Mobile self-service renewal card

The process of self-service card replacement is as follows:

1. Turn on the original mobile phone, find a backup machine, insert a new 4G card and turn it on.

2. Edit the SMS zzhk+ temporary number of the original card to 10086.

3. If the standby mobile phone receives the short message with the number # as the replacement card, directly reply to Y, and then the mobile phone will display that the message is being sent and the card writing is successful.

4. The original mobile phone can reply to xkcg after receiving the SMS.

The temporary number of each card is different, in the upper left corner of the card.