Update Firmware on Linksys Wireless N Router? (WRT150N)

I have noticed there is a newer version of the firmware for my router. Is it necessary to upgrade to the newest firmware? If for some reason it does not work correctly is it easy to reset the modem to the original firmware? If I install it will it erase my current wpa2 pass key?
It is recommended that I update the firmware or should I leave it as it is? Any advice would be appreciated. Thanks
Message Edited by Deluxe8520 on 06-26-2007 11:24 AM

The only times that you need to upgrade firmware is:
1) when a router security issue is fixed, or
2) when a new feature it added to the router that you want to use, or
3) when router is not working, and all other attempts to fix it have failed
So, if your router is working properly, and there are no security fixes, and nothing new in the firmware that you need, then you do not need to upgrade the firmware, and you probably should not do it.
I always look at the firmware "version info" to determine if I want to upgrade to a new firmware. I looked at the info for the WRT150N, and I don't see any security fixes, or new features, so that only leaves item 3 as a possible reason to upgrade.
After a firmware upgrade, you must reset the router to factory defaults. Doing this will wipe out your WPA2 key, and all other settings. After a firmware upgrade and reset to factory defaults, you should set the router up again from scratch. If you saved a router configuration file, DO NOT use it.
You can return to an earlier firmware, using the same procedure as a firmware upgrade, but to do it, you must have a copy of that firmware on your computer. The router's copy of that old firmware will be wiped out when you upgrade, so you cannot depend on the router to keep a copy of the old firmware.

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Update Firmware on Linksys Wireless N Router? (WRT150N)

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