How to delete temp files on android smart phone?
Even if you often delete the history from your mobile browser, temporary files may remain and leave traces of your browsing. Remember to clear your temporary files for added security. To delete these files on your Android phone or tablet:
3.Select your mobile browser (usually Chrome).
4.Touch Clear Cache, Clear History and Delete all cookies.
Repeat the operation on all browsers (like Dolphin Browser for example). Choose Advanced Settings> Clear data.
It is necessary to remove daily temporary files that include cookies and negative elements for the security of your phone.This does not prevent you from also continue erasing your history. The two go together.