Nokia lumia 638 sound reception is good and quality of sound is super this phone have loud speaker.
This phone easy to use everyone because simple in operational system.
Style and design of this phone is 4.5 inches beautiful desply with gorilla protection glass.
Range of futures is in the Nokia lumia 638 mobile is supe it have 1 Gb ram and 8Gb internal memory and 256GB expandable memory.
Durability of this mobile is may be I expected above the 10 years.
Realiability of this phone is good.
Tha value of the money is RS7000 only
Thank for reading