Care With Joy

Can I delete all the files at the same time?

How can I delete the hidden files on the phone?

Can I find the files I delete?

How to check the system files?

What is root directory?

How to transfer a file to another folder?

How to change the open method of the file?

Where is the decrypted file stored?

How to use Remote management?

How to compress and decompress files?

How to modify the format of the files?