I have an older dji phantom that bought from an individual years ago. Im not sure what i have. Serial # ph645371557. Can it be repaired?

Post some pics and we can id it for you.

Hi there. Thank you for reaching out. You may contact our team at https://www.dji.com/support for them to provide you with the best solution for the issue of your Phantom 2. They will also provide the information on where to send the said unit if you wish to send it for repair. Hope this helps. Thank you for your valued support.