After 5 minutes of experience, it looks like the AT&T 100 Gig plan prepay for $55 works just fine with my Winegard Connect 2.0 4g. I had been running it on Verizon with 15 gigs for $20. My local AT&T store knew of the 100 gig plan but they were quite sure that it would not work with the Winegard since I couldn't bring it into the store for configuration. We also had a Catch 22 for a while when they refused to sell me a SIM since they couldn't have the device in hand. After my insistence that it would work they set up a new account (not previously an AT&T customer). I think they were surprised when I could provide an IMEI number from the sticker on my owner's manual (be sure to take your manual to the store.) Initial cost was $55 prepay, $15 activation, and $5 SIM card.
The next day I configured the Winegard:
1) Configured it to connect to my home WiFi.
2) Turned the power off.
3) Went to the RV Roof to remove the Verizon SIM and insert the AT&T SIM.
4) Turned the power back on.
5) Connected to Winegard with my tablet.
6) Logged in as admin.
7) Checked that Winegard was still connected to home WiFi.
๐ Migrated to the Change Provider menu and changed to AT&T.
9) It will take a few seconds to download to the modem--click Continue and Proceed buttons as needed.
10) When the program configuration is done, migrated back to the Admin home page and select 4G/LTE instead of WiFi for the Winegard connection.
11) Wait for the switch, and then check your tablet of other device connect to make sure it is still connected to the Winegard (the Winegard will go dead while switching; then my tablet will switch to an alternate WiFi; then, the Admin page will complain that it can't connect, and the whole problem is I have to connect my table to Winegard again.)
I was very impressed that it configured quickly and took right off and ran fine. No messing with PINs or chatting with online support. I was also able to create a "Prepaid" account and set up a credit card hit for the monthly bill.
Feel free to post questions--I'll monitor for a while.