xianz 发表于 2022-12-4 15:37

求助!jcg q20救砖失败!!

本帖最后由 xianz 于 2022-12-4 15:46 编辑


从原厂直接升级openWrt变砖了,通过教程用ttl刷了pb-boot(https://www.right.com.cn/forum/thread-7988605-1-1.html),又从pb-boot界面刷了openWrt(并且能访问到openWrt后台),结果为了重新安装其他固件,长按重置键、通电后,就成这样了:

...
...
[   30.014557] 8021q: adding VLAN 0 to HW filter on device wan
[   32.556227] mt7530 mdio-bus:1f lan2: Link is Up - 1Gbps/Full - flow control rx/tx
[   32.563806] br-lan: port 2(lan2) entered blocking state
[   32.569013] br-lan: port 2(lan2) entered forwarding state
[   32.576459] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready



BusyBox v1.35.0 (2022-10-14 22:44:41 UTC) built-in shell (ash)

_______                     ________      __
|       |.-----.-----.-----.||||.----.||_
|   -   ||_|-__|   ||||||   _||   _|
|_______||   __|_____|__|__||________||__||____|
          |__| W I R E L E S S   F R E E D O M
-----------------------------------------------------
OpenWrt 22.03.2, r19803-9a599fee93
-----------------------------------------------------
=== 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@OpenWrt:/#

路由器web后台访问不了了,DHCP出来的是169.254.183.164这种IP。。。
上面是TTL连接后显示的,并且通过ttl都已经无法进入固件和bootloader升级的菜单界面了

这是mtd信息:

root@OpenWrt:/# cat /proc/mtd
dev:    size   erasesizename
mtd0: 00080000 00020000 "Bootloader"
mtd1: 00040000 00020000 "Nvram"
mtd2: 00040000 00020000 "Bdata"
mtd3: 00080000 00020000 "Factory"
mtd4: 00040000 00020000 "crash"
mtd5: 00040000 00020000 "crash_log"
mtd6: 00400000 00020000 "kernel"
mtd7: 07980000 00020000 "ubi"
root@OpenWrt:/#



Majiejie 发表于 2022-12-6 21:40

楼主搞明白了吗?我这边移动充话费送一个路由器CMCC-A9,好像和Q20配置一样,能刷Q20的固件吗?

sendlan 发表于 2022-12-7 11:43

Majiejie 发表于 2022-12-6 21:40
楼主搞明白了吗?我这边移动充话费送一个路由器CMCC-A9,好像和Q20配置一样,能刷Q20的固件吗?

可以,马甲版而已

Majiejie 发表于 2022-12-8 14:32

楼主,小白问个问题,怎么查看mtd信息啊?用什么软件?
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