The first five devices that come with the new feature include the Galaxy S7 Edge, Xperia X Performance and Aquos Zeta. Current DoCoMo handsets will also get a similar upgrade through a firmware update, although the precise timing is not yet known. NTT, for its part, has already said that it's previously handed GPS data over to authorities in times of crisis. It's quoted by the Times saying that it "provided positional information" to the emergency services such as the ambulance and coastguard. The report explains that authorities will only be able to access this information if they are given permission by a court. But lawyer Tsutomu Shimizu is quoted by the paper, saying that the move is an "extreme invasion of privacy."