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How to change Unicom service password

Unicom service password modification method is as follows:

1. Call the customer service hotline 100 10. Enter the original password and modify it according to the voice prompt.

2. Reset the password through SMS business hall, send SMS "405" to 100 10, send "MMCZ" to 100 10 according to the reply information, and enter "MMCZ#6 new password # 6 digits after ID card" according to the reply information to reset.