Update OpenWrt on Norza D55

Hello

I have two Norza D55 with a rather old version of OpenWrt. Is there a chance to install a newer version on this device?

I'm completely new to OpenWrt, but I gathered some information:

$ cat /etc/banner
  _______                     ________        __
 |       |.-----.-----.-----.|  |  |  |.----.|  |_
 |   -   ||  _  |  -__|     ||  |  |  ||   _||   _|
 |_______||   __|_____|__|__||________||__|  |____|
          |__| W I R E L E S S   F R E E D O M
 ATTITUDE ADJUSTMENT (bleeding edge, r28148) ----------
  * 1/4 oz Vodka      Pour all ingredients into mixing
  * 1/4 oz Gin        tin with ice, strain into glass.
  * 1/4 oz Amaretto
  * 1/4 oz Triple sec
  * 1/4 oz Peach schnapps
  * 1/4 oz Sour mix
  * 1 splash Cranberry juice
 -----------------------------------------------------
$ cat /proc/cpuinfo
Processor       : ARM926EJ-S rev 5 (v5l)
BogoMIPS        : 227.73
Features        : swp half thumb fastmult edsp java
CPU implementer : 0x41
CPU architecture: 5TEJ
CPU variant     : 0x0
CPU part        : 0x926
CPU revision    : 5

Hardware        : WNC D55
Revision        : 0000
Serial          : 0000000000000000
$ opkg update
Downloading http://downloads.openwrt.org/snapshots/trunk/d55/packages/Packages.gz.
wget: server returned error: HTTP/1.1 404 Not Found
Collected errors:
 * opkg_download: Failed to download http://downloads.openwrt.org/snapshots/trunk/d55/packages/Packages.gz, wget returned 1.
$ free
             total         used         free       shared      buffers
Mem:         57960        13588        44372            0            0
-/+ buffers:              13588        44372
Swap:            0            0            0root@NorzaD55:/

The device isn't listed on the table of hardware, but there is a device with the same cpu - does that help? Did the url for package updates worked at some point in the past?

Thanks for your help.

not really, since it's not supported, as you've already noted.

if there are other devices using the same SoC, support might be added, but it'll require time, mainly your time.

Make sure it's not a 4/32 device, that's a no go.

Investing some time is ok, if I can learn or build something. But before starting a project I like to know the chance of success.

The device has 64MB RAM and if I understand the output from df correctly, at least 128MB Flash.

$ df -h
Filesystem                Size      Used Available Use% Mounted on
mtd5                      8.0M      4.9M      3.1M  61% /
tmpfs                    28.3M     56.0K     28.2M   0% /tmp
tmpfs                   512.0K         0    512.0K   0% /dev
/dev/mtdblock9           33.0M     13.6M     19.4M  41% /factory2
/dev/mtdblock3            1.0M    392.0K    632.0K  38% /factory
/dev/mtdblock8           70.6M      2.0M     68.7M   3% /data

I also have some supported devices from AVM - I will start my journey to OpenWrt with those.

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