Android execute chmod command for data/data/com.android.providers.telephony

hi gus could 开发者_如何学JAVAanybody tell me how i can execute the adb pull command to pull the mmssms.db file. Otherwise i need to chmod the permission of the file to 775. I tried do both but got only permission denied..

Thanks in Advance...

You cannot access this file on production hardware, unless you root your phone. Unless you are writing your own firmware, you should not be working with this file.