Documents, and software. View GSA-H55N warranty information and schedule services. Manuals Software, Firmware, Help Library. Download firmware for LG GSA-H55N. Filename · 1.06, 22nd October, 2008, GSA-H55N_106.zip. 1.05, 1st January, 2008, GSA-H55N_1.05(EW).zip. 1.05, 1st January, 2008, GSA-H55L_1.05(EW).zip. 1.03, 10th October, 2007, GSA -H55L_1.03(EW).zip. 1.02, 11th July, 2007, GSA-H55L_102(EW).zip.