Once you get your credit report, read it to see if there are errors or incomplete info. For example, if you noticed that a particular report contains an unpaid debt but you previously paid it, you have to correct the error by sending a letter and the proof that you paid the debt in full. Fact is, credit bureaus are responsible (by law) for correcting any mistakes in your credit report.
Errors like this will lower your credit score. By correcting these errors consistently, you may be able to begin raising your credit score in as little as thirty days.
The next best thing you need to do to improve your credit score fast is to pay down the debt you have. The point to all this is to pay down your credit card debt so that it will not have a balance that exceeds 50% of your credit limit.
The third thing that will improve your credit score fast is to begin paying all your bills on time. By doing this, the creditors will not report any negative things about your credit activities. By paying your bills on time, you will be able to raise your credit score.