Why isn't a message delivered in WhatsApp (one checkmark) - briefly?
A single checkmark on WhatsApp indicates that your message has been sent but not yet delivered to the recipient. This could be due to network issues or the recipient's phone being offline.
Why isn't a message delivered in WhatsApp (one checkmark) - in detail?
The presence of only one checkmark next to a sent message on WhatsApp indicates that the message has left your device but has not yet been delivered to the recipient's phone. This status can be due to several factors, primarily related to network issues or the recipient's device status.
Firstly, if the recipient is currently offline or does not have an active internet connection, WhatsApp will show only one checkmark. The message remains on WhatsApp’s servers until the recipient’s phone reconnects to the internet. Once the recipient comes online and their phone syncs with WhatsApp's servers, the message will be delivered, and two checkmarks will appear.
Secondly, if the recipient has turned off their device or disabled mobile data and Wi-Fi, they won’t receive new messages until these services are re-enabled. In such cases, WhatsApp displays one checkmark to inform the sender that the message has left their phone but is not yet delivered to the recipient.
Thirdly, there could be temporary network issues affecting either your device or the recipient's. If the network connection is unstable or intermittent, it might take longer for the message to be delivered and thus show only one checkmark initially. As soon as the network stabilizes and the message reaches the recipient’s phone, the status updates to two checkmarks.
Additionally, if there are issues with WhatsApp's servers themselves, it can cause delays in message delivery. During such times, messages might remain in a pending state, indicated by one checkmark, until the server issue is resolved and the message can be successfully delivered.
In summary, seeing only one checkmark on WhatsApp means that while your message has been sent from your device, it hasn’t yet reached the recipient's phone due to various potential reasons related to connectivity and device status.