Maybe, after installing DD-WRT on your Linksys WRT1900ACS router you realise that it is non for you or maybe you desire to try a different router firmware such equally OpenWrt or Tomato, then yous want to restore the original Linksys firmware on your router. Here's how you can do it.

DISCLAIMER: Be aware that there is a potential risk of bricking your router while installing a non official firmware. Do it at your own risk. You presume all responsibility for anything you practice and I will have no responsibility for anything that should get incorrect while following this guide, such as bricking your router.

Stride i: Download everything you demand

This is kind of obvious, simply of import. Yous should download all firmware files needed in this process earlier you start because you won't take Internet access during function of the process.

DD-WRT to factory firmware

Download the regression firmware for your router from https://source.wifihell.com/iii-DD-WRT-KONG/K3-Air-conditioning-MVEBU/LinksysFW/, in my case WRT1900ACS_ddwrt-to-factory.img.bin

Linksys firmware

Download the latest firmware for your router from Linksys website. Call back to cull the correct firmware for your router version. The hardware version is located beside or beneath the model number and is labeled version, ver. or V. If there is no version number beside the model number on your Linksys product, the device is version ane. If you lot still have trouble finding your version number, see the complete commodity at Linksys Official Support site to learn more.

Step 2: Flash from DD-WRT to the factory firmware

At present connect your computer to the router using an ethernet cable and log in to your DD-WRT admin folio (http://192.168.one.1). Then navigate to 'Administration > Firmware Upgrade' and select the DD-WRT to factory firmware file we downloaded earlier (' WRT1900ACS_ddwrt-to-factory.img.bin ') and click on the 'Upgrade' button.

Look for the router to flash the firmware and reboot itself.

Step 3: Update Linksys firmware

Disconnect the Internet cablevision

Earlier updating the Linksys firmware I like to disconnect the router from the Internet to avert some issues I had in the past.

Update Router Firmware

Enter the Linksys admin page (http://192.168.1.i) with the default admin password (' admin ').

Navigate to the Connectivity section and locate the Router Firmware Update department on the right hand side.

Click on the Choose File button in the Manual section, select the firmware image that you downloaded from the linksys site earlier (' FW_WRT1900ACS_1.0.three.187766_prod.img ') and then striking Start.

Wait until the firmware installation is consummate.

Mill Reset

With your router connecter to power and turned on, press and agree the Reset button on the back of your router for 10 seconds until the ability indicator flashes.

Router Setup

Await a couple of minutes until the power indicator stops flashing to start the 'Linksys Smart Wi-Fi Setup' (http://192.168.ane.1) then click on 'Transmission configuration' to first the configuration of your Linksys WRT1900ACS Router with the latest stock firmware.

Some handy links

Kong ddwrt to factory firmwares
Linksys WRT1900ACS Downloads
dd-wrt forum: WRT1900ACS V2 Kong's reflash firm to restore Linksys firmwar