HarmonyOS system is very slow to open SMS.

If you have backed up data before, or there is no data to be backed up in your mobile phone at present, I suggest you try to enter recovery (turn off the phone, press and hold the volume up+turn on the button to enter recovery mode) to clear all the data, and do not restore the data temporarily after turning on the phone to see if the problem can be solved. If it still doesn't work out,

Please brush the machine according to the brushing tutorial. The sixth method is line brushing:/thread-3104435-1-1.html.

At the same time, please download the appropriate brush package:/

This is a video of rice flour brushing:/v _ show/id _ xnteymjq1mzi4.html.