int_osx_receive_prim() in gsm-fw/gpf/osx/osx.c: there was an error in the reconstruction of this function from disassembly in the logic that implements special handling for MPHC_RXLEV_REQ messages. The code is now fixed to properly match what the binary object version does; with this fix the firmware now performs the power measurement phase correctly and the initial network registration succeeds.

#include "types.h"

lldbg_main()
{
	lldbg_printf("\2\2\2*Low Level Debug mode entered\2");
	for (;;) {
		lldbg_putchar('>');
		if (lldbg_command_entry())
			lldbg_command_dispatch();
	}
}