Starting at this address, about 90MB of data was copied into a new hex editor window. This is where the recovery hit a snag.

How to Edit Firmware Through Hex. Editing a firmware file in a hexadecimal, or hex, editor can allow you to modify a device's behavior. For example, you can change the speed of manufacturing ...

With a few quick steps you can change some data with a built in hex editor, unlocking several new settings menus, or bricking your entertainment centerpiece.