How to delete ordinary people by p8 SMS on Huawei mobile phone?

Huawei's method for deleting SMS messages in batches: After entering SMS messages, press the menu key-Multi-Select-Select All (or check them separately), and then select Delete. Huawei mobile phone is currently the sixth largest mobile phone manufacturer in the world, ranking behind Samsung, Apple, Nokia, ZTE and LG. Huawei is also the second largest communication equipment company in the world, second only to Ericsson. Therefore, Huawei uses its relationship with telecom operators around the world to spread rapidly around the world, and has R&D institutions in the United States, Europe, Japan and other countries. Huawei's mobile phone is very popular recently, because it is an important strategy for Huawei's transformation. In the past, Huawei kept a low profile and only did research and development, but now Huawei's goal is to be the world's top mobile phone manufacturer, so it has just begun to face consumers. Huawei mobile phones build brand image through star mobile phones. For example, the Ascend series is very powerful, in which AscendD Q adopts a self-developed HiSilicon quad-core processor chip, which breaks the monopoly of foreign chips and is in an international leading position. Huawei's smartphones mainly use Android, but Huawei is also the first partner of Microsoft win8. Huawei's mobile phone technology and user experience are destined to be the leader of mobile phones in China in the future.