So, last week I upgraded my girlfriend's phone from the 1020 to the 950. Phone is great except for what appears to be crappy call quality. When I call her, 80% of the time it is almost as though I can hear EVERYTHING in her background, a far cry from the phenomenal sound cancelling of older Lumias. There is also often an echo. Today she was at the supermarket and I swear to god all I heard were the registers, carts, and other customers. I could barely hear her. Is this normal for this device? Faulty firmware? Faulty hardware? Thanks in advance.