When attempting to tap the green GET NOW button to make a purchase in the Unit Store, you receive the following message: “TRANSACTION INCOMPLETE. You must be signed into a Google Account on your device to purchase items.”
The likely cause is that you may not be signed into your Google Play account.
To resolve this issue, complete the following troubleshooting:
- Try making your purchase again at a later time.
- Ensure you are logged into your Google Play account by logging out and back in again.
- Contact Google Play Support for further assistance.