She was commissioned into the German Imperial Navy on 22 June 1916 as SM UB-35.

UB-35 was depth charged and sunk by British warships including HMS Leven in the English Channel on 26 January 1918.

The submarine was powered by two Benz six-cylinder diesel engines producing a total 270 metric horsepower (270 shp; 200 kW), two Siemens-Schuckert electric motors producing 280 metric horsepower (210 kW; 280 shp), and one propeller shaft.

When submerged, she could operate for 45 nautical miles (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 7,030 nautical miles (13,020 km; 8,090 mi) at 5 knots (9.3 km/h; 5.8 mph).

She had a complement of twenty-one crew members and two officers and a 42-second dive time.