Help/Support Forced into unwanted update. Backup gone?

[Emptybucket420 0 iPhone Xr 13.6]

Well as I said in the title, I was on 13.6, jailbroke with oddysey and everything was good. One afternoon, for no particular reason at all, I picked up my iPhone XR and it was black screen with the dreaded white apple. After trying everything that I could come up with, I pushed restore on configurator, restore not update, and now... uggh 14.4.2 and erased everything. So what are the chances of some kind of miraculous ability to actually restore a backup from my iMac? iCloud? iTunes? Imazing? 3utools? Configuration profile? Xcode? Some other something I never heard of? 
apples senior advisor tells me it can't be done, but I have problems with that answer, and I am going to reach out and see if there's anything That is already known for a solution ,or if I have to get some code learnin and write a script to manually cram it up apple's server hole, um nevermind that last part. 

[Rook 566.9k iPad Pro (2nd gen) 17.4 Donor]

Hey,

If you did not previously back up via iTunes, or iCloud or any other ways, then the data is likely gone.

You could use some data restoration programs for your iPhone, but I don't think they really work. At least I've never tried them.