Which build of Android 6.0.1 should I put on UK unlocked S5/G900F?

[King Mustard]

I have an unlocked UK Galaxy S5/G900F.

Which of the following should I install? [screenshots attached]

Or should I wait?

 

[ironass]

The official answer is to flash the one that matches your Product Code if you wish to receive future OTA updates. See, #1.8 of 42 Galaxy S5 models - Dummies Guide

Alternatively, you can wait for the latest version of Marshmallow, (one was released in February), for the unbranded U.K. model.