I updated my firmware for the first time last month and it was also a first time for me. The first place to start is to run an RTM process (Read The Manual). There are a lot of settings that you may not want to change until you understand them, but start with the dd-wrt wiki here
Also, I searched on some youtube videos for dd-wrt setup as well. You certainly will be learning a lot more than you thought if you just kept the manufactuer's firmware, so enjoy.
Regards,
gw773606
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I updated my firmware for the first time last month and it was also a first time for me. The first place to start is to run an RTM process (Read The Manual). There are a lot of settings that you may not want to change until you understand them, but start with the dd-wrt wiki here
https://www.dd-wrt.com/wiki/index.php/Main_Page
Also, I searched on some youtube videos for dd-wrt setup as well. You certainly will be learning a lot more than you thought if you just kept the manufactuer's firmware, so enjoy.
Regards,
gw773606