Celerway Cirrus CWY-M2.1-E5L2W1

Hi, i just got hands on a used one of this devices with 2x LTE modems.
It has been reset to factory settings, and it looks like i need some kind of license to get it up running.
It is clearly a openwrt based firmware on it, and i wonder if it could be any way for me to avoid this licence activation and start to use it ?

I do have root access in SSH (no password).

This is the startup page:

login as: root


BusyBox v1.30.1 () built-in shell (ash)


  /$$$$$$            /$$
 /$$__  $$          | $$
| $$  \__/  /$$$$$$ | $$  /$$$$$$   /$$$$$$  /$$  /$$  /$$  /$$$$$$  /$$   /$$
| $$       /$$__  $$| $$ /$$__  $$ /$$__  $$| $$ | $$ | $$ |____  $$| $$  | $$
| $$      | $$$$$$$$| $$| $$$$$$$$| $$  \__/| $$ | $$ | $$  /$$$$$$$| $$  | $$
| $$    $$| $$_____/| $$| $$_____/| $$      | $$ | $$ | $$ /$$__  $$| $$  | $$
|  $$$$$$/|  $$$$$$$| $$|  $$$$$$$| $$      |  $$$$$/$$$$/|  $$$$$$$|  $$$$$$$
 \______/  \_______/|__/ \_______/|__/       \_____/\___/  \_______/ \____  $$
                                                                     /$$  | $$
                                                                    |  $$$$$$/
                         CRAZY FAST ROUTER                           \______/

 -----------------------------------------------------------------------------
 Celerway 1.5.0-18
 -----------------------------------------------------------------------------
=== WARNING! =====================================
There is no root password defined on this device!
Use the "passwd" command to set up a new password
in order to prevent unauthorized SSH logins.
--------------------------------------------------
root@Celerway000d50010f28:~# cat /proc/version
Linux version 4.14.180 (jenkins@e100e9b12d14) (gcc version 7.5.0 (OpenWrt GCC 7.5.0 r11063-85e04e9f46)) #0 Sat May 16 18:32:20 2020
root@Celerway000d50010f28:~# cat /proc/cpuinfo
system type             : MediaTek MT7620A ver:2 eco:6
machine                 : Sanlinking Technologies D240
processor               : 0
cpu model               : MIPS 24KEc V5.0
BogoMIPS                : 385.84
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb]
isa                     : mips1 mips2 mips32r1 mips32r2
ASEs implemented        : mips16 dsp
Options implemented     : tlb 4kex 4k_cache prefetch mcheck ejtag llsc pindexed_dcache userlocal vint perf_cntr_intr_bit nan_legacy nan_2008 perf
shadow register sets    : 1
kscratch registers      : 0
package                 : 0
core                    : 0
VCED exceptions         : not available
VCEI exceptions         : not available

root@Celerway000d50010f28:~#

This device is not supported by the official OpenWrt project. If it was, you'd see it listed in the [table of hardware](https://openwrt.org/toh/start?dataflt%5BBrand*%7E%5D=celerwy&dataflt%5BModel*%7E%5D=).

You'll need to contact the manufacturer/vendor for assistance.

EDIT: looks like I was wrong -- the next comment shows that the device is supported, but under a different name.

root@Celerway000d50010f28:~# cat /proc/cpuinfo
system type             : MediaTek MT7620A ver:2 eco:6
machine                 : Sanlinking Technologies D240

https://openwrt.org/toh/hwdata/sanlinking/sanlinking_d240

Same as ZBT WE-826
Flash sucsess with https://downloads.openwrt.org/releases/22.03.2/targets/ramips/mt7620/openwrt-22.03.2-ramips-mt7620-zbtlink_zbt-we826-16m-squashfs-sysupgrade.bin

Set computer ip to 192.168.1.2 255.255.255.0
Hold in reset button while power up (ca 15 sec), then enter Http://192.168.1.1 for upload firmware and flash.

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