[Q] HELP build.prop problem in huawei g526 L-33 topic

Hi this is my first post.Please help me.The problem is that i was editing build.prop in my huawei ascend g526 L-33 from Movilnet(Venezuelian operator) i change the build.prop to see the percent of battery remaining and it works but after i was viewing some tweeks more and I do the tweeks of:telephony delay 0 and another for a power saving and after that in my phone when I see videos the vídeo pauses and when im writing it desapears it like someone touch maybe the answer be if i put the original build.prop but i dont have it Sorry for my bad english