[FS#3853] NETGEAR WNDR4300v2 Bricked on Power Cycle After Flash
openwrt-bugs at lists.openwrt.org
Fri Jun 4 08:59:20 PDT 2021
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User who did this - rvernica (rvernica)
Attached to Project - OpenWrt/LEDE Project
Summary - NETGEAR WNDR4300v2 Bricked on Power Cycle After Flash
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To -
Operating System - All
Severity - High
Priority - Very Low
Reported Version - openwrt-21.02
Due in Version - Undecided
Due Date - Undecided
Details - On a NETGEAR WNDR4300v2 with stock firmware I flash OpenWrt. It works fine after flash (not power cycled *yet*). On the first power cycle the device is fails to start. I'm able to restore the factory firmware using nmrpflash.
Device: NETGEAR WNDR4300v2
Factory firmware: V22.214.171.124
OpenWrt firmware: openwrt-21.02.0-rc2-ath79-nand-netgear_wndr4300-v2-squashfs-factory.img
I checked the OpenWrt firmware checksum. I did a factory install. On first boot, OpenWrt works just fine. I'm able to adjust settings and Save & Apply them. If I power-cycle the device it fails to boot. The problem exists even if I don't change any settings in OpenWrt. The Power led is amber continuously. The led for ports 1-4 flash once then remain off. After about 18 seconds the cycle repeats.
I'm able to restore the factory firmware by connecting to port 1. I set a static IP 192.168.1.100/255.255.255.0 Gateway:192.168.1.1. I ran the nmrpflash tool and power On the unit:
> sudo ./nmrpflash -i enp0s25 -f WNDR4300v2-V126.96.36.199.img
Waiting for physical connection.
Advertising NMRP server on enp0s25 ... |
Received configuration request from xx:yy:...
Sending configuration: 10.164.183.252/24.
Received upload request: filename 'firmware'.
Uploading WNDR4300v2-V188.8.131.52.img ... OK
Waiting for remote to respond.
Remote finished. Closing connection.
Reboot your device now.
Once completed the factory firmware is restored.
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