Huawei
Enable or Disable Ultra Power Saving Mode auf Huawei
Ultra Power Saving mode on Huawei phones cuts your device down to a minimal set of apps, usually phone, messages and a few essentials. Background data, most sync tasks and several system services pause while it runs, which is why battery life stretches far beyond normal use.
The mode activates automatically at very low battery levels on some models, but you can also switch it on manually whenever you expect to be away from a charger for a while. Turning it off restores your full home screen and all background activity immediately.
Menu path to enable or disable it
Open the settings ➔ Tap on Battery ➔ Activate or deactivate Ultra Power Saving mode ➔ Confirm with Enable.
If the option is grayed out or missing, check whether your battery is already critically low or whether another power-saving profile is currently active.
You can also toggle Ultra Power Saving from the quick start bar. Swipe down from the top of the screen to open it, then tap the Ultra Power Saving icon if it is listed there. This works as a faster alternative once the feature has been used at least once through the settings.
Disable the mode the same way you enabled it, either through Battery settings or the quick start bar, to bring back normal app behavior and notifications.