@Arlenibum
Your primary sim should be in sim slot1 and secondary in slot 2.
In the sim and network settings, choose which sim you want to use for calls, texts and data.
Each of these can be either sim, just choose which one to make default.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
