Connect the 3.5mm jack to phone. In camera app, go to setting, change the volume button setup.

Hi there, planning to buy the note 4 (personal) and 4A (parent for basic used only - chatting and whatapps), wondering should I buy direct from Mi store from Lazada or go for other reseller which cost much cheaper?  I am worrying to get AP set despite the buyers commented at Lazada got the original with Mi warranty, but it can be fake too.  What's your suggestion?  Thanks.

YA, CORRECT, EVEN MI MALAYSIA WARRANTY WAS SO LOUSY , BEING CLAIM WARRANTY FOR MY XIAOMI NOTE (XIAOMI NOTE NOT REDMI NOTE) CANNOT GET APPROVAL FROM CHINA HEADQUARTERS ACCORDING TO THE TECHNICIAN SO HE CANNOT WAIVED ME THE SERVICE CHARGES & SPAREPARTS $. I WAITED FOR 3 MONTHS STILL YET TO RESOLVE THE WARRANTY CLAIM AND FINALLY THE TECHNICIAN OFFER ME FREE SPAREPARTS WITH PAID SERVICE FEE OF RM28 INSTEAD OF KEEP WAITING FOR CHINA HEADQUARTER APPROVAL. AGREED AND PROCEED WITH PAYMENT GET MY XIAOMI NOTE BACK IN 1 DAY......
OVERALL IS A VERY LOUSY WARRANTY CLAIM SERVICE FOR A PHONE BOUGHT AT RM1500++. SINCE THEN I HAVE LOSE FAITH IN XIAOMI WARRANTY, JUST CHOOSE FOR THE CHEAPEST AP SET INSTEAD. NO NEED TO BOTHER FOR XIAOMI MALAYSIA WARRANTY.