From wikipedia: The rover, Yutu, reached the moon on 2013/12/14, encountered operational difficulties after about one earthly month, though it continued to gat

From wikipedia: The rover, Yutu, reached the moon on 2013/12/14, encountered operational difficulties after about one earthly month, though it continued to gather useful information for some months afterward. From the OP: "The rover has recently beamed back data" I haven't found any explanation on how it started sending data again, if it just fixed itself, or if a patch was sent up etc...