I have purchased this phone on 16 July 2018 on my Birthday. From the last year I have used this continuously & Never faces any problems. Sound quality is very clear & Hearble of this phone. Voice can clearly hear over the call. This is looking so thin & nice. Battery backup is very good of this phone. This phone is very easy to operate. Looking vise it's so nice. Value of money of this phone is very good. Everyone can use this phone.