Phone is selling as faulty microphone doesn’t work and have screen burn see pictures phone only

Processor: Octa Core
Screen Size: 5.5 in
Memory Card Type: MicroSD
Model Number: SM-G930F
Lock Status: Network Unlocked
SIM Card Slot: Single SIM
Colour: Pink
Brand: Samsung
Network: Unlocked
Model: Samsung S7
Connectivity: Bluetooth, 4G, 3G, Wi-Fi, USB, Micro USB, GPS
Style: Bar
Operating System: Android
Features: Bluetooth Enabled, Camera, Charger Not Included
Storage Capacity: 32 GB
Contract: Without Contract
Camera Resolution: 12.0 MP
RAM: 4 GB