Any user having a smartphone and bank account is eligible to use BHIM. That being said, you need your mobile number registered with the bank and a debit card linked to that account. You can download the app from playstore or appstore.
After installing and running the app for the first time:
On successful registration, a default ID i.e mobilenumber@upi will be created. You can add one more VPA by going in the profile section.
A UPI ID is a unique identifier which you can use to send and receive money on UPI. Think of it as an email ID which you can use to transfer money.
Device binding failure occurs due to the following reasons: