bimalendumandal@gmail.com

hey i am looking forward to buy this htc one dual sim..but somwhere its written as chinese model with chinese options in settings. is this indian version or chinese?? can i use both the sim slots(sim1 and sim2) with gsm sim. some says the software update option is not displayed in settings menu..can this phone be upgradable to higher version..does it come with android 4.2.2?? please let me know i am confused which to buy htc one or htc one dual sim. help me out...