user: hi, facing problems of mobile hanging. Moblile gets hanged while having conference call, massaging, etc. become very slow many times
agent: That is certainly not the experience we want you to have. Which iPhone model do you use?
user: 6S
agent: Great. Let us know which specific iOS version you're running in a DM.
user: 11.0.3 Waiting for result oriented response please This is self explanatory screen shot of one of example of hanging
agent: Let's see if updating the iPhone to iOS 11.1 helps. DM us if it doesn't.

Customer is complaining about his iPhone which gets hanged while doing conference calls and messages and also gets slow. Agent suggested to update iPhone to iOS 11.1 and to DM for further assistance.
### Instruction: Below is a conversation between a human and an AI agent. Write a summary of the conversation.

### Input:
user: hi, facing problems of mobile hanging. Moblile gets hanged while having conference call, massaging, etc. become very slow many times
agent: That is certainly not the experience we want you to have. Which iPhone model do you use?
user: 6S
agent: Great. Let us know which specific iOS version you're running in a DM.
user: 11.0.3 Waiting for result oriented response please This is self explanatory screen shot of one of example of hanging
agent: Let's see if updating the iPhone to iOS 11.1 helps. DM us if it doesn't.

### Response:
Customer is complaining about his iPhone which gets hanged while doing conference calls and messages and also gets slow. Agent suggested to update iPhone to iOS 11.1 and to DM for further assistance.