Xt1527 need band 2100 (3g) anyway to add band 2100? Please help.

Moto E 2015 Model Xt1527 need band 2100(3G) anyway to add band 2100? Please help.

Is there anyway to add 3g band 2100 to model Xt1527.

(HSDPA 850 / 1700(AWS) / 1900 - Model XT1527 Current 3 bands)<----- Need 2100 anyway to add it can it be done via software or is it a hardware issue?????

Thank you for your help. :)