Android Questions? Ask Android Device Experts for Answers ASAP
You can try using a recovery program such as Android Data Recovery but there isn't a guarantee that it will work.
Click here: http://www.recovery-android.com/recover-data-from-android.html
Download/run the program and try to recover any files.
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Unfortunately, there are not very many options for data recovery on a phone. If that program did not work then there isn't anything that can be done.