Don't worry. All digital data can possibly be recovered as long as you follow this guide. In this case, you should stop using your Android phone because any new files in the SD card might overwrite your lost data.
Android Data Recovery, which can retrieve pictures and videos from SD cards on Android devices, as well as messages and contacts on SIM cards.
Step 1. Run the program and connect Android to the computerDownload, install and run the program on your computer. Connect your Android phone with computer, and move to the next step.
Step 2. Enable USB debugging on your Android deviceIf you didn't enable USB debugging on your Android device before, you'll get the window below after connecting your device. There are three situations to finish enable USB debugging on your Android device for different Android system. Choose the way suitable for your device:
Step 3 Analyze and scan your Android SD cardThen Android recovery software will detect your phone. Before scanning your device, the program needs to analyze it at first. Select the type of files you want to recover and click "Next" to begin.
After that, you can scan your device now. When the window pops up following picture, click "Allow" button on the homescreen, then click "Start" again to begin scan the SD card.
Tips: The scan process will take you a few minutes, please wait patiently.
Step 4 Preview and recover data from Android SD cardsAfter finish scanning the SD card, you will be able to preview found data such as photos, Messages, contacts and videos, so as to check whether your lost files are found or not. Then you can mark the data you want and click "Recover" button to save them on your computer
Note: Besides video and pictures from the SD card, Android Data Recovery also lets you restore messages and contacts from SIM card on your Android device.