Huawei's mobile phone calendar does not display train ticket information.

It may be a problem of system software compatibility, or the low configuration of the mobile phone itself and too much software installed, which leads to the system being stuck or unstable. It is suggested to back up the address book or files in the mobile phone first, and then restore the factory settings. If you try it, the problem of jam will be solved generally, or the system will be automatically upgraded in the background. It is recommended to download the earliest system version from the official mobile phone, then reinstall it in the mobile phone and start running again to see the stability and speed. It should be solved. If there is still a problem, the mobile phone is not guaranteed. It is suggested to consult the manufacturer after sale, which should be able to solve it. This situation may be due to the compatibility problem of system software, or it may be that the configuration of the mobile phone itself is not high and there are too many installed software, which leads to the system being stuck or unstable. It is recommended to back up the address book or files in the mobile phone before restoring the factory settings. Give it a try, the system jam problem will generally be solved, or the system will automatically upgrade in the background. It is recommended to download the earliest system version from the official mobile phone, then reinstall it in the mobile phone and start running again to see the stability and speed. It should be solved. If there is still a problem, the mobile phone is not guaranteed. It is suggested to consult the manufacturer after sale, which should be able to solve it.