- Files including images and videos in any WeChat conversations will expire. Larger files tend to expire sooner. You should save the files or images to your device for safe keeping if you are going to need that in the future.
- Alternatively, you can save to your "Favorite" menu by tapping favorite. Tags are support and you can search for the tags later.
- Conversations in logged in devices other than your main phone are not perfectly synced with all messages you received.
- You can quit WeChat on your secondary device (probably a computer) and login again.
- Look at your phone for important conversations. Do not rely on secondary devices.
- After a while, you will forget that your WeChat account has a password. So, as you are reading this, jot them down somewhere.
- The mesages are stored locally. If you loose your phone, all you chat messages will be lost.
- You can backup and restore your messages to a new phone by the backup and restore option.
- If you are running low on space on your phone, you can selectively delete files for individual conversations, personal or group chats.
- The number of member in groups are limited to 500 members.