Preparation:
http://forum.xda-developers.com/showthread.php?t=2789337
- Download Huawei HiSuite and install it on your PC
- Activate USB Debugging on your Ascend P7 (Settings / About phone / Build number)
Tap a serveral times at Build number till you got a Message on the Screen that you´re now a Developer.
Then again on (Settings / Developer options), and activate USB Debugging. - Start HiSuite and connect the Ascend P7 via USB to the PC
- If you do this the 1st time, HiSuite installs a Daemon on the Ascend P7
- Choose as Connection Mode on the Ascend P7 HiSuite
- If everything is OK then you can disconnect the Ascend P7 from the PC and close HiSuite
- Download the RootGenius Tool and start it as an Admin
- Connect the Ascend P7 via USB to the PC
- Chose as Connection Mode on the Ascend P7 HiSuite
- Click on Root Button in RootGenius
- Wait a few Seconds, the Root process runs automatic
- The Ascend P7 reboots during the ROOT Process
- SuperSU is also now on the Ascend P7
- You can check ROOT by RootChecker from the Play Store
http://forum.xda-developers.com/showthread.php?t=2789337