Developers use hex editors to find "jump" instructions in the code that check for licenses. By changing these bits, the software can be tricked into thinking it is "activated." 2. Bootloader Exploits
If the checksums don't match exactly, the module may become a "brick" (permanently unbootable). nm368818 firmware cracked
Many "free" cracks found on forums contain keyloggers or backdoors that can steal data from the network the module is connected to. Developers use hex editors to find "jump" instructions