This mod is not fully working - phone detect sim without problem but switch to gsm/umts is missing in settings!!!
What is needed:
Soldering Station, Hot Air Rework Station with Nozzle Straight approx Ø7mm Dia, Solder Flux (not important), Tweezer, Small wires (you can use bonding wire from old headphones), Screwdriver and Good Nerves
Unsolder SIM IC:
Set Hotair temperature to approx 400°C and pressure to thirt.
Check video: (on video is my photon q, but removing is same)
SIM Card Connection:
! THIS IS HARDWARE MOD, SO NO WARRANTY !
...please test it and let me know - maybe some LS970 is network locked
so if you want you can donate me