How to enable USB mass storage mode on Google Nexus 7? Well, don’t think about it (at least for now). Nexus 7 does not support USB mass storage mode just like Samsung Galaxy Nexus. Only Media device (MTP) and Camera (PTP) protocols are supported on Nexus 7. Google does not want you to use USB cable much on Nexus 7. Use wireless connection to transfer files between Nexus 7 and PC instead. Easier…