We do not provide ROMs. You need to get the ROMs yourself. If you don't know how, we recommend looking for guides on Google or Youtube.
To import or change a ROM, you need to go to "client management" in the login menu.
If you are trying to import or change a ROM and are getting an error, you can see below how to solve it.
MIUI devices:
You might need to enable the MIUI optimization in the developer settings.
Any other Android devices:
Try using a different file manager if possible. You can download one on Play Store.
iOS:
Try enabling the alternative file selection method clicking in the settings icon in the rom upload screen.
ChromeOS:
If none of these solutions help, contact our support.