Problem with Install Fritzbox 7362SL (sysupgrade)

Installing and Using OpenWrt
1

I have a Fritzbox 7362SL. I was able to successfully complete the instructions (https://openwrt.org/toh/avm/avm_7362_sl) up to point 7. Unfortunately I have problems with point 8.
I tried sysupgrade without addition and with -v -F.
Can someone help me?

Here is my log:

BusyBox v1.35.0 (2023-04-27 20:28:15 UTC) built-in shell (ash)

root@OpenWrt:~# sysupgrade -v -F /tmp/openwrt-22.03.5-lantiq-xrx200-a
vm_fritz7362sl-squashfs-sysupgrade.bin
Thu Apr 27 20:31:31 UTC 2023 upgrade: Saving config files...
etc/config/dhcp
etc/config/dropbear
etc/config/firewall
etc/config/luci
etc/config/network
etc/config/rpcd
etc/config/system
etc/config/ucitrack
etc/config/uhttpd
etc/config/wireless
etc/dropbear/dropbear_ed25519_host_key
etc/dropbear/dropbear_rsa_host_key
etc/group
etc/hosts
etc/inittab
etc/luci-uploads/.placeholder
etc/nftables.d/10-custom-filter-chains.nft
etc/nftables.d/README
etc/opkg/keys/4d017e6f1ed5d616
etc/passwd
etc/profile
etc/rc.local
etc/shadow
etc/shells
etc/shinit
etc/sysctl.conf
etc/uhttpd.crt
etc/uhttpd.key
etc/uhttpd.key
etc/uhttpd.crt
Thu Apr 27 20:31:32 UTC 2023 upgrade: Commencing upgrade. Closing all shell sessions.
Command failed: Connection failed
root@OpenWrt:~# Connection to 192.168.1.1 closed by remote host.
Connection to 192.168.1.1 closed.

without addition:

root@OpenWrt:~# sysupgrade /tmp/openwrt-22.03.5-lantiq-xrx200-avm_fritz7362sl-squashfs-sysupgrade.bin
Thu Apr 27 20:43:19 UTC 2023 upgrade: Saving config files...
Thu Apr 27 20:43:20 UTC 2023 upgrade: Commencing upgrade. Closing all shell sessions.
Command failed: Connection failed
root@OpenWrt:~# Connection to 192.168.1.1 closed by remote host.
Connection to 192.168.1.1 closed.

2

after this step, does the router boot into anything other than the recovery mode? is the router pingable after rebooting the router?

you can also try searching this forum for Fritzbox 7362SL.
There seems to be a couple of similar questions, maybe you find a small clue or solution in one of them that seems helpful

3

The output you get is correct. The error messages you see are a result of

Closing all shell sessions.
4

I restarted the router again. I have no idea why, but suddenly everything works. It starts with open wrt with current software. Thank you :blush:

5

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