If you guys are stuggling downloading at 3 kpbs from Sammobile there is a much better way. I used SamFirm V0.3.6 Just type in your Model and Region and so for my S9 Plus it was G965F and for the UK its BTU for the region. It will then download the latest firmware that the beta can be side loaded to. FYI. Because one UI is beta it will make your play account unverified so if you use google pay etc set it up before you sideload the beta.
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