This paper explores the phone and mobile media sharing relationships of a group of young mobile phone users in Khayelitsha, South Africa. Intensive sharing took place within peer and intimate relationships, while resource sharing characterized relationships with a more extensive circle, including members of the older generation. Phones were kept open to others to avoid inferences of stinginess, disrespect, or secretiveness and the use of privacy features (such as passwords) was complicated by conflicts between an ethos of mutual support and the protection of individual property and privacy. Collocated phone use trumped online sharing but media on phones constituted public personae similar to social media 'profiles'. Proximate sharing within close relationships allowed social display, relationship-building and deference to authority. We suggest changes to current file-based interfaces for Bluetooth pairing, media 'galleries', and peer-to-peer text communication to better support such proximate exchanges of media and messaging.