Why is BHIM UPI not working?

BHIM UPI may not work due to temporary bank server downtime, weak internet connectivity, or incorrect UPI PIN entry. Ensure your mobile number is linked to your bank account and the BHIM app is updated to the latest version. Other common issues include insufficient account balance, exceeding daily transaction limits, or the bank's technical maintenance. If device registration fails, verify you have a sufficient SMS balance and have granted necessary app permissions for SMS and network access.