I hope you have a good lawyer 
- I've already reported you.
my best advice would be to change your handle asap before github steps in and suspends your account or changes it to something random (best case).
sorry everyone else for out-of-topic !
but @pexcn I still believe you're missing the point - openwrt is a trademark and should be used in any form only after getting permission - let's see what others have to say about this - I'll stop here
Did you recover it after flashing wrong uboot? I did same thing and thinking about way to recover it as i stuck on sbl1 
Research on SPI-NOR and/or other unbrick possibilities
EDL
IPQ60xx and other Qualcomm SoC's boots to EDL/BootROM if selected boot medium doesn't have SBL1. This way it's possible to load firmware via USB using Qualcomm Sahara Protocol.
Unfortunately I wasn't able to find boot configuration resistor B27(yet). It should be somewhere in 010(2 in binary) resistor "group".
Other way of forcing boot into EDL could be disabling somehow NAND memory by cutting VCC and VSS lines or lifting Chip Enable leg and hope it will be detected after booting to U-Boot from EDL.
Last option I can think off is J26 Pin(FORCE_USB_BOOT) which possibly is under one of testpoints(it's usually used in phones for factory programming so that might be the case here aswell).
After finding way to boot to EDL we can use this method for unbricking units with broken u-boot/SBL1:
https://www.right.com.cn/forum/thread-8311176-1-1.html - Similar recovery method on Redmi AX5 JDCloud
Thanks to @janeblower for USB pinout and Xiaomi AX3600 and AC2100 community for idea.
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Hello again @proxer05. I was able to gain access to the router finally, sorry for the delay. I have to say THANK YOU A LOT because it worked!!! Thank you again!!! Now the router boots properly and I am able to configure it again through 192.168.31.1. I hope all of you have a merry Xmas and a happy new year!
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Hi, can you pls give instructions for get OpenWrt? It would be very appreciated!
It's not ready to be daily driven on 256mb units yet so I won't give details.
hi, @janeblower
I upgraded the ram of my device. Can we install the firmware of glint ax1800?
Anyone knows how to get the 40Mhz and 80 Mhz channels enabled on AX1800? tried changing the region and wifi region, all without success. Surprisingly when i choose EU, ES or DE I only get the following 5Ghz bands available: 36, 40, 44, 48. When changing to CN region the list is definitely bigger, but all 20Mhz bands.
Thanks
nope
I just bought an asus ax53-u
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I am not aware of any successful attempts to install their firmware on this device.
breeze made smth, u can try it
The breeze version is compatible with the RM1800 (AX1800 tower version) ?
Thanks.
it is better to ask him about it, or read the description of the repository.
Yes I will try to contact him. Thanks.
Xiaomi model apa nii bang,adkah ax1800
The preferred language in the OpenWrt forum is english.
When writing in your native language, please always provide an english translation.
This way other users all around the world can take part in the discussion and possibly benefit from the outcome, without having to use a translator.
Thanks!
Hello,
The device was working after the RAM replacement. After CDT installation, the device stuck in red light. I install the software with miwifitool, but the device does not turn on. Can u help me ?
Do you have uart adapter to grab boot logs?