config upgrade
        option fwLastUpateTime ''
        option fwLastCheckTime ''
        option fwLastAutoUpgradeTime ''
        option fwEventType ''
        option fwUpgradeTriggered ''
        option fwDownloadUrl 'https://http.fw.updates1.netgear.com/'
        option fwDownloadUrlFromCloud ''
        option fwConfigSetting 'auto_update=0'
        option routerCurrentVersion ''
        option routerNewVersion ''
        option fwCheckResult ''
        option fwUpgradeMethod ''
        option fwUpgradeLog ''
        option fwUpgRebootFlag '0'
        option fwAutoUpgradeEnable '0'
        option fwUpgradeLatest '1'
        option popupFlag '1'
        option parametersChangeFlag '0'
