What are the pros and cons of selling rooted androids for resale “as-is” to the general public? [closed]

Question

For my question, let me give some background. My business is to data clear phones and tablets. I've been tasked with research into rooted devices. I have a very basic grasp of this concept. I think what I've found is that rooted devices can be 'unrooted' but only if one knows what rooted it originally. I've found this:

You’ll have to use either a terminal emulator or ADB. Here are the commands to uninstall it:

mount -o remount,rw /system rm /system/app/Superuser.apk

Would that be a good way to remove the root from all cells across the board?

Specifically what I need to know is what do rooted devices mean to the cell phone data clear industry? Is there user data in a rooted device after data clearing it manually?

Answer 1

Since a device is "rooted" (generic Android device, no names of manufacturers, this is just a guideline, mileage will vary), chances are:

• boot-loader is unlocked
• custom recovery is installed

The above two usually go hand-in-hand together, along with running a perhaps, custom ROM.

If the above criteria is held true for that said device, then its a matter of issuing a fast-boot to format all partitions individually as in using fastboot erase xxxxx where xxxxx is one of:

• boot
• recovery
• data
• system

That, may fit the criteria to the vague representation of data clearing industry, or some standard that was stipulated and to be carried out as per the OP's question.