Please help the amatur Friend :)

Hi Freinds
I am new User of Xiaomi Hongmi WCDMA Phone. I recieved my phone with multilanguage rom ( with superuser program ..with viber , whatsup , facebook and google play ,,,with Go Keyboard ) the rom have some bugs and come with go keyboard and have all world phone sytem languages .
These Spec :
Check picture in my post
Model number : HM 1W
Android Version : 4.2.2 HM2013023
MIUI Version : MIUI - JHBCNAH1.0
Check picture . I want my phone have Factory default rom with default language of...

Please help the amatur Friend