Summary: Upgraded to Note 20 Ultra. Previous plan was 4G, upgraded to 5G, noticed a significant decrease in download speeds. Did some research online, found out the S20 has an option to turn off 5G, the Note 20 Ultra doesn't? ATT reps weren't able to revert my plan, neither was I online. Was told from corporate to go into store and ask for a 4G SIM card. ATT stated at store all cards are 5G enabled getting ready for 5G service. I'm already on 5G service, its super slow and this $1,300 phone doesn't give me the option to disable 5G but did on the S20?! Disappointing.
Solved! Go to Solution.
You need to creat a new APN, Look at my post, starts with FIX . Your phone is trying to connect to 5G but there are no 5G cell tower in your area, just 5Ge (aka LTE).
Are you saying that you previously were using a unlocked S20 Ultra 5G on AT&T with just a 4G/LTE plan. Currently upgraded both your device to a unlocked Note20 Ultra 5G and your plan to a 5G plan? You are getting significantly slower LTE speeds on your Note20 then you were getting on your S20? Or are you saying that your 5G speeds are slower then what you were getting on 4GLTE? If the last question seems to be accurate to your situation then I could agree that I myself, on AT&T have been getting more constantly faster LTE speeds on my S20 Ultra 5G then I do when I am in a 5G area. Tho I can get over 300mbps on 5G, that is a rarity and my 5G speeds are more in the lower 100s and even between 50-100. I can reassure you tho the sim card does not matter when it comes to 5G. The sim card only receives data from the network (AT&T) and provisions its features depending on your plan of choice. If you do not want to recieve 5G service you will have to go back to the 4GLTE plan to restrict 5G access. This is not something Samsung has control over when you are on the carrier's network your device, no matter what who manufacturers it will have to comply with its features & restrictions. This is how carriers try to get customers to buy their carrier branded devices. As a AT&T Business customer I have the myAT&T app and I full access to my CRU account to change my plan, features, or device at any moment I wish to. If you are using a Unlocked device you will have to download the myAT&T app from the Google Play Store. I wish you the best with your situation and hope things work out for you!
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