Which bank is it?
The first thing banks blame is everyone else...
I would ask them to check the interconnect between their sms gateway and the network they are using to send the messages
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iPhone 16 Pro Max - o2 and Spusu
Xperia 1V - Spusu
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This is not customer services and we dont have access to your account
I do not work for o2 or any VMo2 /Telefonica/Liberty Global Company