The item was a vehicle infotainment upgrade unit. No installation instructions whatsoever. The item is now beyond the return window but I have been trying for months (since before the return window expired) reaching out to the Seller with no luck or response.

Seller Issue - Item Purchased had no Installation instructions neither with the item nor online | Ask a Mentor

Seller Issue - Item Purchased had no Installation instructions neither with the item nor online | Ask a Mentor | eBay Community