1.让ap热点不自动关闭：

packages/modules/Wifi/service/ServiceWifiResources/res/values/config.xml

<integer translatable="false">600000</integer>

修改为：

<integer translatable="false">2147483647</integer>

WiFi热点就不会自动关闭了

2.WiFi热点默认设置5G

diff --git a/modules/Wifi/service/java/com/android/server/wifi/WifiApConfigStore.java b/modules/Wifi/service/java/com/android/server/wifi/WifiApConfigStore.java index d5167ac57..a7ea8d58f 100644 --- a/modules/Wifi/service/java/com/android/server/wifi/W