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What should I do if I report an error of 302 using ICBC U shield transaction?
When you use the universal U-Shield transaction through Android mobile banking, if you encounter the prompt of "302, U-Shield signature failed or not completed", it is generally caused by the fact that the audio authority of the mobile phone is not turned on or the sound effect tool of the mobile phone conflicts with the U-Shield. Please turn on the audio authority through your mobile phone or turn off the sound switch in the settings.