I contacted T-Mobile and was told to change the settings to 4LTE rather than 5G and the lagging has almost completely stopped, only one occasion so far since I changed it. I don't understand why, if 5G isn't available, (as I was assured prior to buying the phone) the phone wouldn't automatically change it itself to 4LTE. I was also told there reason the battery doesn't last long was because it's got "so many features" and it's got a "huge computer inside", it uses more battery than most phones. All I can say, if you want to design a phone with "so many features" and "a huge computer", make sure the battery can handle it too. It's like designing a car that's so big, it weighs more than the motor can move. Try switching it to the 4LTE ans see if that helps. Kind of defeats the purpose of buying a 5G phone, which I was assured would work fine in my area. I am disabled and almost exclusively inside my home while using my phone, I was also told by T-Mobile that "5G had trouble penetrating into a home", again it defeats the purpose of spending that extra money for a 5G phone. This told I was told that it will take time for 5G to become strong enough to "penetrate into a home". I wish I would have saved the extra money and went with the less expensive Note10 Plus without the 5G, I can't use the feature always.
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I am having the same problems! I've only had this phone 3 days and I am so disappointed! It lags, it freezes up, and it constantly loses the Internet connection and flags that it has no Internet connection and that I should go to settings to connect to the Internet, when it's already connected. It's difficult to highlight to copy text, it's just a really disappointing purchase! I am going to contact he mobile today about the turning this phone and getting something that actually works. I think Samsung got a little ahead of themselves with this one. I also cannot get the split screen to work well, it's very difficult to use this phone for everyday applications and business needs!!
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