United Economy is available on all aircraft, and usually have a pitch of 31 inches (30 inches on aircraft refurbished with Slimline seats, and 32 inches on Boeing 787s) and a recline of 2–5 inches. All economy seats feature an adjustable headrest and some form of entertainment, ranging from AVOD, inflight wi-fi, personal device entertainment, or DirecTV. Economy seats on Boeing 767, Boeing 777 (except domestic 777-200s), Boeing 787, and 757-200 aircraft feature a personal touchscreen television at the back of each seat with United Private Screening. On Airbus A319, A320, Boeing 737, Boeing 757-300, and domestically configured Boeing 777 aircraft feature personal device entertainment and WiFi. Some Boeing 737 aircraft feature DirecTV. In April 2018, United upgraded all aircraft with over 70 seats to include Wi-Fi and personal device entertainment even with DirecTV equipped.