How to Prevent ZUS App from being Killed by Your Phone's Operating System? [Samsung & Huawei Phones]

 

We've recently been receiving complaints about some trips being missed in the mileage log. We've done thorough internal tests and have tried all the technical solutions we could think of, and yet we still can't guarantee the app will run smoothly in the backgroundWe are not alone in facing this issue, either; many other apps that require running in the background are also having difficulties. If users do not configure the apps that require background running in a certain way, the app will get killed (recycled) by the phone's operating system. This phenomenon is even more severe in those custom operating systems that are derived from Android.

We strongly suggest you open the ZUS app and make sure the app is connected with your device(s). Then, in the meanwhile, configure the ZUS app's battery settings on your phone to make sure the app doesn't get killed in the background.

Borrowing from https://dontkillmyapp.com/problem, we've taken two of the most popular Android phone makes and models and compiled this guide to help you configure your Android smartphone. You can access more relevant info on the aforementioned website.

Solutions for Samsung Phones

Galaxy S9 / S10

Battery optimization is turned on by default. There are times when (possibly when there is an app update or an OS update) the settings revert back to the defaults, forcing you to repeat these steps to turn them off again. Below are walkthrough screenshots for the Galaxy S10. Please let us know your feedback if it works for S9 (or others), as well. Thanks!

Sleeping apps

1. Start Device care
from phone settings
 
2. Tap Battery
 
3. Tap the 3-dot menu > Settings
 
4. Disable all toggles
(except Notifications)
 
5. Tap Sleeping apps
 
6. Wake up all the apps using the Trash icon

Galaxy S8 (j6ltedx) and later

With the introduction of their flagship Galaxy S8 (and with some earlier experiments), Samsung has introduced a flawed attempt at prolonging battery life called App power monitor.

For your apps to work correctly, please whitelist them in the App power monitor.

How to do it:

Open the Settings > Device maintenance > Battery and at the bottom, you’ll see a list of your most frequently used apps. You can manage apps individually or in a group by selecting them and then tapping the big Save power button. Apps that are sleeping will appear in the Sleeping apps list at the bottom (tap it to expand the list). Scroll further — all the way to the very bottom — and you’ll find Unmonitored apps. These are apps that you specifically want to exclude (white list) from the App power monitor.

When inside the Unmonitored apps menu, you can tap the 3-dot menu to add or delete apps from the list. Rather than bothering with any of that, you can just turn off the App power monitor feature completely as it has little-to-no impact on battery life and only serves to handicap the normal functioning of your Galaxy phone.

It’s excessive, and in some cases, downright misleading, using scare tactics to keep you reliant on Samsung’s software when other Android devices get by just fine without it.

On other Samsung phones, the path may look like this:

Phone settings > Applications > select the three-dot menu (top right corner) > Special Access > Optimize Battery usage > Find your app on the list and make sure that it is not selected.

 

Solutions for Huawei Phones

EMUI 6+ devices (and some EMUI 5 devices)

  • Phone settings > Advanced Settings > Battery manager > Power plan is set to Performance
  • Phone Settings > Advanced Settings > Battery Manager > Protected apps – check for your app as Protected
  • Phone Settings > Apps > Your app > Battery > Power-intensive prompt [x] and Keep running after screen off [x]
  • Phone settings > Apps > Advanced (At the bottom) > Ignore optimisations > Press Allowed > All apps > Find your app on the list and set to Allow

Huawei P9 Plus

  • Phone settings > Apps > Settings > Special access > Ignore battery optimisation > select allow for your app.

Huawei P20

  • Phone settings > Battery > App launch and then set your app to “Manage manually” and make sure everything is turned on.

Huawei Honor 9 Lite, Huawei Mate 9 Pro

  • Phone settings > Battery > Launch and then set your app to “Manage manually” and make sure everything is turned on.

 

Credits @https://dontkillmyapp.com 

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Important!

If you are still having issues when you've adjusted all the settings on your phone, please open your ZUS app each time before you start a trip.

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