I just picked up my replacement Max and now I'm waiting for my watch to stabilize (first gen real slow) so I can unpair it (you have to back up/unpair any watches first) then iTunes backup the old X then new iPhone recovery....
I just got my Galaxy S9 within the past week. I am running SCP. The results are interesting. It seems to stay stable on Sprint B25, but it does see on the report some other B25,B26 and sometimes a B41 neighbor cells all with only slightly higher negative numbers.
This is all when WiFi is disabled on the S9. My WiFi is 5 GHZ running anywhere from 260 Mps to 650 Mps. I have for short periods seen WiFi faster speeds.
My XS Max has shipped from Phoenix. Best Buy usually sends it by UPS, but today they did through FedEx. I guess we will see how things work when I get it and try using it for phone calls in the weakest Sprint area in Pahrump.