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Galaxy S20 Series Discussion


mdob07

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I got the S20 FE about a week ago. Couldn't activate it with either my Sprint SIM or the T-Mobile SIM that shipped with the phone. Took it to the local store, they finally got it to activate with the third SIM they tried. Don't know what was up with that, but I'm now on Tmo.

All things considered, I'm pretty happy. Signal strength is comparable to what I had with my LG V30+, and throughput seems faster. I do notice the phone switches bands pretty frequently. Not sure why that is, as signal strength doesn't seem borderline most of the time.

I don't know very much about the various T-Mobile bands. I've seen references to a Samsung Band Selector app, but I don't really want to mess around with that until I learn more about the bands themselves. Does anybody have a link to a post/site with basic band information? I imagine there's plenty of info in the Signal Check thread, but that's a mighty big haystack to search for a needle ūüėÉ

Thanks,

Jim

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2 hours ago, jlbattagli said:

I got the S20 FE about a week ago. Couldn't activate it with either my Sprint SIM or the T-Mobile SIM that shipped with the phone. Took it to the local store, they finally got it to activate with the third SIM they tried. Don't know what was up with that, but I'm now on Tmo.

All things considered, I'm pretty happy. Signal strength is comparable to what I had with my LG V30+, and throughput seems faster. I do notice the phone switches bands pretty frequently. Not sure why that is, as signal strength doesn't seem borderline most of the time.

I don't know very much about the various T-Mobile bands. I've seen references to a Samsung Band Selector app, but I don't really want to mess around with that until I learn more about the bands themselves. Does anybody have a link to a post/site with basic band information? I imagine there's plenty of info in the Signal Check thread, but that's a mighty big haystack to search for a needle ūüėÉ

Thanks,

Jim

Have a couple posts that might help to at least get you started.

On 6/25/2021 at 2:53 PM, Dkoellerwx said:

Depends on if you are wanting to use T-Mobile or "Sprint" bands. 

B25 - PCS on Sprint. Most channels have been narrowed to 5Mhz.
B26 - SMR on Sprint. 5Mhz channel.

B2 - PCS on T-Mobile - channel widths vary from 5Mhz to 20Mhz. May have multiple channels.
B4/66 - AWS on T-Mobile - channel widths vary from 5Mhz to 20Mhz. May have multiple channels.
B12 - 700 on T-Mobile - usually a 5Mhz channel. Some areas may have 10Mhz. 
B71 - 600 on T-Mobile - Usually a 5Mhz channel. Some areas may have 10Mhz.

B41 - this is a little tricky. T-Mobile has 2x20 channels on most sites with n41. But Sprint B41 is still on air as well.

n71 - 5G on 600, channel width vary from 10 to 20Mhz.
n41 - 5G on 2500, channel widths vary from 40 to 100Mhz.
n66 - 5G on AWS, coming soon. A few select locations on air, but not sure on channel widths.
n25 - 5G on PCS, coming soon.
n260/261 - 5G on mmWave, very select deployment in a few large cities. Channel usually 100Mhz.

There are a couple more posts relating to the band selector following the post quoted below.

On 6/24/2021 at 7:32 PM, Dkoellerwx said:

When you open the app, select "Launch Band Selection." That will open a menu that likely looks familiar. Now, swipe from the left, or tap the menu bar at the top. Select "Band Selection" again. This will show you all of LTE and NR bands your phone is capable of receiving. Select the band(s) you want, then toggle "Selection" on the top right. Apologies if you already tried that, but it sounded like you only got to the first menu.

 

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