Rievtech x-Messenger Series - How to Modify the PIN Via SMS

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3.3.1.4 How to modify the PIN via SMS
Note: 1.The PIN code of SIM card must be set on cell-phone, here PIN is only for the x-Messenger.
2.Only when the PIN you set into x-Messenger is the same as the one of SIM CARD, and then the SIM
CARD would be in service in normal.
The PIN of x-Messenger can be set in the eSmsConfig from the menu “SMS->General Settings”