It just a little thing after you have the help of the software called Mobile Transfer. Mobile Transfer can transfer data like messages, photos, videos and so on from phone to phone. You don't need to worry the problem of different system,let alone the same android system,because the software adapt to different system.Following,I will tell you how to transfer data from Huawei to Huawei V9.
Steps to transfer data from Huawei to Huawei V9
Choose the transfer mode
Download, install and run Mobile Transfer. Then choose the mode of "Phone to Phone Transfer" and click on "Start" to go on.
Connect your phones to your computer
Next, connect both of your Huawei phones to your PC by using two USB cables. Please ensure that your the old phone as a resource phone is displayed on the left side of the computer, while the Huawei V9 is connected to the right side of the computer.
Transfer data from Huawei to Huawei V9
If don't have fault, you'll see a interface with lots of options on it, here you just check the data you want to transfer and then click on "Star Transfer".
Note: During the whole transfer process,both of the phone are not allowed interrupt.