Flashing OpenWrt FritzBox 3370

Installing and Using OpenWrt
1

Hi,

I was following https://openwrt.org/toh/avm/fritz.box.wlan.3370 but I could not get into ftp mode of bootloader for a while...

Then I found https://wiki.freifunk-dresden.de/index.php/Router_einrichten_AVM and ran eva_ramboot.py 192.168.178.1 openwrt-22.03.3-lantiq-xrx200-avm-fritz3370-rev2-hynix-initramfs-kernel.bin successfully. OpenWrt is running on my FritzBox, but as soon as I reboot, its constantly flashing red "Info". It seems like its stuck. What to do?

PS: Also tried the same procedure with micron, but result is the same...

2

Now your openwrt is only started from ftp .To flash it you must then use sysupgrade image to "upgrade" openwrt .

3

I did this in luci and upgraded to openwrt-22.03.3-lantiq-xrx200-avm_fritz3370-rev2-hynix-squashfs-sysupgrade.bin ... same red blinking error occurs instantly after reboot

4

Connecting without the script also works now...

but still got an error

ftp -n 192.168.178.1
Connected to 192.168.178.1 (192.168.178.1).
220 ADAM2 FTP Server ready
ftp> quote USER adam2
331 Password required for adam2
ftp> quote PASS adam2
230 User adam2 successfully logged in
ftp> binary
200 Type set to BINARY
ftp> debug
Debugging on (debug=1).
ftp> passive
Passive mode off.
ftp> quote SETENV linux_fs_start 0
---> SETENV linux_fs_start 0
200 SETENV command successful
ftp> quote MEDIA FLSH
---> MEDIA FLSH
200 Media set to MEDIA_FLASH
ftp> put /path/openwrt-22.03.3-lantiq-xrx200-avm_fritz3370-rev2-hynix-squashfs-eva-kernel.bin mtd1
local: /path/openwrt-22.03.3-lantiq-xrx200-avm_fritz3370-rev2-hynix-squashfs-eva-kernel.bin remote: mtd1
ftp: setsockopt (ignored): Permission denied
---> PORT 10,137,0,31,209,47
502 Command not implemented
ftp: bind: Address already in use
ftp> put /path/openwrt-22.03.3-lantiq-xrx200-avm_fritz3370-rev2-hynix-squashfs-eva-filesystem.bin mtd0
local: /path/openwrt-22.03.3-lantiq-xrx200-avm_fritz3370-rev2-hynix-squashfs-eva-filesystem.bin remote: mtd0
ftp: setsockopt (ignored): Permission denied
---> PORT 10,137,0,31,222,229
502 Command not implemented
5

please try boot eva ramboot + sysupgrade using version 21.02.5 .Also you might run ssh 192.168.1.1 and then dmesg to see if nand flash get detected

6

I just installed OpenWrt 22.03.03 successfully using lftp following https://wiki.freifunk-dresden.de/index.php/Router_einrichten_AVM#Anleitung_f.C3.BCr_FritzBox_3370_unter_Ubuntu_.2F_Debian

Replace XXX either with hynix or micron, depending on your model cpu.

Steps:

  1. Install lftp
  2. Rename openwrt-22.03.3-lantiq-xrx200-avm_fritz3370-rev2-XXX-squashfs-eva-kernel.bin to mtd1
  3. Rename openwrt-22.03.3-lantiq-xrx200-avm_fritz3370-rev2-XXX-squashfs-eva-filesystem.bin to mtd0
  4. Create a separate file named adam2-commands with the following commands:
open 192.168.178.1
login adam2 adam2
quote USER adam2
quote PASS adam2
binary
debug
quote SETENV linux_fs_start 0
quote MEDIA FLSH
put mtd1
put mtd0
quote REBOOT
quit
  1. Change your local ip to 192.168.178.10
  2. Open a terminal where all three files are stored and run lftp -f adam2-commands
7

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