Why Is ATT Internet Speed So Slow?
The most satisfying thing is when you get the full speed of your internet plan and you don’t have any complaints about your internet connection. It’s difficult to get all time same high speed on any internet so normal things to get slow internet speed in ATT internet, Xfinity, Spectrum, or any other.
There are a couple of users who are asking “why is att internet so slow over the ATT forum as well as different third-party technical forums? ATT try to provide the best internet service to their subscriber but sometimes due to any unknown error network error ATT internet is so slow and most internet user experience it and worry about if their ATT modem stop working or they need to replace it.
To get the answer to Why is ATT internet so slow? need to follow some troubleshooting steps that should execute step by step and understand the reason for slow ATT internet.
Possible Reason of ATT internet is so slow?
There are many reasons if your Att internet speed suddenly slows down and you not getting proper internet speed. To fix the slow internet problems first you have to understand internet speed is only slow on Wifi networks or also wired connections. Att internet is slow on Wifi Users might have wireless configuration or interference issues so have to confirm before starting troubleshooting steps.
Att Internet So Slow on Wired and Wireless?
To get the answer of Why AT&T Internet is so Slow? First, confirm whether ATT internet is so slow on Wired also or only wireless users. Connect your computer/Laptop using a LAN cable from the ATT modem and run the AT&T Speed test to confirm your internet plan speed coming or not wired.
To Fix slow internet speed in ATT Modem and router first check internet speed getting proper in Wired Lan cable from a PC or Laptop to ensure there is no backend speed issue.
If you getting slow speed in the Wired connection that means an internet issue either from the backend ISP side or your Modem outdated or loose connections. Follow the steps to fix AT&T’s slow internet on a Wired connection.
Check Wan Cable connection
Not getting full speed on Wired seems slow speed due to losing connection or backend ISP issue. Just remove the cable from the WAN socket from the router as well as the WALL socket for Cat6 and change the RJ45 connecter on both sides to avoid any rusty connection that might be dropping connection speed.
For Cox cable check Cox wall socket is properly plugged and the cable does not damage or bend.
Check Internet Speed restricted from ATT after cross data limit
If you have subscribed to a data limit plan with a certain data limit and your internet speed will be down to half of the full speed. Make sure the data usage limit does not cross the limit so your internet speed dropped to half or as per the ATT internet plan speed limit that you suddenly feel ATT internet so slow.
If your data limit usage cross that can restore by adding some data add one pack to restore full internet speed again. If you have an unlimited data internet plan and still facing slow speed then follow the next steps to fix it.
The router firmware is not updated to the latest version
Using an older firmware version also causes slow internet speed due to buggy firmware. To keep router performance and high-speed internet experience it is necessary to keep updated latest firmware version to fix any bugs that reported speed and other internet issues.
Keep enabling firmware auto update and fixing WiFi and internet issues. If your ATT router not updating automatically then use a manual firmware upgrade to test speed again.
Slow Internet speed Reported from ATT Side
Internet speed can affect by backend problems that happened due to any upgradation or network work at the Service prover side.
Contact to ATT support center to confirm the Internet speed issue reported at your location and if it coming from the back end. You can also contact your neighbor or any user in your area those are using an ATT internet connection to confirm internet speed affecting everyone in your location.
ATT Internet Speed Slow on WiFi
If you’re not facing any speed issues in wired but at&t wifi is slow and the wifi user not getting proper speed seems there is some miss-configuration or channel interface that drops the Wifi speed.
You can also increase the Wireless channel width and change the WIFI channel to avoid dropping due to Wireless interference.
- Login to the ATT router first.
- Go to Wireless settings.
- Change Channel Width- 20/40 for 2.4Ghz and for 5ghz 20/40/80 if your router support 11ac.
Save settings and test att speed again to confirm if the speed issue got fixed.
Also, you can use a Wi-Fi analyzer to confirm which Wi-Fi channel not running in your area to fix the Wireless interference problem.
Factory Reset ATT Modem/Router
The final step to fix bugs and clear long-running cache and logs into the router is making a full factory reset.
Login to AT&T router and download the configuration backup file first.
Use the reset button to factory reset to restore the configuration to default mode.
Login again and restore the configuration file settings saved.
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