What's wrong with SMS notification of bank card?

As an auxiliary tool, SMS reminder can check the account entry and exit in the card in real time. It's all because of signals and other reasons. Occasionally, a deduction failed to receive a text message in real time. Therefore, it is recommended to log in to mobile banking to check the details, or go to the outlet to check the card details yourself. Subject to the details. The problem of signal delay occurs from time to time, sometimes in the place where the signal is not good. It is also possible that the prompt to trade first was received late. Subject to the details.