But such discussions appear to be on hold as Sprint explores other partnerships.
In April, Legere said satellite TV provider Dish Network Corp had access to content and spectrum and noted Sprint had "an awful lot of scale." Amazon.com Inc and internet companies should be considered because "they drive great value for shareholders," he added.
As for Sprint, "investors may begin to rethink whether they want a merger, or at least, whether they want one now," Craig Moffett, an analyst at MoffettNathanson, said in a note.
Analysts on average had expected net additions of 607,000, according to research firm FactSet.
Analysts on average had expected earnings of 38 cents per share on revenue of $9.81 billion, according to Thomson Reuters I/B/E/S.