user: trying to upgrade my iPhone online but screen has a small crack. What now?
agent: Do you have insurance on your device (TEP)? -C.H
user: I don’t
agent: You can return your device to Sprint. After assessing the extent of the damage, you will be charged a damaged device fee. -RA
user: Even though it isn’t a leased device? Purchased it when I renewed my contract 2 years ago.
agent: Are you looking into a specific promotion that requires a trade in? -RA
user: I don’t think it’s required but I’d like to trade in my 6s to iPhone 8+
agent: Unfortunately, we cannot use your device as a trade in device as one of our requirements for trade in devices -RA is that nothing can be broken, cracked or missing. -RA

The customer says he wants to upgrade his iPhone online but the screen has a small crack and he likes to trade in his phone. The agent asks whether the customer has some insurance to the device and adds that they cannot use his device as trade in device.
### Instruction: Below is a conversation between a human and an AI agent. Write a summary of the conversation.

### Input:
user: trying to upgrade my iPhone online but screen has a small crack. What now?
agent: Do you have insurance on your device (TEP)? -C.H
user: I don’t
agent: You can return your device to Sprint. After assessing the extent of the damage, you will be charged a damaged device fee. -RA
user: Even though it isn’t a leased device? Purchased it when I renewed my contract 2 years ago.
agent: Are you looking into a specific promotion that requires a trade in? -RA
user: I don’t think it’s required but I’d like to trade in my 6s to iPhone 8+
agent: Unfortunately, we cannot use your device as a trade in device as one of our requirements for trade in devices -RA is that nothing can be broken, cracked or missing. -RA

### Response:
The customer says he wants to upgrade his iPhone online but the screen has a small crack and he likes to trade in his phone. The agent asks whether the customer has some insurance to the device and adds that they cannot use his device as trade in device.