My kindle wi-fi keeps kicking out. I have G3 and never had to put in a specific wi-fi source. Now it continually asks me to connect, and won't even accept a proper on our home wi-fi router.

If your Kindle Won't Connect to Wi-fi and you are unable to fix the issue after trying by yourself, don't worry. Contact Kindle support number and get a solution to your Kindle problems.

There might be the ip conflict with your wifi device. Just Reset you wifi and your Kindle Device as well. This may be work for you You can ask for the help from Kindle Support Kindle Technical Support Registration 877 690 9305

My monther's issue was because her ISP's (Bell) router, home hub 3000, comes default with the 2.4G and 5G SSID named the same with the same password. So her 2.4G was on a Band that was super weak, like 30%, but her 5G was at 90%. This was causing her wifi connections to use 5G as it was more available. Problem with the kindle is that it is limited to use the 1 - 11 channels / 2.4G only. I resolved this by going to the routers config (192.168.2.1) and changing the SSID from Bell553 to Foxtrot. Then i changed the 5G SSID to Foxtrox-5G and made different passwords for both. Rebooted the router and the kindle was able to connect to the 2.4G network.

Your kindle has a sim card installed for 3G (lifetime licence paid by amazon and paid for on purchase price on the unit) but that is not related to the wi-fi function on your kindle. Your wi-fi service needs to be logged in to with the same password as you use to log any computer on to your router when at home or whatever wi-fi password is required when elsewhere (e.g a bus, train or restaurant).