Hetfieldson wrote in post #16618914
You mean that if I deleted a file, and then recorded something else, that deleted file would be lost for ever?
yes , if your data is very important use a secure delete software (the process will take a long time to be done depending on your memory size and write speed )
if its just personal photos that`s not very important , you can delete them all , format the memory and copy few big files that match your memory space (I normally do that we I want to lend my SD or USB flash to someone, I tried 3-4 recovery tools and I couldn't recover more that few damaged photos)