Default I got fraustarted by this !!! help me out if you can..ASAP

Hello XDA Community,

I just recieved this Phone HOX+.
I am little bit confused whether it's international or ATT bcoz when I got this phone it was already S-off, Unlocked and Rooted.
I had this specs ago :

It has stock ROM comes with the phone and yes the recovery is of Teamwin

My Mobile's Specs Before flashing ROM ( Came with my Phone) :

Android version : 4.2.2
HTC sense : 5.0
software number : Elegancia_6.2.0
HTC SDK API level : 5.41
Baseband version : 1.09.55_17_18.20.95.55L
Build number: 2.15.502 CL280456 release-keys


unfortuntely I flashed the Elegancia_5.7 so I Downgraded to android 4.1.1 and sense 4+ which is very ugly..


My Mobile's Specs After flashing ROM ( Came with my Phone) :
Now there below this are not working.

Android version : 4.1.1
HTC sense : 4+
software number : Elegancia_5.7.0
HTC SDK API level : 4.63
Baseband version : 1.09.55_17_18.20.95.55L
Build number: 1.19.502.1 CL161932 release-keys

1.)Wifi
2.)Hotspot
3.)SDcard is Unavailable


My Problems :

1.) How can I know whether my Phone is ATT or Internation after the above specs?
2.) How can I fix the problems I stated?
3.) How can I go to the previous state before flashing I mentioned above?

Using My Rom "SMART ENERGY OF HTC XPERIA Z ULTRA 4.2.1"

My Works:

HTC Xperia Rom : http://forum.xda-developers.com/show....php?t=2424963
T-mobile ICS Debloated Rom : http://forum.xda-developers.com/show....php?t=2477549


Hit That THANKS Button If I helped You !!!