Develop Bugs

Internet network symbols on notification bar

Hello, i need help.
I have a Galaxy S9, SM-G960U1 that i bought directly to Samsung US fully unlocked.
I want to know if the S9 should show another network symbol other than 3G, H+, and LTE.
I had before the S8 and when I connected to the bands 700 mhz and 2600 mhz it showed 4G+
Hope someone can clarify me that
Thanks.

I think is firmware related. My S9 is displaying 4G/4G+ in the notification bar.
Sent from my SM-G960F using Tapatalk

My unlocked s9 will show lte+ occasionally on tmobile

I have an unlocked S9 using EE SIM in UK and I have 4G+ showing

Do I have 5g (USA)?

Was looking at this site, and it looks like none of carriers in the US have the 5g band this phone supports. Am I correct? Why is it called 5g? Why do I have a 5g icon in the status bar near the signal..
https://www.kimovil.com/en/frequency-checker/US/nubia-red-magic-5g

ctakah27 said:
Was looking at this site, and it looks like none of carriers in the US have the 5g band this phone supports. Am I correct? Why is it called 5g? Why do I have a 5g icon in the status bar near the signal..
https://www.kimovil.com/en/frequency-checker/US/nubia-red-magic-5g
Click to expand...
Click to collapse
The 5g icon is fake. If you have sprint, it will work on sprint band 41 5g. Tmo, will be using that band eventually too.

I think this device doesn't work with Sprint 5G because this device doesn't support 4G anchor band used in USA. Only good way confirm this is via UE Capability Information message, but there is no non-root method available for your device.

S20+ 5G SM-G986B/DS cannot pick up 5G signal in China

Not sure if anyone experienced this. I bought my S20+ 5G in Sweden (SM-G986B/DS). Recently I'm traveling in China and I noticed that, even there's 5G coverage and i have a sim card which support 5G and i have turned the 5G switch on. I still cannot get 5G signal on my mobile.
I did some search and my carrier is using N78 and SM-G986B/DS supports N1 (2100), N3 (1800), N5 (850), N7 (2600), N8 (900), N28 (700) N40 (2300), N77 (3700), N78 (3500)....So there should not be a problem for my mobile to pick up the signal.
However, a S20+ China/HK version (supports 5G bands N41(2500),N78(3500),N79(4500)) can pick up the 5G signal with same sim card.
So i start suspecting actually there's a lock which preventing my mobile to pick up 5G signal. I read some report that some China version of 5G mobile, such as 1+8 china version or Xiaomi 10, also cannot pick up 5g signal in Europe, even they share the same band...
And that's really getting annoying... Is there a lock? It's a hardware lock or software lock?

In Samsung phone there is Carrier Policy limit bands, features etc per carrier like other devices. I have instruction how you could check supported bands, carrier aggregation and 5G support connected-network with Samsung devices: https://mt-tech.fi/en/how-to-get-4g...ions-from-your-android-phone/#Samsung_Devices . Without modem log hard to say.
S20+ China/HK-version: https://cacombos.com/device?model=SM-G9860 works at least in China Mobile 5G-network.

Based on your observation of the carrier bands, I'd say the mobile providers in China are using using either N41(2500) or N79(4500) for 5G. Checking the list of bands used by country on Wiki, China Mobile is using n41 (and maybe n79 as well), China Telecom is using N78 and China Unicom is also using N78.
Which mobile company are you using?

Sleepycat3 said:
Based on your observation of the carrier bands, I'd say the mobile providers in China are using using either N41(2500) or N79(4500) for 5G. Checking the list of bands used by country on Wiki, China Mobile is using n41 (and maybe n79 as well), China Telecom is using N78 and China Unicom is also using N78.
Which mobile company are you using?
Click to expand...
Click to collapse
It's China Unicom and it's N78. According to the Samsung website, N78 is supported by SM-G986B as well. That's why i'm confused.

olkitu said:
In Samsung phone there is Carrier Policy limit bands, features etc per carrier like other devices. I have instruction how you could check supported bands, carrier aggregation and 5G support connected-network with Samsung devices: https://mt-tech.fi/en/how-to-get-4g...ions-from-your-android-phone/#Samsung_Devices . Without modem log hard to say.
S20+ China/HK-version: https://cacombos.com/device?model=SM-G9860 works at least in China Mobile 5G-network.
Click to expand...
Click to collapse
Thanks, will try to have a look. and it sounds like even the mobile supports the bands but it's still cannot pick up the signal because the carrier is limited?

chya83 said:
Thanks, will try to have a look. and it sounds like even the mobile supports the bands but it's still cannot pick up the signal because the carrier is limited?
Click to expand...
Click to collapse
This could be possible situation. If you like to get modem log from your device there can see if it support 5G in used network. That is only way. Here is instruction: https://mt-tech.fi/en/how-to-get-4g...tions-from-your-android-phone/#Exynos_devices .

Do Factory Unlocked Models Show 5G or LTE+ on Sub 6 Networks?

I have the Samsung Factory Unlocked version of the S20+ (model SG-M986U1).* This means the phone is not carrier-specific, it works on all carriers (CDMA, GSM) and supports both millimeter wave (Verizon 5G Ultra Wide UW) AND lower frequency band 5G (usually called Sub 6).* The 5G UW super fast network is typically only available in highly populated areas (cities) because it that frequency signal doesn't travel very far and is easily blocked by buildings.* However you will notce the Verizon 5G coverage map shows 5G as being pretty widespread across the country.* Most of that is their Sub 6 5G Network which was launched in mid October 2020.* The 5G Sub 6 network, to my understanding, is using some of the same frequency bands as 4G so essentially it's really an amped up 4G signal using what is called Dynamic Signal Sharing (DSS)*(A lot of people don't understand all this.)*
I'm curious if there's anyone on the forums with a factory unlocked version of the S20 (typically the model number I think has a U at the end instead of VZW) can confirm if their phone shows a 5G icon when you are in sub 6 5G or does it show "LTE+"* I read somewhere the unlocked phones show LTE+ because technically that is what Sub 6 band 5G using DSS really is and 5G in that case is more of a marketing term.* Because different carriers use different terms for different networks, the factory unlocked phones can connect to all the different 5G networks but they can't accomodate all the different marketing terms.* I'd also be curious if when connected to the millimeter wave 5G in the cities if these factory unlocked phones show the "UW" designation which is bascially a Verizon marketing term, or if the phone just shows "5G".
There was also an article that talked about these phones needing a software update to use 5G and supposedly the updates were pushed out right after Verizon announced their Sub 6 5G network launch in mid October. But the author wasn't sure if the Factory Unlocked non-carrier specific models would receive the necessary update. Considering Verizon and Samsung just signed a 6.5 Billion Dollar agreement for SAMSUNG to further build out their 5G network, I would be very surprised if it were the case the factory unlocked models didn't get the update.
My S20+ model SG-M986U1 is showing Service Provider SW Ver. SAOMC_SM-G986U1_OYN-VZQ_QQ_0027 wondering if that's the 5G compatible version?
The other thing is a lot of people just swap SIM cards when they get a new phone. With 5G in most cases, if your SIM card was issued may months ago, you need to go into the carrier store and have them give you a new 5G compatible SIM card. I honestly can't remember if my phone was showing LTE or LTE+ before and after SIM card change. I tested the bandwidth after the change and in a strong signal area got 60mbit download but I didn't have a pre-SIM swap test in that area to compare to unfortunately.

Well I feel like I'm going in circles but now found a Reddit thread that confirms what I originally suspected.
The Factory Unlocked (model ending in U1) S20 phones apparently have not got the update from Samsung yet to allow sub 6 5G connection. But there is a hack in that you can change the carrier network code to ATT even though you are on Verizon and it enabled the N5 band which is what Verizon uses for their "Nationwide 5G" To do this you dial *#272*your IMEI number# Then select ATT and Install and change network code only. Phone will reboot and now you will see 5G UW symbol.
I tried the CSC change on my factory unlocked S20+. I ran three successive bandwidth tests on bandwidthplace.com before and after the change so 3 times on VZW and 3 times on ATT. As others have alluded to the LTE DSS Sub 6 Flavor of Verizon 5G is on average about the same speed as 4G LTE+. So I just turned it back to VZW and will wait for the update from Samsung. I'm surprised a month and a half later it still hasn't got the update to allow N5 band on Verizon.
I'm also wondering is the S20 always show 5G UW when connected to any 5G including sub 6 5G and not actual millimeter wave ultra wide 5G? Or is that just a side effect of "spoofing" the ATT carrier code when actually on a Verizon network IMEI?

Hello Jazee, this is my first response to anyone on xda, and I know that by now you probably have your answer I notice this is an old post. I have an unlocked Samsung s20 5g. And depending on where I am, it says 4g let, and when I'm closer to the city, or hold my leg right(I live in the country), my phone shows 5g. It's shown lte+ before. I think it depends on your carrier. Some I've noticed share 4 and 5g lte simultaneously depending on the current speed. As you mentioned earlier, 5g signal doesn't put up a big fight when it sees a tree or building. Anyways, that's my 2 bits worth, hope this helped. BTW, lte+, when I get that, it is pitiful. Nothing like either 4g lte or 5g lte.

Can't list ant 5G mobile carrier

I'm start thinking my on board 5G modem is not propelly working as I have never connected to any 5G spot .
Of corse I have installed a 5G SIM and the carrier give me a 5G connection but no way to make It connected to a 5G network . The strange thing is that I didnt have any 5G network listed (if I try manually to force the device to find any networks available). I did this test in the center of many big italian cities but I got the same result: only 4G+ or 4G networks were listed.
I have tapped the 5G prefferred network
I did a recovery
I have the last original Rom installed.
Is there any sw to detect if the onboard modem is working propelly ?
Thank you in Advance for your cooperation.
BR
Joe

Check what band use your 5g network, n77 or.. I can't remember...
Then check if your phone support that band... There is a difference between Chinese network or Europe..
Check out this thread, it's for Poco but the same point
Poco F2 Pro only support N77 and N78 5G
For Europe in future you need N1 and N28, without that you only get 5G in hotspots. So if you from Europe and care about 5G it is a bad idea to get a Poco F2 Pro. Source: https://www.poco.net/de/poco-f2-pro/specs_m/
forum.xda-developers.com

tze_vitamin said:
Check what band use your 5g network, n77 or.. I can't remember...
Then check if your phone support that band... There is a difference between Chinese network or Europe..
Check out this thread, it's for Poco but the same point
Poco F2 Pro only support N77 and N78 5G
For Europe in future you need N1 and N28, without that you only get 5G in hotspots. So if you from Europe and care about 5G it is a bad idea to get a Poco F2 Pro. Source: https://www.poco.net/de/poco-f2-pro/specs_m/
forum.xda-developers.com
Click to expand...
Click to collapse
Thank you so much for the clarifications.
BR
Joe

I have had 5g on the three network in the UK only big city's on bad signal get about 200mb and on full 320mb