I mean are we missing something like a certficate or stuff like that? I downloaded the ATF box utility and with it there are lots of files such as osbl_dload or osbl_qcom or mbr or sec_boot.....can someone do something with those? I would really appreciate some explanation.....
Most Lumia 800 phones have a restrictive bootloader ('DLOAD'). We have a working open bootloader for the Lumia 800, however it is not 'signed', so we cannot install it on the 'DLOAD' phones. The Lumia 800 phones have restrictions as to what components can be installed and they must be signed (certificates).
With the ATF box, you can use the special 'test points' of the Lumia 800 in order to write directly on the phone memory the (unlocked) open bootloader, replacing the restrictive bootloader. These test points are accessible when you open up the Lumia 800 phone. With the ATF box, you ignore issues about certificates because you use a trick to write directly on the phone memory.
The DLOAD Lumia 800 phones have restrictions. If you want to access the phone memory, you need to go through special Windows Phone software, and this software does not provide direct access. It is very restrictive.
Some initial Lumia 800 phones had the open bootloader (from Qualcomm), which allowed to boot the phone in a special way, and gave full access to the phone memory. Full access to all the 16GB of phone memory. If you have such a phone, it is possible to fully unlock it (there are instructions in this forum) and have admin acess to the phone.
