The software will be fixed up when the Laptop or computer starts controlling the bugs, so is the same case with your Linksys re6700 setup, it needs to be updated. However you can easily update the extender, but what if it is still showing you setup errors? The problem is not that big but it could be because there might be a lack of knowledge regarding the setup. Instead of making a map in your brain, you can follow the steps. Though It is also not a time-consuming process. You just have to open the browser on your Laptop or Computer and then type the IP address of your Linksys extender. Following the same find the update button. This one could be the best way to help in logging the portal firsthand. For sure your firmware will fix up. Just give it some time.