2 . ▁ ▁It ▁is ▁written ▁in ▁the ▁Ass am ese ▁language . ▁ ▁References ▁ ▁Bibli ography ▁▁▁▁▁ ▁Category : A hom ▁kingdom ▁Category : Ind ian ▁manuscript s ▁Category : History ▁of ▁T rip ura <0x0A> </s> ▁The ▁Pal m ▁Tre o ▁ 7 5 0 ▁is ▁a ▁G SM / UM TS ▁smart phone ▁released ▁on ▁January ▁ 8 , ▁ 2 0 0 7 . ▁ ▁Fe atures ▁Communic ations ▁U M TS ▁tri ▁band : ▁U M TS ▁ 8 5 0 , ▁U M TS ▁ 1 9 0 0 , ▁U M TS ▁ 2 1 0 0 , ▁H SD PA ▁( with ▁Windows ▁Mobile ▁ 6 ▁upgrade ) ▁G SM ▁/ ▁G PR S ▁/ ▁ED GE ▁quad ▁band : ▁G SM ▁ 8 5 0 , ▁G SM ▁ 9 0 0 , ▁G SM ▁ 1 8 0 0 , ▁G SM ▁ 1 9 0 0 ▁ ▁Car riers ▁In ▁the ▁United ▁States ▁the ▁Tre o ▁ 7 5 0 ▁is ▁available ▁with ▁AT & T , ▁or ▁directly ▁from ▁Pal m ▁as ▁an ▁un locked ▁device . ▁It ▁is ▁also ▁available ▁in : ▁▁ ▁Singapore ▁on ▁Star Hub ▁and ▁Sing T el ▁ ▁Philippines ▁on ▁Glo be ▁Tele com ▁ ▁Italy ▁on ▁ 3 ▁Italia ▁ ▁Austria ▁on ▁ 3 ▁Network s ▁ ▁Netherlands ▁on ▁K PN ▁ ▁Australia ▁on ▁Tel stra ▁and ▁ 3 ▁ ▁Canada ▁on ▁Rog ers ▁W ire less ▁ ▁Mexico ▁on ▁Tel cel ▁ ▁UK