For devices with dead screens or non-functional logic boards, the Gecko toolkit includes a hardware adapter to read/write directly to the NAND IC (the storage chip). By bypassing the main processor, technicians can extract raw data dumps, even if the phone appears dead.
Secondly, there is the legal aspect. The toolkit works by exploiting low-level security vulnerabilities in iOS, a process known as jailbreaking. Apple views jailbreaking as a violation of its end-user license agreement (EULA) and actively discourages users from attempting to gain root access to their devices through such exploits. While jailbreaking a personal device for your own use is often considered legal in some jurisdictions (like the United States under certain exemptions), using it to bypass the security of a device that does not belong to you is illegal. Most guides emphasize that the Gecko iPhone Toolkit should and not on lost or stolen property. gecko iphone toolkit
If you are trying to recover childhood photos from an old or iPod Touch 4G , the Gecko iPhone Toolkit can be a lifesaver if you have the patience to troubleshoot the complex legacy PC environment it requires. However, for any device made in the last decade, this tool is completely non-functional. For devices with dead screens or non-functional logic