Comment 16 for bug 1388044

STEPS:
Pre-requisite:
Sim from another country (in my case USA T-mobile payg)
Spare sim slot

1. Insert the sim into the spare sim slot
2. Turn the phone on
3. Goto Settings→Cellular→Carriers
4. Select the sim
5. Wait for the list to fill
6. Select a carrier (In my case T-Mobile-uk)
7. Wait till it connects
8. Close settings
9. Open Settings→cellular→carriers
10. It is now on Vodafone-uk
11. After the spinner stops it is then on O2-uk
12. If I close the settings app and return once more
13. O2 is now missing from the list and automatic is hi-lighted instead.