You may lose your files on Android phones & tablets for many reasons. Here are the most common causes that will lead to all data or some data lost.
Accidentally delete important files (Contacts, Photos, Videos, etc.) on Android devices.
Lost data during or after rooting Android devices.
Wiped all files after restoring Android to factory settings.
Lost files after flashing a ROM to your Android phone.
Lost files after unlocking bootloader.
Can't access data on your Android device because it is broken or damaged.
Other sudden and unexplainable data loss.
Tenorshare Android Data Recovery is capable of recovering files that you lost by any reason. It supports to recover data from popular Android phones and tablets from Samsung, HTC, Google, LG, Sony, Motorola, ZTE, Huawei and other devices that run Android OS between 2.1 and 6.0.