Repeatedly received a blank message of 10654040.

10654040 is the mobile device registration identification number. When the new mobile phone is turned on, the IMEI information and software version number of the mobile phone must be registered. The mobile phone will reply you whether the registration is successful or not, and the sending number is 10654040.

LZ must have signed a marketing package, because sim cards and mobile phones should be used at least once a month in the first three months.