Database Develop

LTE+ In Mexico

well, here is the deal.
I bought my Note 8 in the USA (model N950U1) and I am using it in Mexico with Telcel and is working in LTE all the time but a friend of mine has the international version and he has 4G+ (LTE+) and I dont. I went to Canada last week and my network changed to Rogers and was able to use LTE+ the entire week, so I am guessing that it has to be the bands here in Mexico or something. Is there a way to change the CSC or the bands so I can use the LTE+? I have the snapdragon version.
thanks in advance

I have a 950F, bought from telcel, when using data a 4G icon appears not LTE, I have also VoLTE available, showing an icon when active, the icon (LTE or 4G) may be carrier defined

winol said:
I have a 950F, bought from telcel, when using data a 4G icon appears not LTE, I have also VoLTE available, showing an icon when active, the icon (LTE or 4G) may be carrier defined
Click to expand...
Click to collapse
I forgot to mention that, In USA and Canada the use LTE instead of 4G (is the same), so if you see 4G+ i the same as LTE+. Looks like they are more into letters than numbers.
So,are you on 4G+ or just 4G?

Telcel uses 4G+ or 4.5G, (LTE+) as they evolved from 4G (LTE) to handle VoLTE, so they say

winol said:
Telcel uses 4G+ or 4.5G, (LTE+) as they evolved from 4G (LTE) to handle VoLTE, so they say
Click to expand...
Click to collapse
Yes, like AT&T. But in your Note displays 4G or 4G+? I am i'm Telcel too

Just 4G

juliospinoza said:
well, here is the deal.
I bought my Note 8 in the USA (model N950U1) and I am using it in Mexico with Telcel and is working in LTE all the time but a friend of mine has the international version and he has 4G+ (LTE+) and I dont. I went to Canada last week and my network changed to Rogers and was able to use LTE+ the entire week, so I am guessing that it has to be the bands here in Mexico or something. Is there a way to change the CSC or the bands so I can use the LTE+? I have the snapdragon version.
thanks in advance
Click to expand...
Click to collapse
hi, i bought a Samsung s20+ Canadian, nd it shows LTE all the time , how can i enable LTE+ on it ???

FearLesS007 said:
hi, i bought a Samsung s20+ Canadian, nd it shows LTE all the time , how can i enable LTE+ on it ???
Click to expand...
Click to collapse
Dial
*#*#4636*#*#
In phone settings, set preferences networks, try different modes to get the strongest signal. You can see I am LTE+

juliospinoza said:
Dial
*#*#4636*#*#
In phone settings, set preferences networks, try different modes to get the strongest signal. You can see I am LTE+
Click to expand...
Click to collapse
bro no option for me ?? check ss nd help me to enable LTE+ plsssssss thanks in advance plssss I'm using in India, bought Canadian variant

carrier aggregation Samsung Galaxy S10+ F/FD models

anyone managed to get into and activate it
even with root, we can't use that menu
s10 exynos has crappy signals on t mobile
hoping i could change that

There is no way to change Samsung Exynos Carrier Aggregation. This is EU/Global model and i think it doesn't support CA with US Bands.
You can check supported bands and CA support when you collect log from your device: https://mt-tech.fi/en/how-to-get-4g-supported-ca-combinations-from-your-android-phone/ . Please share log to https://cacombos.com/contribute then could list bands and combinations supported in US:
I have already some listed here: https://cacombos.com/device?model=SM-G975F but could missing some.

TheUndertaker21 said:
anyone managed to get into and activate it
even with root, we can't use that menu
s10 exynos has crappy signals on t mobile
hoping i could change that
Click to expand...
Click to collapse
I have TMobile and have no signal issues. Even the US unlocked S10 doesn't support carrier aggregation, you'd have to buy the Tmo branded S10. I purposely went out of my way to get a G973F so I can have an unlocked bootloader and root. The only band missing from the G973F for Tmo is band 71 which is only a big deal if you live in rural areas. I'm in Massachusetts and there is no band 71 here at all. Considering the G973F has all the same bands as the G973U besides band 71 I doubt you would be getting any better signal with it unless you're in one of the few remote areas with band 71.

It mostly comes down to what your carrier provides in your area. For example where I am (Western NY) Verizon & AT&T I can get it however with TMobile I can't even get a 4g signal. I had an s9 (g960F) when I tested this and the same is showing for my s10e. I would strongly recommend trying AT&T.

is CA is working on snapdragon model

Question Can you enable carrier aggregation on HK S21 Ultra G9980?

Hello,
I live in the US but purchased the Hong Kong model S21 Ultra, model SM-G9980. This model is using the Snapdragon chip set, and supports dual physical SIM. It supports LTE bands 2,4,12 yet it has not been aggregating any of the LTE bands in areas which I know a US model would.
As far as I'm aware, there is no access to a hidden network menu that will allow you to toggle carrier aggregation options.
I wanted to attempt installing the T-Mobile USA CSC, but Sammobile doesn't have any US model S21 Ultra firmware yet.
Does anyone know of a way I can enable carrier aggregation?

Update: I found the T-Mobile S21 Ultra firmware. Using a cracked version of ODIN I tried to install just the HOME_CSC for the T-Mobile variant. It immediately failed and now my phone won't even allow me into download mode again without showing "error while downloading."
I was able to bypass that and this time I filled in all the Taiwan G9980 but used the US XAA Home_CSC. This appeared to be working until the very end of the installation process when it finally said FAIL!

Update 2: I downloaded the Taiwan version of the firmware. Still not aggregating LTE. I also have a feeling 5G is not working because the phone won't aggregate the LTE anchor associated with N41 5G in my area. Really hoping to figure this out sooner than later!

Update 3: On a forum discussing the G9880 found HERE someone noted that 5G only worked in the "SIM 2" slot on that model. I switched my SIM to SIM2 and now the 5G icon is appearing, although I have checked *#0011# and noticed that it does not show any NR band connected, only Band 2 LTE. Note the photo below...
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Samsung requires all binaries to match a signature for that specific firmware so you cannot flash US Home_CSC or other files on Taiwanese S21 even though it is Snapdragon.
So far only one person has figured out how to get CA and enable US bands on Asian Snapdragon model Galaxy series phone.
Their username is Mdyche82. Check their post here, sadly he lost the SSD before he could post a howto.
eSIM?
So, I've read in several places the US N20U has eSIM. I see the eSIM control app is in stalled. But that's all I see of it. Even an article here on XDA says all N20Us have eSIM except Japan, Korea and China. Can anyone confirm? And if so, how...
forum.xda-developers.com

VICosPhi said:
Samsung requires all binaries to match a signature for that specific firmware so you cannot flash US Home_CSC or other files on Taiwanese S21 even though it is Snapdragon.
So far only one person has figured out how to get CA and enable US bands on Asian Snapdragon model Galaxy series phone.
Their username is Mdyche82. Check their post here, sadly he lost the SSD before he could post a howto.
eSIM?
So, I've read in several places the US N20U has eSIM. I see the eSIM control app is in stalled. But that's all I see of it. Even an article here on XDA says all N20Us have eSIM except Japan, Korea and China. Can anyone confirm? And if so, how...
forum.xda-developers.com
Click to expand...
Click to collapse
Thank you!

Hi @teedawgg! I work with website called cacombos.com where I have listed over 300 different devices and supported Carrier Aggregation combinations. I don't have any details from your device yet (you can contribute log to cacombos.com/contribute if you like) but I think your device doesn't have US CA combinations defined to modem firmware. Even switching firmware's doesn't change hardware combinations.
Seems second SIM slot activate 5G-support but it requires your device support 5G combinations (EN_DC) and I think HK model doesn't.
But please share QMDL log from your device to cacombos.com/contribute so then we know more what combinations your device modem support. I don't recommend buy device from other regions because this could be issue. Free to browse other devices on my site to learn more about Carrier Aggregation and Dual Connectivity supports.

teedawgg said:
Hello,
I live in the US but purchased the Hong Kong model S21 Ultra, model SM-G9980. This model is using the Snapdragon chip set, and supports dual physical SIM. It supports LTE bands 2,4,12 yet it has not been aggregating any of the LTE bands in areas which I know a US model would.
As far as I'm aware, there is no access to a hidden network menu that will allow you to toggle carrier aggregation options.
I wanted to attempt installing the T-Mobile USA CSC, but Sammobile doesn't have any US model S21 Ultra firmware yet.
Does anyone know of a way I can enable carrier aggregation?
Click to expand...
Click to collapse
Hello ! I am in Canada and I am still not convinced if I change my device for this one. But if i take one is will be the same model like you the SM-G9980. Because you can have it cheaper than directly than the company with a dual sim , another big advantage is the unlocked bootloader.
So I know that this model is directly without doing anything compatible with the carriers from the USA and Canada too for the 3G and 4G. I know that 5G is not yet compatible with. I know that the 5g bands in canada is n66 (1700) i don't know which one is for USA?
I'm curious if you have found something that works for unlocking bands network? And also if you can flash a firmware from another country? With your message it does not seem like it is possible? and what does it really bring more finally to use the SIM2? And honestly I don't care about 5G, not a lot of zones available, consuming a lot on the battery and more.. the 4G is still a lot faster.. I'm just curious about this.

Where you able to load a US firmware?

teedawgg said:
Update 3: On a forum discussing the G9880 found HERE someone noted that 5G only worked in the "SIM 2" slot on that model. I switched my SIM to SIM2 and now the 5G icon is appearing, although I have checked *#0011# and noticed that it does not show any NR band connected, only Band 2 LTE. Note the photo below...
View attachment 5210087
Click to expand...
Click to collapse
Hi, bro have u enabled CA yet or not ??? Coz m having a same problem as in ur ss it's showing CA not config 0 0 , same problem with me how to enable this CA (carrier aggregation

olkitu said:
Hi @teedawgg! I work with website called cacombos.com where I have listed over 300 different devices and supported Carrier Aggregation combinations. I don't have any details from your device yet (you can contribute log to cacombos.com/contribute if you like) but I think your device doesn't have US CA combinations defined to modem firmware. Even switching firmware's doesn't change hardware combinations.
Seems second SIM slot activate 5G-support but it requires your device support 5G combinations (EN_DC) and I think HK model doesn't.
But please share QMDL log from your device to cacombos.com/contribute so then we know more what combinations your device modem support. I don't recommend buy device from other regions because this could be issue. Free to browse other devices on my site to learn more about Carrier Aggregation and Dual Connectivity supports.
Click to expand...
Click to collapse
Hello bro can u help to enable carrier aggregation I have a s20+ 5g Canadian G986W nd m using it in india , how to enable carrier aggregation plssss help else I have to sell this nd buy the new s20 fe 5g plssss pllsssss plsssss help

FearLesS007 said:
Hello bro can u help to enable carrier aggregation I have a s20+ 5g Canadian G986W nd m using it in india , how to enable carrier aggregation plssss help else I have to sell this nd buy the new s20 fe 5g plssss pllsssss plsssss help
Click to expand...
Click to collapse
Canadian model of S20+ 5G doesn't support Carrier Aggregation used in India I think. Here is listed supported combinations: https://cacombos.com/device/SM-G986W

The Snapdragon 888 will allow aggregation of those two bands. ... There are three models of Samsung's latest: The Galaxy S21, the S21+ and the S21 Ultra.

olkitu said:
Canadian model of S20+ 5G doesn't support Carrier Aggregation used in India I think. Here is listed supported combinations: https://cacombos.com/device/SM-G986W
Click to expand...
Click to collapse
R u sure na ??? I'm going to sell this phone if tmrw if u r sure

williamtim said:
The Snapdragon 888 will allow aggregation of those two bands. ... There are three models of Samsung's latest: The Galaxy S21, the S21+ and the S21 Ultra.
Click to expand...
Click to collapse
Make sure you have correct region device because different region device support different combinations. These are defined to modem firmware. Best way buy own region device. Help me to keep cacombos.com updated by sending your device log to cacombos.com/contribute.
FearLesS007 said:
R u sure na ??? I'm going to sell this phone if tmrw if u r sure
Click to expand...
Click to collapse
I'm sure. Good idea sell it and buy own region device.

olkitu said:
Make sure you have correct region device because different region device support different combinations. These are defined to modem firmware. Best way buy own region device. Help me to keep cacombos.com updated by sending your device log to cacombos.com/contribute.
I'm sure. Good idea sell it and buy own region device.
Click to expand...
Click to collapse
If we change region (CSC) then it will support my sim CA ????? IF YES plsss guide me how can change csc , to INDIAN

olkitu said:
Canadian model of S20+ 5G doesn't support Carrier Aggregation used in India I think. Here is listed supported combinations: https://cacombos.com/device/SM-G986W
Click to expand...
Click to collapse
bro i have same issue with those 2 guys in the post. I have unlocked s21+ purchased from samsung.com model SM_G996U1 and im suing this device in Korea trying to use band 38 as CA. korea telecom uses 3as main and 8 as sub so 3-8band configuration should work as long as i know about s21 uses all band configuration but mine still says ca-not config 00 and only shows LTE not LTE+. help me

moksjm said:
bro i have same issue with those 2 guys in the post. I have unlocked s21+ purchased from samsung.com model SM_G996U1 and im suing this device in Korea trying to use band 38 as CA. korea telecom uses 3as main and 8 as sub so 3-8band configuration should work as long as i know about s21 uses all band configuration but mine still says ca-not config 00 and only shows LTE not LTE+. help me
Click to expand...
Click to collapse
US model of Samsung doesn't support 38-3 CA combination. I don't have exactly your model combinations so you can contribute your device to https://cacombos.com/contribute
But I think your model very close for these:
S21 Ultra 5G US: https://cacombos.com/device/SM-G998U1
S21 US: https://cacombos.com/device/SM-G991U

Hello guys,
I might be able to help you guys out. I had this same issue with my S21 ultra bought from samsung us store but was able to find a work around. Not sure If this would work for you guys but you might as well give it a try. You will need to download QPST, QXDM and have samsung and qualcomm drivers installed.
1. Make sure to have usb debugging on
2. Connect phone to usb and open dialer type *#0808# and select RMNET+DM+MODEM+ADPL(MDM) and leave it there
3. Open QPST and add new port. ( you should see the phone showing up in one of the COM ports ) add this port.
4. Launch EFS Explorer (Start Clients menu)
5. Select phone port that shows an ESN. ( the one added before ) it should take a moment to load
6. Navigate to / nv / Item_files / modem / lte / rrc / cap folder
7. Backup the "prune_ca_combos" file to our computer
8. Delete this file from the phone and reboot.
You should be getting LTE+ after reboot. Let me know if this helped you guys out. @moksjm @FearLesS007 @teedawgg @Max128

teedawgg said:
Hello,
I live in the US but purchased the Hong Kong model S21 Ultra, model SM-G9980. This model is using the Snapdragon chip set, and supports dual physical SIM. It supports LTE bands 2,4,12 yet it has not been aggregating any of the LTE bands in areas which I know a US model would.
As far as I'm aware, there is no access to a hidden network menu that will allow you to toggle carrier aggregation options.
I wanted to attempt installing the T-Mobile USA CSC, but Sammobile doesn't have any US model S21 Ultra firmware yet.
Does anyone know of a way I can enable carrier aggregation?
Click to expand...
Click to collapse
teedawgg said:
Update 3: On a forum discussing the G9880 found HERE someone noted that 5G only worked in the "SIM 2" slot on that model. I switched my SIM to SIM2 and now the 5G icon is appearing, although I have checked *#0011# and noticed that it does not show any NR band connected, only Band 2 LTE. Note the photo below...
View attachment 5210087
Click to expand...
Click to collapse
The SM-G9980 Hong Kong variant is a unique model. It's not possible to flash most firmware to this device, the only alternatives are CHC (China) and BRI (Taiwan). At this time regardless of the firmware you flash your device isn't capable of enabling CA or 5G services. If it were me I would flash the original CSC (TGY) as it much more user friendly than the Taiwan or China firmware.

Question S21 Ultra 5G Snapdragon US unlocked version doesn't show 5G icon in the UK

Hi All,
I have recently bought an Unlocked US snapdragon version of Galaxy S21 ultra 5g but I live in UK. Since the day 1, I have never experienced 5G icon on notifications area here in London. I only see LTE. My SIM is 5G enabled. Is there any difference between the US snapdragon 888 version and UK Exynos 2100 as I am not seeing this 5G icon.
OR, if someone knows if there is a chance to get benefit of 5G here in London with my US version.
I look forward to getting your answers...
Thanks,

If your version is dual sim, try putting the sim on 2nd sim card slot. Otherwise, I would contact Samsung about it.

I thought the US and UK used different bands and that is why Samsung use the different chipsets based on the countries 5G bands. There is a small overlap in the high bands around 27/28 Ghz but that would depend on the bands you Uk provider uses. That is why they do not recommend buying devices from abroad.

The US unlocked won't get 5G in Europe

mpore14 said:
If your version is dual sim, try putting the sim on 2nd sim card slot. Otherwise, I would contact Samsung about it.
Click to expand...
Click to collapse
It's a single SIM device...

lywyn said:
I thought the US and UK used different bands and that is why Samsung use the different chipsets based on the countries 5G bands. There is a small overlap in the high bands around 27/28 Ghz but that would depend on the bands you Uk provider uses. That is why they do not recommend buying devices from abroad.
Click to expand...
Click to collapse
Does it mean, I will never get a chance to to see 5G icon on my device ? Or I can get the 5G in the future when the 5G rolls out fully in the UK with different bands or frequencies? Please comment on this. Thanks

ekerbuddyeker said:
The US unlocked won't get 5G in Europe
Click to expand...
Click to collapse
Is it for now ? Or I will get a chance to see 5G on my device in future ?

Armani505 said:
Does it mean, I will never get a chance to to see 5G icon on my device ? Or I can get the 5G in the future when the 5G rolls out fully in the UK with different bands or frequencies? Please comment on this. Thanks
Click to expand...
Click to collapse
It would depend on many things, 1) The SD support your carriers 5G band, 2) the firmware supporting the 5G, 3) your plan with carrier supporting 5G.
(1) and (2) may be supported depending on the carriers bands, you would need to ask your carrier.
(3) for example, previous EE plans do not include 5G in the plan and only if you upgrade to a 5G plan can you connect at 5G. My last phone did not do 5G so the plan was a 4G plan, upgrading the phone meant I had to upgrade the plan.

It's not whether your carrier will add 5G, it's the bands that they add that matter. European 5G bands are not the same as US 5G bands. Samsung doesn't include both in a single version of the s21 (apple does). You either have the US version or the various global versions. I have the HK version. It's a snapdragon like the US (and dual sim) but it only gets 5G in Europe (and HK of course).

lywyn said:
It would depend on many things, 1) The SD support your carriers 5G band, 2) the firmware supporting the 5G, 3) your plan with carrier supporting 5G.
(1) and (2) may be supported depending on the carriers bands, you would need to ask your carrier.
(3) for example, previous EE plans do not include 5G in the plan and only if you upgrade to a 5G plan can you connect at 5G. My last phone did not do 5G so the plan was a 4G plan, upgrading the phone meant I had to upgrade the plan.
Click to expand...
Click to collapse
Thanks for the detailed answer. I contacted my carrier which is EE here in the UK. They said we are running different bands of 5G as compared to the US 5G bands.
And they confirmed that my plan is 5G enabled...

ekerbuddyeker said:
It's not whether your carrier will add 5G, it's the bands that they add that matter. European 5G bands are not the same as US 5G bands. Samsung doesn't include both in a single version of the s21 (apple does). You either have the US version or the various global versions. I have the HK version. It's a snapdragon like the US (and dual sim) but it only gets 5G in Europe (and HK of course).
Click to expand...
Click to collapse
Hi, Thanks for your reply, I contacted them, and Yes, they said we are running different 5G bands here in UK as compared to US 5G bands and your US version supports the bands currently US carriers are providing in the US.
So, it means, when they (EE UK) add more 5G bands in their service like more frequencies of 5G then I can get the benefit of my 5G Snapdragon US version in the UK ???

ekerbuddyeker said:
The US unlocked won't get 5G in Europe
Click to expand...
Click to collapse

@ekerbuddyeker I hope you're okay. Could you specify the technicality(s) why it won't work?

@ekerbuddyeker I hope you're okay. Could you specify the technicality(s) why it won't work?

SidRose01 said:
I hope you're okay. Could you specify the technicality(s) why it won't work?
Click to expand...
Click to collapse
it's set up to receive a different set frequencies than are mostly used in Europe as others have said.

Hey. Ignore the incorrect advice from both your carrier and other users here.
Your S21 from the US includes band n78 support even though it isn't advertised.
You just need to enable it and remove the NR whitelist.
You can do it through the service menu (access through Google Dialer).

3mel said:
it's set up to receive a different set frequencies than are mostly used in Europe as others have said.
Click to expand...
Click to collapse
Yep. We know. I mean do you know which frequency the US version is missing that is required in UK?

Skander1998 said:
Hey. Ignore the incorrect advice from both your carrier and other users here.
Your S21 from the US includes band n78 support even though it isn't advertised.
You just need to enable it and remove the NR whitelist.
You can do it through the service menu (access through Google Dialer).
Click to expand...
Click to collapse
The service menu was unfortunately disabled on the US versions many months ago...
*Edit* - To clarify this, I'm sure that the code is probably the same as before, however, when you type it in on the US phones (using Google Phone, of course), the number instantly deletes itself and doesn't allow the menu to open. This was either just before or after launch (I can't remember which one as I had a Note 20 Ultra and exchanged it for this phone just after it released). But just before I did the phone exchange, all of a sudden, I couldn't access that service menu anymore on my Note 20U as it had just been blocked on the US phones. Furthermore, both of my phones were unlocked, and so it doesn't seem to be a carrier dependent thing =(

NippleSauce said:
The service menu was unfortunately disabled on the US versions many months ago...
*Edit* - To clarify this, I'm sure that the code is probably the same as before, however, when you type it in on the US phones, the number instantly deletes itself and doesn't allow the menu to open.
Click to expand...
Click to collapse
Not really true. Just add a 2 at the end of the old code, click the first menu option, then 3 dot, back. Click the first option, and again, 3 menu, back. And now you've got the old service menu back.
We still have QPST access to if they ever block that second code

Armani505 said:
Hi, Thanks for your reply, I contacted them, and Yes, they said we are running different 5G bands here in UK as compared to US 5G bands and your US version supports the bands currently US carriers are providing in the US.
So, it means, when they (EE UK) add more 5G bands in their service like more frequencies of 5G then I can get the benefit of my 5G Snapdragon US version in the UK ???
Click to expand...
Click to collapse
Only if they add the specific US bands, which is as likely as the UK Ministry of Transport regulating that the UK will start driving on the left to be in line with the US, but phasing it in, and starting only with Heavy Goods Vehicles first.

Samsung S20 FE SM-G781B/DS issues with 5G

I have a grey import South East Asian variant of this phone. I'm using it in Australia on Optus 5G network and I'm not seeing 5G?
In the SIM card settings it's set to 5G/LTE/3G/2G Auto but I only ever see 4G+ at best.
Do they use different 5G bands in SE Asia compared to Australia? If so is there anyway to get the 5G to work here in Australia?

ballmead said:
I have a grey import South East Asian variant of this phone. I'm using it in Australia on Optus 5G network and I'm not seeing 5G?
In the SIM card settings it's set to 5G/LTE/3G/2G Auto but I only ever see 4G+ at best.
Do they use different 5G bands in SE Asia compared to Australia? If so is there anyway to get the 5G to work here in Australia?
Click to expand...
Click to collapse
Maybe you don't have 5G reception there. But there is a new firmware - maybe that will help
Download Samsung Galaxy S20 FE 5G SM-G781B OPS Australia (Optus) G781BXXS3CUF1 firmware
Fast download latest Samsung Galaxy S20 FE 5G firmware SM-G781B from Australia (Optus) with G781BXXS3CUF1 and Android version 11
www.sammobile.com

Yes, it's definitely in a 5G area as my work colleagues receive 5G with the same SIM. Would this firmware work with my Dual SIM version?

before flashing any firmware have a look at this app, I've not used it but others say it's helped them out.
Samsung Band Selection - Apps on Google Play
This app will help you access hidden network settings for forcing band selection
play.google.com
there's definitely a chance that the bands the phone prefers to use don't exist where you are. you should do some research about what 5G bands that model number supports and about what Optus and Australia in general supports. 5G bands are weirdly named so be careful, hopefully you'll find some overlap.