Please restart your's device then go to settings and click on software update and update your's device. You will be get it soon. If you like please accept as a solution it's help to others users also, click on 3dots in my reply section and click on accept solution. Thanks.
As per Samsung's schedule notification sent to all A55 should get one UI 7.0 not later June 2025. Keep checking and be patient. Mobile service providers also customise the OS to add their apps (bloat ware), test before release which adds to the delay.
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