Tab selection vs Drop down selection

I'm trying to figure out what is the best UX that I could possibly implement for a mobile phone app. Either selecting of data via tab header or a dropdown.

Solution 1 - Tab Header

It is easy for the user to see available sections/data using this solution.

The one problem that I can see is, there are some instances that the user didn't see the available tabs from the right since it is hidden and user needs to scroll horizontally to see other available tabs, one of my target users is old people ages 40-60 with weak knowledge in technology.

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Solution 2 - Dropdown

One advantage of implementing dropdown that I foresee, is for the users to see all the available actions/information/data that the user can interact with.

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I just want to get your insights into these 2 solutions. Feel free to correct or recommend other approaches.

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