Learn how to insert memory card on your Huawei Ascend P7. You can expand your phone’s storage capacity with a SD card. See the following reference.
Insert the end of an eject tool or paper clip into the hole next to the microSD card tray to release it.
Gently pull out the microSD card tray.
Follow the directions on the microSD card tray to place the microSD card in the tray, and then push the tray back into place.
On the home screen, touch Settings icon then the All tab.
Under DEVICE, touch Storage.
Touch Unmount SD card.
Insert the end of an eject tool or paper clip into the hole next to the microSD card tray to release it.
Carefully take out the microSD card.