From time to time: WLAN / WiFi switches off when in standby mode. I´m using XIAOMI.EU ROM 18.104.22.168 Stable, but did notice this effect with both earlier versions. In enhanced settings I allready activated the WiFi permanent on option, which did not solve the issue. After waking up the phone from standby it takes about 30s until the WiFi connection is automatically reactivated. It seems as if the WiFi permanent on option does not work. The power usage graphs indicate that the WiFi is continously switched on.