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What is the reason for the failure of online payment of silver multi-network UnionPay?

There are four situations in which UnionPay online payment fails:

1. overrun: the limit of each card is not only for Jiangxi Bank, but also for online payment of UnionPay on other platforms.

2. The bank card balance is insufficient.

3. UnionPay online payment service is not enabled on the bank card: Under normal circumstances, users will be reminded "Please enable UnionPay online payment" when recharging. This situation is not clear, so we should rule out the first two possibilities before considering this situation. Please consult the bank.

4. Incorrect personal identification information input: 1) The mobile phone number entered by the user when opening UnionPay online payment is not the mobile phone number reserved by the bank. 2) Ask the user to check whether the bank card number matches the bank and location.