Problems with Compass sample in motorola razr d1

Hello, 

i published on app in play store with use the compass sample in corona sdk , and a friend with a motorola razr d1 download it , and the compass won’t work 

i try install the corona  sample compass app  and it doesn’t work in him phone  in other phones its okay

in tecnhical specs of phone it says is has a A-gps and don’t has a gyroscope 

i think that the problem is the missing of gyroscope is this rigth ? 

anyone has any ideia ? 

thanks for help