I have the Huawei Mate 10 Lite and whenever I go standby and then turn it back on a popup see photo. It does not matter if I type ok or cancel it is always coming back to me who can help?
Here is the photo
Turn it off
Or do you really need that?
Have the following instructions found on the Internet. At first glance, it is the same problem that you currently have.
https://www.tutonaut.de/anleitung-dauerhafte-suche-nach-wlans-unter-android-abschalten-und-viel-akku-sparen/