Op doesn't say where he lives so pointless saying where i went. I've said loads of times that the place to go is Bangkok Bank Pattaya 2nd road by top of soi 6
Try setting up again
https://m.facebook.com/?locale=en_GB&_rdr
Maybe use a VPN if a problem, I'm surprised they are asking you for ID, most people don't use their name in their account
Try different banks, different branches, i opened 3 with tourist visa, Krungsri, Bangkok Bank, Kasikorn.
If you're really struggling pay for the insurance product in branch, some insist on that, or use an agent
I stopped using Ookla Speedtest as results were unreliable and often way over speeds allowed, most people ignore that because they want faster speeds, ignorance is bliss and all that. If you compared with testmy.net using a fixed speed sim you'll see the difference