Hey @npcomplete I'm truly thankful for your efforts on helping out! I just did the flash and everything was working fine!!! Until I found out that under the Network tab the wireless option was missing, I tried to look at /etc/config/wireless folder didn't find the wireless folder. I did try to dig in thru my logs and found that for any work around for it and I found this
[ 21.181693] brcmfmac 0000:03:00.0: Direct firmware load for brcm/brcmfmac4366b-pcie.bin failed with error -2
[ 20.809859] xt_time: kernel timezone is -0000
[ 20.853577] PPP generic driver version 2.4.2
[ 20.859182] PPP MPPE Compression module registered
[ 20.866131] NET: Registered protocol family 24
[ 20.871952] PPTP driver version 0.8.5
[ 20.883805] usbcore: registered new interface driver brcmfmac
[ 20.889799] pci_generic_config_write32: 100 callbacks suppressed
[ 20.889813] pci_bus 0000:03: 1-byte config write to 0000:03:00.0 offset 0x3c may corrupt adjacent RW1C bits
[ 20.905779] pci 0000:00:00.0: enabling device (0140 -> 0142)
[ 20.911487] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x4 may corrupt adjacent RW1C bits
[ 20.921218] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x4 may corrupt adjacent RW1C bits
[ 20.930951] pci 0000:01:00.0: enabling device (0140 -> 0142)
[ 20.936688] pci_bus 0000:01: 2-byte config write to 0000:01:00.0 offset 0x4 may corrupt adjacent RW1C bits
[ 20.946440] pci_bus 0000:01: 2-byte config write to 0000:01:00.0 offset 0x4 may corrupt adjacent RW1C bits
[ 20.956182] pci 0000:02:01.0: enabling device (0140 -> 0142)
[ 20.961881] pci_bus 0000:02: 2-byte config write to 0000:02:01.0 offset 0x4 may corrupt adjacent RW1C bits
[ 20.971636] pci_bus 0000:02: 2-byte config write to 0000:02:01.0 offset 0x4 may corrupt adjacent RW1C bits
[ 20.981368] brcmfmac 0000:03:00.0: enabling device (0140 -> 0142)
[ 20.987542] pci_bus 0000:03: 2-byte config write to 0000:03:00.0 offset 0x4 may corrupt adjacent RW1C bits
[ 20.997297] pci_bus 0000:03: 2-byte config write to 0000:03:00.0 offset 0x4 may corrupt adjacent RW1C bits
[ 21.172793] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4366b-pcie for chip BCM4366/3
[ 21.181693] brcmfmac 0000:03:00.0: Direct firmware load for brcm/brcmfmac4366b-pcie.bin failed with error -2
[ 26.262816] pci_bus 0000:04: 1-byte config write to 0000:04:00.0 offset 0x3cmay corrupt adjacent RW1C bits
[ 26.272638] pci 0000:02:02.0: enabling device (0140 -> 0142)
[ 26.278316] pci_bus 0000:02: 2-byte config write to 0000:02:02.0 offset 0x4 may corrupt adjacent RW1C bits
[ 26.288013] pci_bus 0000:02: 2-byte config write to 0000:02:02.0 offset 0x4 may corrupt adjacent RW1C bits
[ 26.297697] brcmfmac 0000:04:00.0: enabling device (0140 -> 0142)
[ 26.303814] pci_bus 0000:04: 2-byte config write to 0000:04:00.0 offset 0x4 may corrupt adjacent RW1C bits
[ 26.313498] pci_bus 0000:04: 2-byte config write to 0000:04:00.0 offset 0x4 may corrupt adjacent RW1C bits
[ 26.352602] ------------[ cut here ]------------
[ 26.357233] WARNING: CPU: 1 PID: 547 at kernel/workqueue.c:2917 0xc012fa24
[ 26.364133] Modules linked in: brcmfmac(+) pptp pppox ppp_mppe ppp_generic iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_string xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt _connbytes xt_comment xt_bpf xt_TCPMSS xt_REDIRECT xt_NETMAP xt_LOG xt_HL xt_FLOWOFFLOAD xt_DSCP xt_CT xt_CLASSIFY usblp ums_usbat ums_sddr55 ums_sddr09 ums_kar ma ums_jumpshot ums_isd200 ums_freecom ums_datafab ums_cypress ums_alauda ts_kmpts_fsm ts_bm slhc nf_reject_ipv4 nf_nat_ipv6 nf_nat_ipv4 nf_nat_ftp nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_conntrack_rtcache nf_conntrack_netlinknf_conntrack_ftp nf_conncount iptable_raw iptable_mangle iptable_filter ipt_ECN ip6table_raw
[ 26.435170] ip_tables crc_ccitt compat brcmutil arptable_filter arpt_manglearp_tables fuse sch_cake sch_teql sch_sfq sch_red sch_prio sch_pie sch_multiq sch_gred sch_fq sch_dsmark sch_codel em_text em_nbyte em_meta em_cmp act_simple act_police act_pedit act_ipt act_gact act_csum act_connmark nf_conntrack nf_defrag _ipv6 nf_defrag_ipv4 sch_tbf sch_ingress sch_htb sch_hfsc em_u32 cls_u32 cls_tcindex cls_route cls_matchall cls_fw cls_flow cls_basic act_skbedit act_mirred ledtrig_usbport siit ledtrig_oneshot ledtrig_gpio gpio_beeper xt_set ip_set_list_set ip_set_hash_netportnet ip_set_hash_netport ip_set_hash_netnet ip_set_hash_netiface ip_set_hash_net ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportipip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_b itmap_ipmac
[ 26.506030] ip_set_bitmap_ip ip_set nfnetlink nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 nfsd nfs msdos bonding ip6_gre ip_gre gre ifb nat46 l2tp_ip6 l2tp_ip l2tp_eth sit l2tp_netlink l2tp_core xfrm6_mode_tunnel xfrm6_mode_transport xfrm6_mode_beet ipcom
Also, maybe these could help D-Link DIR885L-A1 brcm Beamforming, https://github.com/openwrt-mirror/openwrt/blob/master/package/firmware/linux-firmware/broadcom.mk. Not really sure if I could try that lol Let me know if there's any workaround to resolve this. Thanks!