Exclamation [Q] Help wish Kernel

Good day , you need your advice about the kernel , have on hand Sams Note 3 Demo Unit, almost identical to the original , the only difference is the absence of 2-3 micro parts for the GSM module , and only the memory of the Linux partition and a hidden . They demo more than the original ( reduced section for data) when the firmware on the original stock , or custom , phone goes to reboot the system after 2min (system shut down ) that I can do about it? custom kernel edit , remove from the GSM, or edit Stock, experience with editing kernel I do not have (
Such devices in Russia many walks hand 1000 + , and more and more have bricks when installing custom firmware is , have the source of the original kernel, ps sorry for my english