sdg.matiaan
2018-06-08 17:02
To change just the SIM number of a SIM, first change the Cell Phone Number to a unique number (by adding an 'a' behind the number)
then click Submit
Then check replace and change the SIM number and Cell Phone Number to what it should be
When replace is checked it will always create a new SIM card. After submit, the old SIM card will be the selected one.