One, micro-letter Delete chat record
1) Delete a single chat record
If you are chatting with someone, you want to delete a single chat record. This is very simple, as long as the finger to delete the chat record, will pop up an action dialog box, select click "Delete", the micro-letter will prompt "whether to delete the message", and then click "OK" button can be deleted a single.
2 Clear all chats with a person in a micro-letter
In the micro-mail chat buddy list, click on the chat friend, click on the top right corner of the "User icon" button, the bottom of the interface has a "empty chat record" button, click and click "Empty chat Record" Confirmation button, you can and the friend of the chat information all clear.
3 Clear all the Friends chat record
In the micro-letter 5.0 version, login micro-Letter Select "Settings", there is a "clear chat record" function, you can empty all the friends chat record. However, after the micro-letter 5.0 version, the operation position changed to "I-> set-> general-> empty chat record."
two, clear old file method
1 Open the micro-letter, in the "I" Page click "Settings", and then click "General". (pictured below)
2 Select "Clean up the micro-letter storage Space", waiting for the scan cleared, then click on the upper right corner of the "... 】。 (pictured below)
3 Click "Clean old file", remember "delete" can be three months ago video, pictures and files deleted oh. (pictured below)
Third, clear some data files in mobile phone
Here is a Samsung mobile phone as an example
1. Long Press "Home" button, open Ram Manager, clean up the running application to free program memory.
2. Uninstall the installed application.
3. Clear Mobile Internet cache: Open "browser"-Press "menu" key-"set"-"privacy and security"-"clear Cache", "Clear history."
4. If it is a camera photo/video, can be set in advance storage path for external SD card. Turn on the camera-settings-storage-memory card.
5. Clear the recorded calls, SMS, etc.
6. Move multimedia files to an external SD card, follow these steps:
1. If an Android 2.3/4.0/4.1 system: Select "Application"-"My Files"-"All Files"-"sdcard0"-find folders that need to be moved-long hold down-move to-return to "EXTERNAL_SD"-click "Move Here".
2. If an Android 4.2 or above system: Select Application-"My Files"-"All Files"-"Device storage"-Find the folders that need to be moved and open-Press the "menu" key-Select All-click the three bar icon-move, return to the parent directory, click "SD memory Card "-Select a related folder (or create a new folder)-Move here.
Note: Android 2.2 and previous versions (some Android 2.3 systems do not support built-in hard drives), the multimedia files are stored by default in an external SD card.
7. Back up the important data on the phone and restore the factory settings.
Tip: The mobile phone itself to occupy a part of the cache memory, it is possible that memory is enough to show insufficient memory.