Install with SP FlashTool. (Choose Firmware upgrade) Remove the battery, plug in USB, Click on "Download", replace the battery and wait. When end of flashe, remove the Bttery for 5 secunds, put back and start phone. First start is longer, several minutes.
Gapps include.
Recovery TWRP integred.
ROOTed, Supersu, tested, work fine.
Multilingual 40 < + languages.
Copied on Russian site.
SIM 1 All GSM +
WCDMA IMT 2000
WCDMA PCS 1900
WCDMA CLR 850 USA
WCDM 800
WCDMA GSM 900 EUROPE
SIM 2 ALL GSM