Android 5.1 OTA of Moto G 1st Gen For XT!033 Asia and Brazil.

Instruction To Install It,

Put that Zip in root of your phone's storage e.g just move that zip in the phones internal storage.

now disconnect it and go to phones setting/about phone/System Update

if its not work this way then GO TO FASTBOOT mood by turning phone off and then hold volume down and power key for 3 sec, there go to recovery and flash that zip file. 

Asian (INDIAN VERSION) DOWNLOAD

BRAZIL VERSION DOWNLOAD