How to install official ROM QMobile i7i Android lollipop 5.1

Official ROM QMobile i7i version: QMobile_i7i_MP_29_10 – sp7731gea_hdplus_dt-user 5.1 LMY47D

Gapps include – No Rooted

Language support: Multilang

QMobile i7i
QMobile i7i – Update 11/20/2015
QMobile i7i – Update 12/02/2015
Factory-Upgrade-Download