Huawei Ascend P7 P7-L10 User Guide - Manual (Page 60)

Sharing data
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To connect your phone to another phone, make sure that phone has a
microSD card installed. To establish a connection and read data stored on the
microSD card:
1. Use a USB OTG cable and USB cable to connect the two phones.
2. Turn on USB mass storage mode on the phone from which you want to
read data.
3. On your phone, touch > USB to read data from the other phone's
microSD card.
4. When you are done, touch on your phone. Under All , touch Storage >
Unmount shared storage .
To connect your phone to other types of USB storage devices, use a USB
OTG cable to connect your phone to the device, and touch > USB
on your phone.
USB OTG )GHRK
USB )GHRK