Yes! Even if you don’t have all the stuff that came with it, your trade-in will still be accepted.
For Apple® devices visit https://support.apple.com/en-us/HT201441.For Android and other connected devices, refer to the device manufacturer's instructions.
Wipe all personal information and remove SIM cards from your devices. It is your sole responsibility to protect your privacy by removing all personal, confidential or sensitive information and data from Your Device(s) before shipment to Broadtech.