www(dot)htc(dot)com/www/smartphones/htc-butterfly/
So let's look at what we have now.
Droid DNA without microSD but has wireless charging.
J Butterfly with microSD but no wireless charging for Japan
Butterfly without microSD and no wireless charging for China (X920e)
and now we have another butterfly which has a microSD slot but no wireless charging and this one is most likely the international version. (X920d)
ok
the diffences are more subtile than that.
the DNA and the X920e (not actually referred to as the butterfly) are 1:1 analogs
the wireless charging is in the backplate, and can be enabled. other than the backplate and Chinese software, it is 100% the DNA.
the j butterfly is also the same phone, but with 2 differences (back plate, and SIM board) the sim board is the external interface board, has the camera, sim card, ant, and others. their backplate is larger at the top to accommodate the sdcard mounting location, (and moreso the access door)
I have not seen the butterfly (non J) but it seems to be the J butterfly with english software (multi ling)
most of this info is from teardowns....
and yes it the parts are sourced, it seems we can get a SDCARD on our phones.
Japaneese version is the best
Wireless charging isnt good thing at all.
Japanese version = water resistance, microSD, soft-touch plastic rear panel.
Euro version = no water res., microsd, no soft-touch plastic rear panel.
DNA = crap...LTE is plus...but too tiny.... better use 3G and have water res and microsd (16+64gb microSD)
they all are water res, they are all glued and sealed togeather, the wireless charging is within the standard, and "easily" increased by 25% (or more, haven't done the #'s for more than ~25%)
the soft touch doesn't matter if you use a case. - but i agree, I would have liked more options.
LTE is awesome, don't hate a phone because it has it and you cannot get the service.