Clear and useful, thanks!
Also this trick allowed me to download Pro Cam!
Along similar lines since your phone was branded "German T-Mobile" variant. Try changing your region to german and see if it works.
Hold on.. I don't get it..
059R4W6 - Global black swap is a variant of german T-Mobile?
or is it a global ROM (no CV/unbranded)?
Does anyone already change to this ROM?
I have Lumia 920 RM-820 AT&T and I just want a ROM unbranded