Hello,
I have been trying to boot back to oem rom of zyxel 3301 plus but was unable to do so
I have tried using force sysupgrade to oem
Tried with tftp but static IP and bin name is unknown so didn't work out for me
Not sure about UART serial
If anyone knows a way please let me know
Thanks
There is limited information in the git commit about flashing to OpenWrt, but I suppose you have read this already, since you have installed OpenWrt.
Maybe the developer who authored the commit has an idea.
Thanks for the reply
I did try to contact them @hauke @avalentin
Maybe they can help me out hopefully 
OEM firmware
I have the firmware but I cannot boot into OEM firmware do you know any way
I tried tftp on 192.168.31.1 with ras.bin in root directory but router didn't respond to it was holding wps push buttons
Tried through sysupgrade but it doesn't overwrite the openwrt firmware
@Tarmgass @bmork I believe this has same SoC as NR7101
Any methods that u might suggest to boot OEM firmware?
Thanks
Last update
Tried everything that I knew failed so far I guess I'm stuck unless someone comes up with a method to try out
Thanks to the people who tried to help me out I guess I am out of luck
can you connect with ssh ?
WinScp copy oem.firmware -> tmp
cd /tmp
after mtd write oem.firmware "partition ?"
Yes I have access to ssh
Can u please specify the command mtd write filename.bin partition
Partition=which partition should it point to
I'm new to this so could please explain me a little bit?
i have not this product !!!
cat /proc/mtd
you will have the name of the partitions similar as:
cat /proc/mtd
dev: size erasesize name
mtd0: 00080000 00020000 "Bootloader"
mtd1: 00080000 00020000 "Config"
mtd2: 00080000 00020000 "factory"
mtd3: 00400000 00020000 "kernel"
mtd4: 07180000 00020000 "ubi"
I have kept the file as ras.bin in /tmp
cd /tmp
mtd write ras.bin partition
These 2 commands should do it?
I don't know what to specify as partition
root@OpenWrt:~# cat /proc/mtd
dev: size erasesize name
mtd0: 00080000 00020000 "uboot"
mtd1: 00080000 00020000 "uboot_env"
mtd2: 00040000 00020000 "factory"
mtd3: 01ec0000 00020000 "Kernel"
mtd4: 01ec0000 00020000 "kernel2"
mtd5: 00100000 00020000 "wwan"
mtd6: 03ee0000 00020000 "ubi"
These are the partitions what should be the command brother?
Firmware name- ras.bin
Copied to /tmp directory
What should be the command
Thank you
mtd write ras.bin Kernel or kernel2
Thanks aton brother
It really worked
Didn't know that this device had 2 kernel partitions
It would have been impossible without YOU
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