please let us know what CID your phone is.
You can do this by hooking up to XS++ or se tools and looking at the log.
Or you can copy the log here.
You can debrand your phone using generic firmware but depending on the CID will lead to you using the correct software.
Cid 52 and some previous cid's can be unlocked via patch where as CID53 cant be unlocked at present by patching. You can however use a pay service like davinci to attain this