It may be your mobile phone, not the bank. It may also be a network problem. Generally, it is caused by insufficient memory in the mobile phone. It is recommended to clean up the memory of the mobile phone after stopping the pocket banking program before starting to use it. If the flashback problem still exists after clearing the memory, it is recommended to uninstall and delete the reloaded APP. Uninstall the original pocket bank and download a new one. (Apple 12, ios 14, China Agricultural Bank App .7.0) Pocket banking client series refers to ABC's use of wireless networks and intelligent mobile terminals to provide customers with information inquiry, transfer, remittance, payment, credit card, mutual transfer of fixed accounts, third-party depository, message customization, account management, fund transaction, Shuanglifeng and wealth management through client programs.