openwrt从17版本就改名叫LEDE了.

LEDE下载链接:
https://downloads.lede-project.org/releases/17.01.4/targets/mvebu/generic/lede-17.01.4-mvebu-linksys-wrt1900acs-squashfs-factory.img

openwrt最新版本:
https://archive.openwrt.org/chaos_calmer/15.05.1/mvebu/generic/openwrt-15.05.1-mvebu-armada-385-linksys-shelby-squashfs-factory.img

具体刷机过程.等我拿到机器开刷再写.

原厂固件下载:
https://www.linksys.com/us/support-article?articleNum=148550

https://portal.questforum.org/tl9000/public_profile.jsf?tlid=2207

上地:
Huawei Mansion, No.3, Shangdi Xinxi Road, Haidian District
Beijing, Beijing 100085
China

天安云谷:
Block A&B, Building 1, Phase 1 Tian An Cloud Park, No.2018 Xuegang Road, Bantian Subdistrict, Shenzhen, Guangdong, China

坂田基地:
Huawei Industrial Park, Bantian, Longgang District, Shenzhen, Guangdong, China

南京:
Huawei Base Nanjing R&D Center, No.101 Software Avenue, Yuhuatai District, Nanjing, Jiangsu, China

解锁:
关闭查找手机.
开发者模式->打开USB调试
开发者模式->打开OEM锁.
adb reboot bootloader
手机重启进入bootloader
fastboot flashing unlock
此时手机上用音量键,选择unloack the bootloader

https://www.youtube.com/watch?v=PeJVclG4CTQ 有个视频.

上锁:
关闭查找手机.
adb reboot bootloader
手机重启进入bootloader
fastboot oem lock
此时手机上用音量键,选择loack the bootloader
自动重启,done!

另外,刷机之后,开机的时候要连接Google服务,由于被墙,所以打不开.
可以在电脑上架个ss,开启"允许局域网连接".

https://developers.google.com/android/ota
如果只是想升级系统,不必要解开oemloack.只是usb debug就可以使用
adb sideload ota_file.zip