Battery not charging correctlyI am trying to repair a Nokia C3-00 which is not charging the battery properly it starts then stops charging continuously....
Answer to "How to tighten charging socket connection?"You will need good soldering skills either to repair or replace the socket.
Answer to "Phone wont charge or turn on"If the battery casing has been damaged, you should handle with care. Lithium-based batteries can spontaneously catch fire if the casing has been damaged. You may want to try an alternative battery - perhaps a used one initially to prove that it is the battery which is causing the problem.
Answer to "Why did my USB ports stop working?"Which operating system are you using - Windows/Mac OS? If Windows, check in Start --> Control Panel --> Device Manager Are there any yellow exclamation marks against the USB devices?