This situation should be a CPU problem, which needs to be checked or replaced by an after-sales store. Secondly, there is a bug in the mobile phone system, which makes it unable to run. Generally, when using a mobile phone, you must push the official version in time. Click to upgrade the latest system to avoid similar situations. Of course, there is another situation where the running memory is seriously insufficient, resulting in the inability to run and the only choice is to shut down.