If you want to deactivate the mailbox with your Xiaomi Smartphone, which is automatically activated by your mobile phone provider, there are several options.
The simplest method, however, is to deactivate call forwarding to the mailbox using a network code. How to do this is described below:
1. Open the phone app.
2. On your Xiaomi smartphone, switch to the keypad.
3. And enter the following GSM network code:
4. Press the Call key (green handset) to send the network code.
The mailbox is then deactivated. You now know a quick method to switch off the mailbox with your Xiaomi smartphone.