By: Peter
01
If a WhatsApp user logs out, sent messages show a single grey tick until they log back in. Typically, users remain logged in with background data, ensuring prompt message updates.
02
Deleting the app doesn't delete the account. Users may uninstall for reasons like memory saving or a phone reset.
03
As afore explained, the single grey tick means that the message is still being transferred and for as long as the recipient has not got it yet, it will have a single tick.
04
You can change your WhatsApp number, and when prompted, notify contacts. Upon opening the chat, they'll see your number change notification.
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When someone blocks you on WhatsApp, there will be no notification or broadcast letting you know of the fact; you can still send them a message but they will not receive that message.
06
In group chats, the ticks system is similar, with a single grey tick as long as any member hasn't received the message yet.
07
Technical issues in the WhatsApp app may prevent message reception, though it's an uncommon occurrence.
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