A really useful security enhancement to your phone is to implement a SIM lock which ensures that only the pairing of your phone with your SIM can be used together. Thus meaning that a SIM taken out of your phone cannot be used in another phone to receive confirmation text messages in financial scams.
I wrote about this in the post Stolen phone & SIM locking
Towards the bottom of the post the procedures to be followed are described. You just need to remember the PIN you’ve given to the SIM to lock it, as without that it will be IMPOSSIBLE to reconnect your phone to your SIM and your phone number.
