3g is digital its basically all or nothing, slow downs come from a towers bandwidth being over loaded. So likely slow 3g is from the telecoms reducing the bandwidth going to each tower, combined with the far more extreme internet usage requirements software nowadays. Every website is also far larger then they they were in 3g days, most designers don’t pay as much attention to mobile bandwidth like they used to.
To all 5G is slow folks need to know there are 3 types of 5G
Sub6=long distance but slow speed more like LTE or possibly slower usually given by just a 5G indicator on your phone
C-band=less distance but higher speed and will give a good boost over 4G. Usually gets an 5G+, 5GUC or 5GUW indicator on your phone
Millimeter wave= very short distance but very high speed usually about 1 to 3 gig per second. But the distance is just across a parking lot and can’t really penetrate buildings at all unless the antenna is inside like a sport stadium or convention center. Usually giving the same indicators as c-band on your phone.
Technically you’re partially correct. Providers never met the full IEEE spec capacity for their equipment throughput. I forget the exact numbers but say 4G was speed to provide 150mps without interference or what have you. Carriers never achieved that throughput. Instead capacity was limited to like 20 mbps. That’s sort of what 4G LTE was supposed to do-make up the difference. Now theres 5G, and it uses more communication bands, but those bands aren’t as reliable, and they’re still not maiking the IEEE throughput requirements
So there is kind of two things going on.
First 3G is not really ganna get better but worse, comoanies are focusing on investing in 4G and 5G. So you get both less towers and spectrum, potentially shrinking amounts. You also have more people using it then when it was new, basically like a new highway people haven’t started using yet to get to where they want to go, but as time goes on more people discover it saves them time and it gets slower due to traffic.
Second is 3G has a major downside compared to 4G and 5G that people will notice is latency. 4G is much faster at sending and receiving data, from the actual tower, making it just always feel snappier for short burst type traffic like web pages, and images on social media apps. So if your used to something like that the old stuff will just feel slow.
It’s happening again, too. I finally upgraded to a 5G phone in October, unfortunately not knowing there’s no 5G coverage in my area, and now my connection is total ass. I hit dead spots all over town where my old 4G phone never had a single problem. The phone is damn near useless if there’s not an open wifi I can connect to
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