How to prevent Child-Tracker PRO stopping by built-in power-saving apps

Note! Some of these settings may miss on your phones. Try to find them only if you correctly installed the Child-Tracker PRO application, but it keeps crushing.

General options (on all phones)

Settings → Apps →Menu→ Special access → Optimize battery usage;

Apps not optimized → All:
- System Android → off;
- Support Android → off;

Settings → Apps → Menu→ Special access → Appear on top:
- System Android → on;
- Support Android → on;

How to prevent the Device Care application to alert the user about the Child-Tracker PRO

Open the Settings of the phone, Device Care;

Click the menu, Advanced;
 

Uncheck notifications, Auto optimization, Auto restart and Optimize Settings.

Samsung M32(Android 11), A20S(Android 11)

Settings → Battery & device care / Battery / Background usage limits.
Put unused apps to sleep → off

Device Protection → off

Go back and click More Battery settings. Switch the Adaptive Battery off

Go Back to Device Care and open the menu. Click Automation. Switch all the options off.

Samsung A6+, Android 10

Open Settings of the phone, Device care, Battery, Power mode:
- Power mode → optimized,
- Adaptive power saving → off;
Back

App power management:
- Adaptive battery → off,

- Put unused apps to sleep → off;

Apps that won't be put to sleep:
+ Add apps → Support Android, Add;

Samsung J series, Android 7-9

Open Settings of the phone, Device maintenance / Battery / App power monitor / uncheck System Android

Unmonitored apps / Add apps / System Android / done

Settings / Biometrics and security / App permission monitor → off

Huawei phones, Android 7-9 :

Open Settings of the phone, Battery, Settings, Power-intensive prompt → off.

Settings, Battery, Launch(...), System Android → off, Manage manually; all on.

Do the same with Support Android.

Xiaomi Mi A series, Android 8 - 10 :

Open Settings / Battery / Adaptive battery / Use battery manager → Off;

Settings / Battery / Battery Saver / If it is switched on, switch it off.

Set a schedule / Choose Based on Percentage and move the slider to 5%

Xiaomi Redmi Note series, Android 8 - 10 :

Open Settings / Accessibility / Support Android → off

Open Settings / Battery / Adaptive battery / Use battery manager → Off;

Settings / Manage Apps / System Android / Permissions / Other permissions / Show on Lock screen → on

Settings / Manage Apps / System Android / Permissions / Start in background → On;

Open Settings / Accessibility / Support Android → ON

Xiaomi 4X Android 7:

Settings/Accessibility/Support Android-off.

Settings/Installed apps/ System Android

Autostart → on

Do the same with Support Android;

Settings/Installed apps/ System Android

Battery saver → No restrictions;

Do the same with Support Android;

or

Settings/Battery & performance/Choose apps;

Select Support Android and choose No restrictions;

Do the same with Support Android.

Make Support Android active in Settings/Accessibility.

Nexus 5, Android 7 - 8 :

1. Settings / Accessibility / Support Android → off.
2. Settings / Applications / System Android / Battery usage / Background activity on;
3. Do the same with Support Android.
4. Make Support Android active in Settings / Accessibility.

Read, please how to protect the Child-Tracker against Google Play Services>>