If using a 3rd party ROM, this might not be anything to worry about. E.g., to get notifications to occur immediately for the AOSP messenger app: adb shell dum

If using a 3rd party ROM, this might not be anything to worry about. E.g., to get notifications to occur immediately for the AOSP messenger app: adb shell dumpsys deviceidle whitelist +com.android.messaging https://i.reddit.com/r/LineageOS/comments/dpk7v4/messaging_notification_delay_the_fix_is_in_the/ https://i.reddit.com/r/LineageOS/comments/dpk7v4/messaging_n...