Samsung SWL-4000AP Series User Manual page 78

AP Firmware can be upgraded via serial using 1k-xmode protocol.
Power must be always on during the upgrade.
Do you really want to upgrade the firmware via serial ? (y/n):y
Do you really want (y/n)? y
⑥ If you want to upgrade AP firmware, enter "y(yes)" after "Do you really want
to upgrade the firmware via serial ?" then, press [Enter: ]. Enter "y(yes)"
again after "Do you really want (y/n)?", then press [Enter: ].
The following window will be displayed.
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AP will enter into the FIMWARE UPGRADE MODE
##################################################
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Type command([go]: normal operating or [help]: help)
CMD : apfirm
⑦ Enter the "apfirm" after "CMD: " then, press [Enter
.
>
Boot firmware
(SST flash memory,0xBF)
2000.12.09
74
Enter
"apfirm"
]