Why don't WhatsApp calls go through on Android in sleep mode - briefly?
WhatsApp calls may not go through on Android in sleep mode due to power-saving features that restrict background data usage. To ensure uninterrupted call functionality, consider adjusting your device's battery optimization settings or using a third-party app to bypass these restrictions.
Why don't WhatsApp calls go through on Android in sleep mode - in detail?
The issue of WhatsApp calls not going through on Android devices while in sleep mode can be attributed to several factors, primarily related to power management settings and background restrictions imposed by the operating system.
When an Android device enters sleep mode, it implements various power-saving measures designed to conserve battery life. One common restriction is the limitation of background activities for apps that are not in use. This means that while your phone is asleep, certain applications, including WhatsApp, may have their functionality curtailed to save energy. Consequently, incoming calls might not be processed effectively due to these restrictions.
Moreover, Android's Doze mode, introduced with Android 6.0 (Marshmallow), further optimizes power consumption by deferring background tasks and network access for apps that are deemed less important while the device is idle. WhatsApp calls may fall into this category, resulting in missed or delayed notifications and call failures.
Additionally, some manufacturers implement their own power management systems that can be even more aggressive than those provided by stock Android. These custom settings can sometimes block real-time communication services like WhatsApp calls entirely when the device is in sleep mode to ensure maximum battery efficiency.
To mitigate this problem, users can adjust specific settings on their devices:
- Battery Optimization: Navigate to the Battery settings and locate the list of optimized apps. Find WhatsApp and disable optimization for it. This will allow the app to function more freely in the background.
- Doze Mode Exemptions: In some versions of Android, users can exempt certain apps from Doze mode restrictions. Checking this option for WhatsApp may resolve call issues while the device is idle.
- Background Data Restrictions: Ensure that WhatsApp has permission to use mobile data in the background. This setting can typically be found under the Data Usage section of your device's settings.
By making these adjustments, users can enhance the reliability of WhatsApp calls even when their Android devices are in sleep mode. It is essential to strike a balance between optimizing battery life and ensuring that critical communication services remain functional at all times.