I think that XDA does not care about phones anymore in general. Their front page mostly covers computer things nowadays and only occasionally some iPhone news. The topic section does include anything related to Android phones.
Also, some folks at XDA were not very excited about Pro1-X in the first place. There was an article about it but I cannot find it anymore. Nirave Gondhia was mostly involved in the project but has probably left XDA since then.
I think that F(x)tec was doing some what okay before Covid. When they had to change the chip from SD835 to SD662 on Pro1-X it was
They extended the campaign 3 more days. I noticed they upped the pledge amount to $375, but more interestingly upped the retail value to $500. Would not surprise if, if they do make it to retail, it might end up at the $599 price,
Interestingly, they still have the secret perk at $325 for those who were sent the link because they were on the waitlist.
Oh yeah, I forgot that your battery started with 2 cells, but you separated them. I will probably attempt something similar, but with the batteries that @SchattengestaItbought.
I haven't taken my Pro1 X apart yet, so I won't mess with that. I will probably take the bms and connector off the MI 6 battery I bought for testing with my Pro1. I proved that it would power the Pro1. I still have that phone taken apart. We'll see if the BMS likes the new batteries and how the plug orientation works. This all assumes that the new batteries arrive on their long journey from China.