I got a bunch of dumps right here, because I flashed 20+ devices this way. So it should be no problem, to send you one of them.
But the problem could be, that the mac-address of your device would change to that one in the dump.
Also I don´t know, if there is some kind of device-specific calibration data in the dump of if calibration processes are done while booting the device (I think I read something about calibration in the console while the device was booting...).
Can you upload a dump somewhere please? or even better, two or three dumps, so we can compare them and check what you are saying about the mac address.
The snapshot image is daily built from the latest code, so it is the newest out there. For a stable version you will need to wait for the next OpenWrt release
Very strange .... again.
It's not working for me.
Yes, I get root access
Yes, I can overwrite OS1
But: after rebooting, the router changed it's MAC address (only the last digit differs from the previous MAC)
I can ping, but there are no open ports (checked with nmap) and also there is no wifi.
I had to bootp and flash 2.28.62 image with chinese UI.
Fortunately I made a backup of OS1- and overlay-partitions, so I was able to restore it to 2.28.132 with english UI.
I tried several things, including factory reset before flashing openwrt, but always the same. The router comes up with a different MAC and not access at all.
Hello,
it is also possible to directly install the openwrt image to the flash image.
Readout the image from flash with:
ch341prog -r readout_image_from_mir3gv2.img
Install OpenWRT with dd on the image:
dd if=openwrt-ramips-mt7621-xiaomi_mir3g-v2-squashfs-sysupgrade.bin of=readout_image_from_mir3gv2.img conv=notrunc bs=1 seek=1572864
Erase flash with:
ch341prog -e
And write the modified image back:
ch341prog -w readout_image_from_mir3gv2.img
That sounds great for me !!!
So I could save a lot of time, because until now I was dumping with flashrom, enabling bootmenu-delay within the dump, reflashed the patched dump, tftp-booted OpenWrt and then did the sysupgrade.
Could you tell me how you found out the right start-position (seek=1572864)?