How to send picture messenges using a Verizon S5 on T-Mobile?

creatif

    Hi,

    two days ago, I switched from Verizon to T-Mobile.

    I brought a Samsung Galaxy S5 with me. I switched the SIM card, and changed the APN settings according to what I found on the TM website.

    Everything more or less works, but I cannot send picture messenges.

    I have tried the Samsung messenger app, and also Google messenger app. Both failed.

    It just says sending, and then 'try again'.

    I also just spend 37 min with T-Mobile tech support, but the gentleman was unable to provide a solution.

    (I also spend 2 min with Verizon tech support, who confirmed that all their devices are unlocked, so that should not be an issue).

    I see that others have reported a similar problem, yet I have not found a solution to this online.

    Any help is appreciated!

    Thanks!

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