If one is not to backup in the cloud, then the new USB stick from SanDisk may be a good alternative
SanDisk make a lot of compact storage for a lot of different things, and the latest from the company caters to mobile users. It is SanDisk Ultra Dual USB Drivbe 3.0, which can hold up to 64 GB of data and seamlessly transfer them from the PC to phone or vice versa.
At one end there is a microUSB connector for the phone, so you can get down all her videos and pictures onto a physical backup, and at the other end, there is a classic USB connector, so you can quickly get them onto your computer.
New in this release is faster transfer times, and so is PC-end been upgraded to USB 3.0. Connector for the phone has also been longer, so it can more easily reach the goal, even if the phone has a cover on.
The stick is available with 16 GB, 32 GB and 64 GB, and the connectors can be pulled in, so they are not in danger, when the stick must be placed in the bag.