Moderator, SkyTeam and Germany
Join Date: Sep 2001
Location: FRA/STR/NUE
Programs: BA, LH, KL, EY, IHG, Marriott, Hyatt, Hilton, Radisson
Posts: 5,946
Do you have a smartphone? Maybe it establishes a data connection to update its system or some apps and so uses up your credit? Seems to be the most plausible explanation IMO.