Question Frequency Bands of S21U (SM-G998U1) vs iPhone 12PM - Samsung Galaxy S21 Ultra

Apple iPhone 12 Pro Max 5G A2411 Global Dual SIM TD-LTE 512GB (Apple iPhone 13,4) vs. Samsung SM-G998U1 Galaxy S21 Ultra 5G UW Dual SIM TD-LTE US 256GB (Samsung Unbound O3) Frequency Band Comparison
Samsung SM-G998U1 Galaxy S21 Ultra 5G UW Dual SIM TD-LTE US 256GB (Samsung Unbound O3) - Frequency Bands and Network Compatibility
Will Samsung Galaxy S21 Ultra work in USA?
Will Apple iPhone 12 Pro Max work in USA?
Samsung Galaxy S21 Ultra Model Number SM-G998* Differences - TechWalls
iPhone - Supported 5G and LTE networks - Apple New Tab
Can anyone please tell me about the practical consequences involved here?
My friend insists that the iPhone is better for travel because of the compatible bands.
And, doesn't the S21U just have a newer version of the same modem that's inside the iPhone 12PM? Shouldn't this mean that they cover nearly all the same bands?
I hate that Samsung doesn't seem to have an official page with their bands listed, like they should!

Related

S10 5G not carrier unlock-ible?

Hi guys. I was reading news of Qualcomm announcing X55 5G modem which is the follow up model to S10 5G’s X50 modem and one of the advantage was the new X55 isn’t carrier specific. From my limited understanding it seems X50 will only work on the carrier the phone is sold for and I assume limited to 4G LTE if roaming/unlocked. Does this mean the Verizon S10 5G available later this month can only get 5G on Verizon and the South Korean 5G model won’t work in the US?
Also, there is a Department of Defense paper last month on 5G race and it mentioned China is pushing the world to adapt 6GHz 5G standards while the US is pushing mmWAVE because 6GHz spectrums are allocated to the military in the US. It states most countries will adapt China’s standard as most countries have 6GHz free. I don’t know the advantage/disadvantage of 6GHz vs mmWAVE but does it means US 5G phones and carriers are incompatible with international 5G phones and carriers?
Sorry for the long questions. Thinking I should ask the experts here. Want to get a Verizon S10 5G to use on Sprint later this year.
It's my understanding that they will be carrier locked. AT&T, Verizon, and T-Mobile are all using some different bands in their 5G phones.
hello
according spécifications
G977N : 5G
Bit78 TDD 3.5Ghz ( 5g NR)
Bit257 26Ghz ( 5g NR)
G977U 5G :
bit71 600Mhz ( 5g NR)
Bit260 39Ghz ( 5g NR)
Bit261 28Ghz ( 5g NR)
NR = New Radio
regards

Question what CPU does the unlocked s21 ultra run in the US? is it exynos?

if so how do they compare, performance wise, and rom/mod/root etc wise?
all US models should have to the Qualcom 888 whether they are the carrier or US unlocked version.
Samsung has announced the Exynos 2100, the mobile processor that's expected to power its upcoming Galaxy S21 flagship across much of the world outside the US

Question 998B

Hello a galaxy s21 998B works in us?
How is the data speed and 5G works.
Thanks
kasey348 said:
Hello a galaxy s21 998B works in us?
How is the data speed and 5G works.
Thanks
Click to expand...
Click to collapse
For a S21 Exynos device to enable 5G capability in the US your service provider would not only need to transmit on bands N5, N41 or N66, it would also have to be anchored to the carrier's 4G pipe. In addition to this the firmware would need to align with carrier specific configurations. I haven't read of any Global Market devices utilizing 5G in the US. You will be able to make calls but that's about it. If Call Features or 5G are a priority it's always best to aquire your service provider's device
Will Samsung Galaxy S21 Ultra work in USA?
In this page we are going to show you the compatibility of Samsung Galaxy S21 Ultra with the mobile networks of USA and with the telephony operators that provide service in USA.
www.kimovil.com

Question Canadian S21 ultra, in the UK (SIGNAL ISSUES)

So I got a s21 ultra imported from Canada for the Snapdragon processor - it has a few issues , eg it has Canadian Samsung pay which means I can't get the samsung card and the health app is Canadian and won't sync with my UK watches metrics for blood pressure etc because they are FDA cleared in Canada, but the one issue that seems to bug me the most is that the 5g and 4g bands in Canada are different to the UK, so the outdoor speed/signal is significantly worse than it was on my old OnePlus 6T - does anyone know if there are any solutions to this?
You could use ODIN to flash the U1 series software on (US Carrier unlocked); that would help for 4G possible but 5G, you are SOL (until Samsung makes a phone with all the 5G frequencies.. s22 ultra I hope).
I have the W series here in Canada but run the U (Carrier) sometimes and the U1 (Unlocked) 99% of the time.

Question SM-G998B Galaxy S21 Ultra 5G Global: supported SA & NSA bands

Hi guys,
I've got a SM-G998B/DS Galaxy S21 Ultra 5G Global and can't figure out why the only supported 5G SA band is n78. According to https://cacombos.com/device/SM-G998B the list should include also 1, 3, 8, 28 and 41. Is this dependent on the FW?
Thanks!
413j4ndr0 said:
Hi guys,
I've got a SM-G998B/DS Galaxy S21 Ultra 5G Global and can't figure out why the only supported 5G SA band is n78. According to https://cacombos.com/device/SM-G998B the list should include also 1, 3, 8, 28 and 41. Is this dependent on the FW?
Thanks!
Click to expand...
Click to collapse
Will Samsung Galaxy S21 Ultra work in USA?
In this page we are going to show you the compatibility of Samsung Galaxy S21 Ultra with the mobile networks of USA and with the telephony operators that provide service in USA.
www.kimovil.com

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