user: your new iOS SUCKS. Battery drain is absurd on my 7, now, and Messages doesn’t display names half the time, just a number. Fix it! !
agent: We'd like to see what we can do to help get this sorted out. Are you able to see your full contacts in the Contacts app?
user: Yes
agent: Can you let us know the exact version of iOS 11 that you’re using? To check, go to Settings &gt; General &gt; About.
user: 11.0.3
agent: Got it. About how long does a full charge power your iPhone 7 now?
user: About half a day. Prior to upgrade I didn’t need a charge till end of day. I haven’t changed my useage.
agent: We understand what you mean. DM us next and let us know about when you installed the 11.0.3 update exactly.

Customer is complaining the issue of battery drain. Agent updated the customer to install the new version of iOS i.e, 11.0.3.
### Instruction: Below is a conversation between a human and an AI agent. Write a summary of the conversation.

### Input:
user: your new iOS SUCKS. Battery drain is absurd on my 7, now, and Messages doesn’t display names half the time, just a number. Fix it! !
agent: We'd like to see what we can do to help get this sorted out. Are you able to see your full contacts in the Contacts app?
user: Yes
agent: Can you let us know the exact version of iOS 11 that you’re using? To check, go to Settings &gt; General &gt; About.
user: 11.0.3
agent: Got it. About how long does a full charge power your iPhone 7 now?
user: About half a day. Prior to upgrade I didn’t need a charge till end of day. I haven’t changed my useage.
agent: We understand what you mean. DM us next and let us know about when you installed the 11.0.3 update exactly.

### Response:
Customer is complaining the issue of battery drain. Agent updated the customer to install the new version of iOS i.e, 11.0.3.