@MMSQAre these MMS messages that are coming to you? aIf they are from o2 they are usually promotions.
Also sometimes MMS will redirect to o2's MMS site so you can view them, if your handset cant see them.
If not from o2 and you aren't expecting them then delete them.
You dont get charged anything to download them...
There is no way to preview them im afraid.
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iPhone 16 Pro Max - o2 and Spusu
Galaxy Z Fold 6 - Mozillion
iPad Pro 11 M4 - Three
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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