Modern smartphones based on Android have become much smarter, but at the same time they optimize energy consumption more aggressively. Users often encounter a situation where the voice assistant stops responding to the activation command if the application is not running in the foreground. This occurs because the system is trying to save battery power by forcibly closing processes running in the background.
To fully use features Google Assistant, including a shortcut with the phrase “Ok Google” or the power button, you must correctly configure system permissions. Without the correct configuration, your phone will perceive the speech recognition service as an extra burden. In this article, we will look in detail at how to fix an application in memory and ensure its availability around the clock.
We will look at not only the standard settings within the application itself, but also system parameters that are often hidden from the average user. Understanding how it works background activity on different versions of the operating system will help you avoid false positives or, conversely, completely ignoring commands.
Checking the basic settings inside the application
Before delving into the system jungle, make sure that the voice assistant itself included. Often the problem lies in the fact that the voice activation feature was accidentally deactivated after a firmware update. Open the Google application on your smartphone and go to the settings section by clicking on the profile icon in the upper right corner.
In the menu you need to find the item Settings → Google Assistant → Hey Google and Voice Match. This is where the main switch is located, which is responsible for listening to the activation phrase in a locked state or on the desktop. Make sure the slider Hey Google is in the active position.
If the switch is gray and cannot be pressed, the system requires voice training again. Click on the button Restart the Voice Match model and clearly say the required phrases several times. This will create a unique audio fingerprint that will allow algorithms to distinguish your voice from extraneous noise in the background.
It is also worth checking the recognition language. Sometimes after resetting the settings, the system switches to English or another default language, which is why Russian-language commands are simply not perceived. In the section Languages make sure that the option you need is selected, and if necessary, add a second language for multilingual mode.
⚠️ Attention: The lock screen activation function may not work on devices with a heavily stripped-down shell or in regions where the Voice Match service is not officially supported by the hardware manufacturer.
Setting up battery management and power saving
The most common reason why Google Assistant stops working in the background is aggressive power saving settings. Smartphone manufacturers want to maximize battery life, so they often limit the background activity of apps that aren't being used right now.
To fix this, you'll need to find the battery settings for the specific app. The path may vary depending on the model, but usually it looks like this: Settings → Applications → Google → Battery. In some shells, this item may be called “Activity Control” or “Battery Optimization.”
In the menu that opens, you will see several power management options. You need to select mode No restrictions or Do not optimize. The standard "Optimized" mode allows the system to put the Assistant process to sleep if you haven't opened it for several hours, which leads to delays in calls.
Disabling optimization ensures that speech recognition services have priority access to processor resources even when the phone screen is turned off. This is critical for an instant response to a voice command.
☑️ Checking the battery settings
Permissions and access microphone
To work correctly in the background, the application requires specific permissions that go beyond normal microphone access. If you recently updated your security system or reset access rights, some critical items may have been revoked.
Go to the section Settings → Applications → Google → Permissions. Here we are interested not only in the microphone, but also in the item Phone. The assistant needs access to telephony to process commands during an incoming call or to make calls by voice command, even when the phone is locked.
Also check the permission on contextual information. In new versions of Android, this is a separate item that allows the assistant to read data from the screen or from other open applications to provide relevant answers. Without this right, the functionality in the background will be severely limited.
Make sure that the resolution for the microphone is selected Always allowand not “Only during use”. If there is a time limit for use, the system will block listening to the broadcast immediately after the screen is turned off.
| Permission type | Recommended status | Impact on operation |
|---|---|---|
| Microphone | Always allow | Critical for activation with the screen off |
| Phone | Allow | Necessary for integration with calls |
| Contact | Allow | Needed to search for names during calls |
| Notifications | Enabled | Allows you to display assistant responses |
Autostart and work in multitasking mode
On devices with custom skins, such as MIUI, EMUI or OneUI, there are additional application control mechanisms. Even if you have configured the battery, the system may simply prevent the application from starting automatically after rebooting the phone.
Find the section in the settings Applications → Autorun. Find the Google application in the list and make sure the switch next to it is active. This will give the system a command to start assistant services immediately after turning on the device, without waiting for manual opening.
Another important aspect is consolidation in RAM. Open the multitasking menu (square button or swipe up from bottom and hold). Find the Google application card, click on the lock icon or select Lock in the action menu.
This manipulation tells the memory manager that this application is important and should not be unloaded when the background is cleared or there is a lack of RAM. Although modern versions of Android can independently manage memory, manual locking often helps on devices with a small amount of RAM.
If you have a Xiaomi or Redmi smartphone, be sure to disable the "Sleep mode" function for the Google application in the battery settings, otherwise the system will kill the process every 10 minutes of inactivity.
Problems with updating components and services
Sometimes setting up background work does not help, because the system components themselves are outdated. Google Assistant depends on several modules that are updated independently of the main phone firmware through the store Google Play.
You need to check the relevance of three key applications: the Google application itself, Google Play services and the Android System Intelligence component (formerly Device Personalization Services). Go to the Play Market store, find these applications and click the button Updateif it is active.
The Android System Intelligence component is especially important, since it is responsible for local speech processing and machine learning on the device. If this service is outdated, the "Hey Google" feature may not work correctly or require a constant connection to the network.
In rare cases, clearing the service cache can help. Go to Settings → Applications → Google Play Services → Storage and click Clear cache. Do not confuse this with clearing data, since resetting data may lead to temporary inability to synchronize your account.
⚠️ Attention: Settings interfaces may differ depending on the version of Android and the manufacturer's shell. If you don’t find the “Autostart” item, look for it in the advanced battery settings or in the special “Security” application from the manufacturer.
What to do if the assistant is still silent?
Try to force stop the Google application in the settings, and then start it again manually. Sometimes the process hangs in a "half-sleep" state and requires a complete reboot of the service.
Diagnostics and additional recommendations
If all the settings are correct, but the problem persists, you should pay attention to third-party memory cleaning applications or antiviruses. apps like Clean Master or various speed boosters often have their own lists of "sleeping" applications and can aggressively terminate the Google process.
Add the Google application to the exceptions or whitelist of your antivirus and cleaner. Make sure that in the settings of these utilities there is no checkmark for the item “Clear memory when the screen is locked.”
Also check if the mode is turned on on your phone Energy savings (battery icon in the notification shade). In this mode, the system globally limits the background activity of all applications, ignoring individual settings for each of them. Disable this mode for the assistant to work fully.
As a last resort, you can reset the settings of the application itself. From the Google application menu, select Advanced → Reset settings. This will return the assistant to factory settings, and you will have to reconfigure the language and voice model, but often this resolves software conflicts.
The main condition for stable operation of the assistant in the background is to remove battery restrictions and allow autorun, since these two factors most often block the speech recognition service.
Why doesn't the assistant work on a locked screen?
Most likely, the "Access from a locked screen" option is not activated in the Voice Match settings or the system blocks access to the microphone in sleep mode due to privacy settings.
Does Do Not Disturb mode affect the operation of Google Assistant?
Usually no, but in some Do Not Disturb settings you can prevent interruptions even from the voice assistant. Check the access rules in the sound settings.
Is it possible to configure the assistant in two languages at the same time?
Yes, in the assistant settings you can enable the multilingual option and select two languages. The assistant will automatically detect what language you are accessing it in.
Why did the assistant stop listening after updating Android?
With major system updates, permissions and battery optimization settings are often reset to default values. It is necessary to recheck the microphone resolution and battery settings.
Does the constant operation of the assistant consume a lot of battery?
Modern algorithms operate in low-energy standby mode and consume a minimal amount of charge (less than 1-2% per day) if they are not actively used.