Netgear Nighthawk X4 R7500v2; 2ghz band (wifi) is not working

Hi
I have "Netgear Nighthawk X4 R7500v2" recently flashed the latest LEDE

Model Netgear Nighthawk X4 R7500v2
Firmware Version LEDE Reboot 17.01.1 r3316-7eb58cf109 / LuCI lede-17.01 branch (git-17.100.70571-29fabe2)
Kernel Version 4.4.61

2ghz wifi is not stable at all. I am forced to thinking of going back to netgear stock firmware(I know it is bad decision)
I am not sure who can help me on this. I am ready to work with any Developer if they wants to troubleshoot or provide some patch.

Let know what logs you need I will provide them.

iwinfo
wlan0 ESSID: "OM5"
Access Point:
Mode: Master Channel: 36 (5.180 GHz)
Tx-Power: 23 dBm Link Quality: 45/70
Signal: -65 dBm Noise: -106 dBm
Bit Rate: 6.0 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11nac
Hardware: 168C:0040 168C:0002 [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy0

wlan1 ESSID: "OM2"
Access Point:
Mode: Master Channel: 11 (2.462 GHz)
Tx-Power: 30 dBm Link Quality: 60/70
Signal: -50 dBm Noise: unknown
Bit Rate: 1.0 MBit/s
Encryption: WPA2 PSK (CCMP)
Type: nl80211 HW Mode(s): 802.11bgn
Hardware: 168C:0040 168C:0002 [Generic MAC80211]
TX power offset: unknown
Frequency offset: unknown
Supports VAPs: yes PHY name: phy1

Logread lines below lines are not common i guess, this doesn't happen with 5ghz band
Fri May 5 00:41:28 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: associated (aid 1)
Fri May 5 00:41:34 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: authenticated
Fri May 5 00:41:34 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: associated (aid 1)
Fri May 5 00:41:40 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: authenticated
Fri May 5 00:41:40 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: associated (aid 1)
Fri May 5 00:41:46 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: authenticated
Fri May 5 00:41:46 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: associated (aid 1)

#######

Any help is appreciated

Fri May 5 00:34:59 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: authenticated
Fri May 5 00:34:59 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: associated (aid 1)
Fri May 5 00:35:08 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: deauthenticated due to local deauth request
Fri May 5 00:35:10 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: authenticated
Fri May 5 00:35:10 2017 daemon.info hostapd: wlan1: STA 00:15:99:ec:88:eb IEEE 802.11: associated (aid 1)

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@chandoo Just saying hello. Did you ever get the Nighthawk x4 r7500v2 working? I am going to update my old router and just wondering if yours ever worked out.

The r7500v2 should work (disclaimer, never had this device myself).

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Hi,
yes I am on below version right now, everything is working fine. and very stable.
" OpenWrt 21.02.3, r16554-1d4dea6d4f"

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