Hi,
If you want to add a new device to your AirDroid account, you can just sign in to AirDroid app on that device with your AirDroid account. Next time you sign in to web.airdroid.com, you'll be asked to select a device to continue.
More detailed guide on Multiple device support: http://help.airdroid.com/customer/porta ... ce-support
If this doesn't help you, please tell us more details of the issue. Thanks!
If you want to add a new device to your AirDroid account, you can just sign in to AirDroid app on that device with your AirDroid account. Next time you sign in to web.airdroid.com, you'll be asked to select a device to continue.
More detailed guide on Multiple device support: http://help.airdroid.com/customer/porta ... ce-support
If this doesn't help you, please tell us more details of the issue. Thanks!