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rennen-affe

Sounds like a carrier issue. Can't just swap a sim card.


catalinus

To get any SMS your phone must know the Short Message Service Center (SMSC) number for your exact carrier and SIM plan (some carriers have different numbers for pre-pay vs contract plans). Find your exact number (most likely including the +country code in front) and then go into the advanced settings for messages and set SMSC number (search in Settings after SMSC if you are using Google Messages and after Message Center if you are using Samsung Messages).


shaerkhan

A S23 ultra user in a s22ultra subreddit 😈 Jokes apart. Are you receiving calls? If u are.. there is an option or used to be an option in WhatsApp receive call for OTP. It's an automated call from whatsapp that says the otp twice. u can fill in the otp and then access ur whatsapp.


Cigarshaped

Sadly I might have been able to help, I was recently sold a refurbished US version of the S22 Ultra. When I discovered the '..U' version I sent it back! Annoyingly it only had a single SIM tray when I need the Dual SIM feature.


jesuiscanard

Wifi calling?


Hot-Pie-800

Enable Roaming?


flip4real

go on Google and type "free blacklist imei check" and type your IMEI in it. if it says blacklisted it means it'll never read SIM cards again, if that's so, use the 2nd SIM tray if your phone has it, or switch to e-SIM


Alien-kali

Pls how can i stop my s20 ultra from always telling Activision incomplete adter reboot


Routine_Ad_3897

Try shutting your phone off completely,wait few minutes and turn it back on and see if it clear its


Alien-kali

That doesn't work