The sound quality pf phone is clear the phone speaker give clear sound we know about the hotness of phone the redmi 4A works on miui operating system which is user friendly I use this phone past 5to 5 days the battery backup of phone is awesome its die after 2 days the xioami redmi 4A is awesome phone the style is hot I love the design of phone xiomai are known for ther sexy designs the redmi 4A is feature loaded phone this phone is made for middle class persons is look premium in hands totally value for money please buy this phone its a totally awesome phone in this price