Why is the lightning sign of Xiaomi civi WeChat video front light missing?

You should be talking about how the lightning sign disappeared when Xiaomi civi was charged. You can reopen it in Settings.

1. First, we open the settings in the phone and slide up in the interface to find the battery and performance. You can see many functions here. Click the button next to power saving mode, and then touch OK to turn on power saving mode.

2. Click the button next to Super Power Saving, touch OK to start Super Power Saving mode, and then click the exit icon in the upper right corner to exit the mode. After touching the power consumption statistics, we can see the power consumption ratio of each software.