Huawei Ascenf P1 wont root or update

Hi, I am about ready to throw my phone out the window it is so slow its like using a 486 pc. I updated the software about a year a go to B336. Since then other software has been released but I am unable update the phone even when I try to back date the software it wont do it. I have have tried...

Huawei Ascenf P1 wont root or update