09 Jan LK-P21 Firmware Update Posted in Utility by Philip Sanborn Version1.0 Download2113 File Size1.35MB Create DateJanuary 9, 2018 Last UpdatedJuly 16, 2018 Use the utility below to update the firmware of your LK-P21 mobile receipt printer. Download FileActionP21_FIRMWARE_UPDATE.zip Download Tags: LK-P21
