgrading.