I've had my Pixel XL for 7 or 8 months. Every monthly security update has installed fine until December. It installed Tuesday and yesterday I got an error message from Textra saying "can't get MMS" which I didn't pay much attention to. Got it again today so I checked my APN settings and my APN (for Consumer Cellular) was gone! There were a couple of generic AT&T APNs instead. I re-created the APN for Consumer Cellular and then received the picture I had been sent. Just curious if anyone else has experienced this issue for a monthly security update.