Why do WhatsApp messages only arrive after opening WhatsApp - briefly?
The delay in receiving WhatsApp messages until the app is opened can be attributed to the platform's background data restrictions and battery optimization features. When the app is not active, it may limit or pause data syncing to preserve resources.
Why do WhatsApp messages only arrive after opening WhatsApp - in detail?
The phenomenon of WhatsApp messages arriving only after opening the application can be attributed to several factors related to how WhatsApp handles message delivery and notification systems.
Firstly, it is essential to understand that WhatsApp uses a push notification system to alert users about new messages. This system relies on background services running on your device to monitor incoming messages. When a new message arrives, the service sends a notification to your device, which then displays an alert or updates the badge count on the WhatsApp icon.
However, there are instances where these background services may not function as expected due to various reasons such as power-saving modes, app restrictions imposed by the operating system, or network issues. In such cases, the message delivery might be delayed until you manually open the WhatsApp application. Once opened, WhatsApp can sync with its servers and download any pending messages.
Another significant factor is the use of end-to-end encryption by WhatsApp. This security feature ensures that only the intended recipients can read their messages, but it also requires additional processing time to encrypt and decrypt messages. If your device is in a state where it cannot process these tasks efficiently (e.g., low battery, high CPU usage), message delivery might be postponed until you open the app and provide a stable environment for WhatsApp to operate.
Additionally, network conditions play a crucial role in message delivery. If your device is connected to a weak or unstable network, it may not receive real-time updates from WhatsApp's servers. Opening the application forces a connection refresh, allowing pending messages to be delivered promptly.
In summary, the delayed arrival of WhatsApp messages can be attributed to factors such as background service limitations, device power management settings, encryption processing requirements, and network conditions. By opening the WhatsApp application, users ensure that these barriers are temporarily bypassed, allowing for immediate message delivery and synchronization with the servers.