../ T8504-R.bin 22-Jun-2023 07:30 7651199 howtoupgrade.txt 22-Jun-2023 07:30 7220 relnote.txt 22-Jun-2023 07:30 1289 thirdpartysoftwarelicenses_T8504-R.txt 22-Jun-2023 07:30 73310 ver.txt 22-Jun-2023 07:30 9