How to open protected files? I sale my mobile,  LG g4, and I use content lock on my files, now I switch my mobile to Huawei P8 lite, but the files which were protected from my LG g4 couldn't open, and it's format is some 'dm files', it's very important files for, kindly just help me how to open these files?
If you have used the LG phone system encryption tool for protecting your content , then it can only be unlocked from the same device.