Default Fm radio with rds - moto defy xt 535

Hi, i have been observing that I'm not getting any replies from xda- developers from the last 8 months. I don't know the reason but atleast give the solution for the below :
Radio Text is not decoding in my FM application . It's showing only station name. I compared with other mobile and found that they decoding RT. So please tell me how to decode this RT.

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