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Summary
Purdue Mobile ID is limited to one phone and one watch per user. If you receive a "Device Limit Reached" message when attempting to add your Purdue Mobile ID to a device, your Mobile ID is already assigned to another phone or watch. This most commonly happens when replacing or upgrading a mobile device.
Question
Why am I receiving a "Device Limit Reached" message?
You may see the following message when adding your Purdue Mobile ID to a device:

This error occurs when your Purdue Mobile ID has already been added to the maximum number of devices permitted. Purdue allows:
Answer
Before you can add your Purdue Mobile ID to a new device, it must be removed from the old device.
This issue commonly occurs when:
- You purchase a new phone.
- You replace a damaged device.
- You restore a device from a backup.
- You previously added your Mobile ID to another phone or watch.
Apple Devices (iPhone and Apple Watch)
If the previous device is no longer available, you must remove the Purdue Mobile ID from the old device through your Apple Wallet or associated iCloud account before adding it to a new device.
After the credential has been removed, try adding your Purdue Mobile ID again.
Android Devices
Android users who receive this message should contact Purdue ID Card Operations for assistance. ID Card Operations can help remove the credential from the previous device and allow it to be added to a new one.
Frequently Asked Questions
Can I have my Purdue Mobile ID on two phones?
No. Purdue Mobile ID can only be active on one phone at a time.
Can I have my Purdue Mobile ID on a phone and a watch?
Yes. Purdue Mobile ID can be active on one phone and one watch at the same time.
I got a new phone. What should I do?
If you are replacing your phone, remove your Purdue Mobile ID from the old device before adding it to the new device.
I no longer have my old phone. What should I do?
- Apple users: Remove the Purdue Mobile ID associated with the old device from your Apple Wallet/iCloud account.
- Android users: Contact the Office of the Bursar at 765-494-7570 during normal business hours for assistance.
Who do I contact if I still cannot add my Purdue Mobile ID?
Contact the Office of the Bursar at 765-494-7570 during normal business hours for assistance in troubleshooting your Mobile ID credential.