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The issue only occurs with AT&T sim. I have verified. No popup with other carrier sims.

It is from Best Buy bought new unlocked . The unlocked s22 is on ATT whitelist for sure. Customer service verified my IMEI It is definitely a U1 version, I have the original box, I can verify the...

Model is SM-S906UZGE / SM-S906U1 I used it with Visible, I have TMO on eSim

I also keep getting "Send USSD failed" - maybe its trying to send a code to undo the prepaid popup

Hi,
I have been using my phone with other carriers and decided to switch to ATT Prepaid. The phone is the unlocked /unbranded version SM-906U1

Whenever I reboot phone, I get a popup, sometimes...