Auto Message After CallOnePlus battery optimization in OxygenOS for Auto Message After Call
OnePlus battery optimization in OxygenOS can pause apps that run in the background. Exempting Auto Message After Call keeps its messages after calls on time.
OnePlus battery optimization pauses background apps in OxygenOS; setting Auto Message After Call to Don't optimize or allowing background activity keeps it working.
OxygenOS is known for managing background apps firmly to save battery, and the controls have moved between versions. On OxygenOS 12 and earlier, members of the official OnePlus community describe a Battery optimization list under Settings and Battery, where each app can be set to Automatic optimize, Don't optimize or Ask always. Newer OxygenOS releases share their settings layout with ColorOS, so the control usually appears inside the app's own settings under Battery usage as Allow background activity. Either way, Auto Message After Call needs the unrestricted choice, because it must be awake when a phone call ends. Community members also report one OnePlus habit worth knowing. An app's optimisation setting can return to the default after the app updates from Google Play, so it is worth checking the setting again after an update if messages after calls stop arriving.
OnePlus battery optimization steps
- Open Settings, tap Apps, choose Auto Message After Call and tap Battery usage.
- Turn on Allow background activity, and Allow auto launch if your phone shows it.
- On OxygenOS 12 or earlier, go to Settings, Battery, Battery optimization, select the app and choose Don’t optimize.
- Check the setting again after the app updates, then test with a call.
These steps come from members of the official OnePlus community; OnePlus menu names change between OxygenOS versions.
OnePlus battery optimization and similar phones
Newer OxygenOS shares its layout with OPPO’s ColorOS, explained in the OPPO background apps guide. Other fixes are on the support page.
| OxygenOS version | Where the setting is | Choose |
|---|---|---|
| Recent versions | Settings > Apps > the app > Battery usage | Allow background activity on |
| OxygenOS 12 and earlier | Settings > Battery > Battery optimization > the app | Don't optimize |
| Any version | After an app update | Check the setting has not reset |
OnePlus battery optimization FAQ
Is it good to turn off battery optimization?
For most apps, no. For apps that must respond instantly in the background, like Auto Message After Call, turning it off for that one app is the right choice.
Is it good to turn on optimized battery charging?
Yes, for battery health. It controls charging speed and does not affect how apps run.
Does OnePlus stop charging at 80%?
Optimised charging can pause at around 80% overnight to protect the battery. It has no effect on Auto Message After Call.
Why does my OnePlus close apps in the background?
OxygenOS limits background apps to save battery unless you exempt them in battery settings.
Where is battery optimization on new OnePlus phones?
Usually inside the app's settings under Battery usage, as Allow background activity.
What does Ask always mean in OxygenOS battery optimization?
OxygenOS asks before optimising an app that uses battery in the background. For this app, choose Don't optimize instead.
Why did the setting change by itself?
Community members report that OxygenOS can reset an app's optimisation after it updates. Check it again after updates.
Is there a separate auto-launch setting on OnePlus?
Newer versions may show Allow auto launch next to background activity. Turn it on for this app.
Will this drain my OnePlus battery?
Only a little for an app that mostly waits for calls.
Does the app have a OnePlus video?
Not a dedicated one. The OPPO and Realme videos in the setup guide are the closest match for newer OxygenOS.
Can I find the setting quickly?
Search Settings for 'battery optimization' or 'background activity'.
Do I need Accessibility for this?
No. Accessibility only controls sending without a tap.
Should I lock the app in recent apps?
If your OnePlus offers a lock in recent apps, locking it adds protection against clearing.
Does this affect phone calls?
No. It only changes how OxygenOS treats Auto Message After Call.
How do I check it works?
Leave the phone idle, take a test call, and look for the sent WhatsApp.
Reply to every caller on WhatsApp, automatically
Auto Message After Call works on Android 8.0 and newer. $22.99 per year, billed through Google Play.
Get it on Google Play