If it has been installed updating ( overwrite- installing) may fix problems, add new functions expand existing ones. You need a ROM, try to download again the file. EDIT: finish my download but i have corrupted file. With just one click One Click Root can safely effectively root most ideos s7 slim.If it does the same need expert opinions. 1 About your Tablet Thanks for choosing IDEOS S7 Slim. How to hard reset huawei s7- 701u if the volume + not working - Duration: 1: 29. Are you sure you have completed download? Xda- developers Legacy & Low Activity Devices Huawei Ideos S7 XDA Developers was founded by developers, for developers. Cierre ideos s7 slim. The IDEOS S7 Slim ( Tablet for short) is an information terminal that provides convenient information services based on the Android open source operating system , networking, audio, supports classification , video, high quality picture dragging of elements on the home screen.