Motorola WR850G

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Revision as of 22:09, 18 February 2006 by 209.66.124.150 (Talk)
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Normal Method

Flashing the Motorola WR850G is a multi-step process to get to the full version or a single step if the mini firmware's options are sufficient. Remember to use a wired (ethernet) connection when flashing firmware.

In the original configuration by Motorola, the MAC address information for the Motorola WR850G is not stored in the same manner as the other routers, so a special "mini" version is necessary to convert the router to work with the full version of DD-WRT. This mini version has many of the features of the full version and may be sufficient for most users.

This method worked from Motorola firmware version 6.14. It is recommended you upgrade your Motorola firmware to this version prior to starting.

First, download the motorola-specific firmware from DD-WRT. The Motorola specific router is dd-wrt.v23_mini_moto.bin

Second, if you want the full version or a specialized full version of the firmware (optional), download the generic version of the full version from DD-WRT. You can download the zip file (which contains more files than you require), or you can download the generic one from the Standard, VoIP, or VPN client directories.

Once you have downloaded the files (and unzipped, if necessary), log onto the Motorola router's homepage. By default, the router's homepage is 192.168.10.1. The default username and password are "admin" and "motorola", respectively.

On the firmware upgrade page (the last tab), upload the motorola-specific mini firmware. This will take several minutes to transfer the file and then several more minutes until the router reboots completely.

Once complete, the router should be operating like a Linksys WRT54G. The unit should still have the IP of 192.168.10.1 (or whatever it was set to before the upgrade, this setting does not seem to be cleared by the upgrade).

The password for your router is now "admin" (the username field is ignored).
NOTE: If you had previously changed the password on your router you may need to use that password, in my case it was not reset by the upgrade.

You should reset the router to factory defaults before proceeding to use the router. In my case it seemed to turn off the firewall and other oddities. I believe this will change the IP address of the router back to 192.168.1.1 and restore the password to "admin".

If you desire to upgrade to one of the full versions, you can upgrade the firmware just like a Linksys WRT54G except that you want to use the generic version (which you happened already to download above...).