2 questions
1-Can we update our phone EROM using FOTA EROMs that exist in TOPSONY or not?
If yes with which program XS++? If no why we can't use ???(because i heard that we can use fota but im not sure please correct me)

2-For updating CID have we use special program or script to update it(e.g K800 CID49 to CID52) or we can do it by flashing CID52 FW ?

Thanks.