Lenovo — Vibe k5 mobile dolby atoms automatically shutdown

Address:

600037

Dear sir,

I buy a lenovo vibe k5 for 3 months ago. now i have a problem with dolby atoms its automatically shut down. please help me for recover. its does not work properly. when i restart my mobile that time its working in few minutes then its shut down automatically. how i resolve it? i try phone reset also but its not properly. if any updated versions to be install in mobile?? pls help me!!