Question Can I flash SM-G9980 with SM-G998B firmware? - Samsung Galaxy S21 Ultra

Can I flash SM-G9980 (Taiwan BRI) with SM-G998B firmware (any region/csc) or it must be from same model?
Also my model in the network mode doesn't show:
2G Only
3G Only
etc...
it shows only:
3G/2G (auto connect)
4G/3G/2G (auto connect)
etc...
In other words I would like to force network mode to 2G only which I saw available only in the SM-G998B
Thanks!

fa1rid said:
Can I flash SM-G9980 (Taiwan BRI) with SM-G998B firmware (any region/csc) or it must be from same model?
Also my model in the network mode doesn't show:
2G Only
3G Only
etc...
it shows only:
3G/2G (auto connect)
4G/3G/2G (auto connect)
etc...
In other words I would like to force network mode to 2G only which I saw available only in the SM-G998B
Thanks!
Click to expand...
Click to collapse
No. One is Snapdragon G9980 and other is Exynos G998B

No.

Mine has the ability to select 2G only. I suggest you try changing CSC to TGY.
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H4T3M4CH1N3 said:
Mine has the ability to select 2G only. I suggest you try changing CSC to TGY.
View attachment 5326985
Click to expand...
Click to collapse
Yours is TGY (Hong Kong)?

fa1rid said:
Yours is TGY (Hong Kong)?
Click to expand...
Click to collapse
Mine is also TGY and it has 2G Only.

Oh that's interesting guys. I will change my CSC to TGY then. I can do that by flashing the TGY firmware using Odin right?
Does using the HOME_CSC changes the CSC or I need to wipe all the data?
And after that OTA will work fine?
Thanks!

So can I use Odin to flash a new firmware to change the CSC? I want to change from (Taiwan BRI) to (TGY Hong Kong). Please advise, do I need to wipe all data on phone?

fa1rid said:
So can I use Odin to flash a new firmware to change the CSC? I want to change from (Taiwan BRI) to (TGY Hong Kong). Please advise, do I need to wipe all data on phone?
Click to expand...
Click to collapse
I told ya on the other thread that I did change it. What part are you not understanding?
You'll need to flash HOME_CSC if you want to prevent wiping data on your phone.

I tried to flash the TGY using the HOME_CSC and Odin showed pass and then device rebooted, but nothing changed. It's still showing BRI.

just try but make a backup first

SoIomon said:
just try but make a backup first
Click to expand...
Click to collapse
try what? Anyone has an exact method he followed and succeeded? Just please confirm the exact steps you did. Thank!

try flashing the firmware if it fails then go to recovery mode using TWRP. before flashing, back it up using TWRP

SoIomon said:
try flashing the firmware if it fails then go to recovery mode using TWRP. before flashing, back it up using TWRP
Click to expand...
Click to collapse
Sorry it's not clear, can you please explain?

you first need to backup your device using Team Win Recovery Project (TWRP).
after backing it up, go to install and try flashing the firmware.

This app requires root and doesn't do the job. There no s21 on the list of devices even.

Is there anybody here who can help?

fa1rid said:
Is there anybody here who can help?
Click to expand...
Click to collapse
I tried flashing the Home_CSC with May firmware and it didn't change it. I discovered I'm also on BRI firmware. I haven't tried it but you can try to flash the whole TGY (Hong Kong Firmware) using odin.
Edit:Beware that this will perform a factory reset on the device

You can use my app Samsung Band Selection to force those options. Click on "more network settings", "advanced", and then "preferred network type"

rayw_xda said:
You can use my app Samsung Band Selection to force those options. Click on "more network settings", "advanced", and then "preferred network type"
Click to expand...
Click to collapse
This was helpful and working. Thanks!

Related

Samsung Note 4 SM-N910G -Aus CSC

Lollipop Boc5 XSA CSC flashable zip
https://www.dropbox.com/s/z7sry9esmmoja0u/N910GXSA1BOC5_CSC_NoBranding.zip?dl=0
KitKat Australian Telstra CSC flashable zip
https://www.dropbox.com/s/xie7x0u8w...910GTEL1AOA1_TEL_NoBranding_sec_csc .zip?dl=0
KitKat XSA CSC flashable zip
https://www.dropbox.com/s/o5nw4njs2hi8xuo/XSA sec_csc_KK.zip?dl=0
Just flash in TWRP but make sure system partition mounted in Mount section before flash.
Check it's applied in dialer *#1234#
I will be uploading Modems as well shortly
cool would love the modems
Quick question is AP or CP the modem version?
I'm looking forward to passing on the telstra files to my custom rom
Hmm I flashed the telstra csc but it still shows the same with *#1234# but the baseband matches what it should be
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Make sure you goto mount in twrp and select system before you flash CSC.
CP IS MODEM
AP IS THE ROM BASE
just want to know if yo ucan flash that on to a exynos variant. i know CSC contains no hardware information. just network information correct? so would i be able to flash this on to a N910U?
hashcheck said:
latest Australian Telstra CSC flashable zip
https://www.dropbox.com/s/xie7x0u8w...910GTEL1AOA1_TEL_NoBranding_sec_csc .zip?dl=0
Latest XSA CSC flashable zip
https://www.dropbox.com/s/o5nw4njs2hi8xuo/XSA sec_csc.zip?dl=0
Just flash in TWRP but make sure system partition mounted in Mount section before flash.
Check it's applied in dialer *#1234#
Click to expand...
Click to collapse
Good to see you in the Note 4 section hashcheck your note 2 rom was one of my favourites early on.
-Dan
hashcheck said:
I will be uploading Modems as well shortly
Click to expand...
Click to collapse
I flashed your telstra csc on my edge Sm-n915g and all is well, I also flashed back my original modem but would like to try the newest one, any idea if they would be the same and I can flash the latest note 4 modem?
kennyboyismr47 said:
I flashed your telstra csc on my edge Sm-n915g and all is well, I also flashed back my original modem but would like to try the newest one, any idea if they would be the same and I can flash the latest note 4 modem?
Click to expand...
Click to collapse
Can u plz do these for Note 4 N910C XME malaysia CSC ....plz i want csc flashable file....
Whats the differences between these CSC's?
XSA is the bebranded one you purchase outright from Harvey Norman. TEL is the telstra CSC on telstra branded phones includes telstra branding on boot up and shutdown. I however removed branding on telstra CSC to reduce size. The telstra model also runs a different modem to the XSA variant
-= Note 4 & Gear VR =-
Both however will work and if you have telstra be sure to flash telstra modem too
-= Note 4 & Gear VR =-
i have two note 4's and have NO IDEA what they came with stock actually, as i got both second hand.
i've updated both to the latest telstra modems previously, but that didnt change much.
CSC Vodafone Romania
Hi,
do you have by chance a CSC for Vodafone Romania (CNX) ?
I installed a test German version and now I have a foreign CSC
Thanks
Horatiu
n910U China / new zeeland
draginslygj said:
just want to know if yo ucan flash that on to a exynos variant. i know CSC contains no hardware information. just network information correct? so would i be able to flash this on to a N910U?
Click to expand...
Click to collapse
thats what i want to know also !!
also my n910u
escobar035 said:
thats what i want to know also !!
also my n910u
Click to expand...
Click to collapse
I've tried myself. It does work. Without any sideeffects.
Sent from my SM-N910U using XDA Free mobile app
wondering if i flash the telstra csc and use it on optus would mms be the same ?
It would use telstra apn settings from csc. All aussies better off using XSA csc and correct modem per your operaters firmware. XSA csc has all Australian providers APNS and no branding.
hashcheck said:
It would use telstra apn settings from csc. All aussies better off using XSA csc and correct modem per your operaters firmware. XSA csc has all Australian providers APNS and no branding.
Click to expand...
Click to collapse
Which modem and CSC are you running on your Telstra note 4? I think I flashed the AOA1, is this the latest? Or better off with the ANK3?

Network Problem!!!!!

Hi guys. My problemis network.
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I tried all kinds of methods. But I could not find. I have a network patch 4.4.4. I am from Turkey. CSC not have the network patch me.
Facebook.com/abdullahyesildemir2
[email protected]
osmaniyeliapo said:
Hi guys. My problemis network.
I tried all kinds of methods. But I could not find. I have a network patch 4.4.4. I am from Turkey. CSC not have the network patch me.
View attachment 3313794
Facebook.com/abdullahyesildemir2
[email protected]
Click to expand...
Click to collapse
Well, first, you shouldn't start a new thread, this is development forum. Place your questions to related thread, rom - kernel - modem - recovery - etc, next time.
I see you are using touchwiz rom. Are you i9305 user for sure? It might be that you have wrong modem.
Couple of questions.
1) Phone model
2) Rom
3) Baseband
Antsu said:
Well, first, you shouldn't start a new thread, this is development forum. Place your questions to related thread, rom - kernel - modem - recovery - etc, next time.
I see you are using touchwiz rom. Are you i9305 user for sure? It might be that you have wrong modem.
Couple of questions.
1) Phone model
2) Rom
3) Baseband
Click to expand...
Click to collapse
Note 4 Elite Lite rom
Gt-I9305
Baseband? no need
for 4.4.4 baseband patch
osmaniyeliapo said:
Note 4 Elite Lite rom
Gt-I9305
Baseband? no need
for 4.4.4 baseband patch
Click to expand...
Click to collapse
I mean what is your baseband (modem) in settings. From menu where you can find information about your phone...
@osmaniyeliapo
When you installed rom, did you choose "Modem ---> XXUFOA1" and "Available CSC's ---> ROM Default"?
Deleted, double post.
Antsu said:
@osmaniyeliapo
When you installed rom, did you choose "Modem ---> XXUFOA1" and "Available CSC's ---> ROM Default"?
Click to expand...
Click to collapse
I am from Turkey.
CSC or no modem file for Turkey.
so no network
osmaniyeliapo said:
I am from Turkey.
CSC or no modem file for Turkey.
so no network
Click to expand...
Click to collapse
It doesn't matter you're from turkey. You must flash this way. Otherwise the situation is this like it's now, no network.
The reason for 'no network' is that because you didn't flash XXUFOA1 modem and default CSC, you have old JellyBean modem which doesn't work with KitKat Touchwiz roms.
So.. Flash that modem (XXUFOA1) and csc (ROM Default)
Then you'll have working network.
Antsu said:
It doesn't matter you're from turkey. You must flash this way. Otherwise the situation is this like it's now, no network.
The reason for 'no network' is that because you didn't flash XXUFOA1 modem and default CSC, you have old JellyBean modem which doesn't work with KitKat Touchwiz roms.
So.. Flash that modem (XXUFOA1) and csc (ROM Default)
Then you'll have working network.
Click to expand...
Click to collapse
nonsense. What if I did not try. 4.1.2 not even tried it.
osmaniyeliapo said:
nonsense. What if I did not try. 4.1.2 not even tried it.
Click to expand...
Click to collapse
When you rooted your phone, what version was it? Was it 4.3? That's JB and the modem doesn't work with KK.
---------- Post added at 08:15 PM ---------- Previous post was at 08:04 PM ----------
Just tell me your baseband so I can see if it's right one.
osmaniyeliapo said:
Hi guys. My problemis network.
I tried all kinds of methods. But I could not find. I have a network patch 4.4.4. I am from Turkey. CSC not have the network patch me.
View attachment 3313794
Facebook.com/abdullahyesildemir2
[email protected]
Click to expand...
Click to collapse
CM 12, this icon is off all sounds
Check whether you have turned off the display of icons on the coverage
krakowiak84 said:
CM 12, this icon is off all sounds
Check whether you have turned off the display of icons on the coverage
Click to expand...
Click to collapse
http://i57.tinypic.com/334ltgn.png
osmaniyeliapo said:
http://i57.tinypic.com/334ltgn.png
Click to expand...
Click to collapse
Alright. Thank you for the pic. Now I can see you indeed have kitkat modem installed. Sorry for making presumptions so quick.
I checked the rom thread and there was someone with same problem, http://forum.xda-developers.com/galaxy-s3/development-i9305/rom-4-4-4-t3026347/post60493200#post60493200
But the solution was the same I suggested to you, flash latest modem (XXUFOA1) and csc (ROM Default).
Just make a nandroid backup before, so if it doesn't work you can always restore back.
And since your Rom version is 8, you could download v9 and update your rom at same time

Unlocked Note 8 No wifi calling, volte, or advanced messaging

I've already read a bunch of forums on this and finally got into the ims settings but they all say "false" Is there any way with or without root to enable the settings. If I do have to root it, what do I do after to activate these features? The phone has the T-Mobile boot animation and receives T-Mobile software updates. I'm using it on MetroPCS. If I switched to T-Mobile would the features work then? My last phone was a locked T-Mobile S8 and that worked fine on MetroPCS with all the features. Thank you.
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https://imgur.com/a/1d9r4Wo
Bump
Mc Binsk said:
Bump
Click to expand...
Click to collapse
When using T-mobile firmware with tmo service everything will say true. If you look in software info it should say tmb/tmb/tmb.
Ace42 said:
When using T-mobile firmware with tmo service everything will say true. If you look in software info it should say tmb/tmb/tmb.
Click to expand...
Click to collapse
It says tmb/xaa/att. What does that mean?
Mc Binsk said:
It says tmb/xaa/att. What does that mean?
Click to expand...
Click to collapse
I'm guessing the phone started on AT&T firmware, and was not correctly moved to TMB. XAA means U1 fw (att + tmb are U). You're using Frankenstein software, suppose that's part of the problem. If you flash the Tmobile fw with your SIM inserted it should fix that.
..
Ace42 said:
I'm guessing the phone started on AT&T firmware, and was not correctly moved to TMB. XAA means U1 fw (att + tmb are U). You're using Frankenstein software, suppose that's part of the problem. If you flash the Tmobile fw with your SIM inserted it should fix that.
Click to expand...
Click to collapse
According to this guide would I need to do the carrier change first? Or could I to straight to flashing the TMobile firmware?
https://forum.xda-developers.com/galaxy-note-8/how-to/guide-sm-n950u-u1-t3685884
Ace42 said:
I'm guessing the phone started on AT&T firmware, and was not correctly moved to TMB. XAA means U1 fw (att + tmb are U). You're using Frankenstein software, suppose that's part of the problem. If you flash the Tmobile fw with your SIM inserted it should fix that.
Click to expand...
Click to collapse
Also I'm my baseband version is N950USQS5CRK1. Will it allow me to flash the TMobile firmware that matches that version? Thank you for your help.
Mc Binsk said:
It says tmb/xaa/att. What does that mean?
Click to expand...
Click to collapse
This was originally an ATT device. That's what the 3rd CSC Code tells you. It can't be changed, but it also doesn't affect anything.
My guess is someone flashed this to the N960U1 firmware, and then just flashed the T-Mobile CSC file. Probably to get back RCS texting or Video calling. But it left you with Frankenstein firmware.
Just flash a full T-Mobile firmware through ODIN. Use the CSC_OYN file, not the HOME_CSC file. Flash all five files. It will force a factory reset, but should get you back on the full T-Mobile firmware.
If it goes right, you'll end up with TMB/TMB/ATT. which is what I also have.
Mr. Orange 645 said:
This was originally an ATT device. That's what the 3rd CSC Code tells you. It can't be changed, but it also doesn't affect anything.
My guess is someone flashed this to the N960U1 firmware, and then just flashed the T-Mobile CSC file. Probably to get back RCS texting or Video calling. But it left you with Frankenstein firmware.
Just flash a full T-Mobile firmware through ODIN. Use the CSC_OYN file, not the HOME_CSC file. Flash all five files. It will force a factory reset, but should get you back on the full T-Mobile firmware.
If it goes right, you'll end up with TMB/TMB/ATT. which is what I also have.
Click to expand...
Click to collapse
Thanks a lot! For some reason it wasn't working right on MetroPCS but I put a TMobile sim and now all the features work and it says tmb/tmb/att. So I guess I don't have to flash the firmware
Mc Binsk said:
Thanks a lot! For some reason it wasn't working right on MetroPCS but I put a TMobile sim and now all the features work and it says tmb/tmb/att. So I guess I don't have to flash the firmware
Click to expand...
Click to collapse
Glad you got it figured out!

I really want to change the CSC of the samsung galaxyS10 5G SM-G977N (LUC->KOO)

※ I'm sorry. I'm writing here to get information from various places. And the CSC transformation of S10 and S10 5G is similar, so I'm going to leave it.
Hello, I live in Korea.
The phone you use is Galaxy samsung galaxyS10 5G(SM-G977N)
But there's a problem.
I'd like to change the CSC.
The CSC currently in use is LUC.
I would like to change the CSC to KOO in Korea.
However, the firmware of the KOO model was put in AP,BL,CP,CSC,USERDATA and it does not change.
Is there any way?
Please give me a good answer.
Install firmware with samfirm with countrycode u want then flash
Flash to Odin, but it won't change.
kpwnApps said:
Install firmware with samfirm with countrycode u want then flash
Click to expand...
Click to collapse
-------------‐--------------------
To change from CSC LUC to CSC KOO, the company received the initial firmware with countrycode KOO in the Sampirm and flashed it to Oddin, but it does not change. Is there any way I can change from CSC LUC to CSC KOO without turning?
5G is not workin
Hi,
977N is not connecting to 5G in my country (N77/78 5G-NSA). Changing of CSC can help me?
Any idea what can be couse?
overall phone is great, versions are
AP : G977NKSU1ASF3
CP : G977NKOU1ASG5
CSC: G977NOKR1ASF3
kimjoonyoung said:
※ I'm sorry. I'm writing here to get information from various places. And the CSC transformation of S10 and S10 5G is similar, so I'm going to leave it.
Hello, I live in Korea.
The phone you use is Galaxy samsung galaxyS10 5G(SM-G977N)
But there's a problem.
I'd like to change the CSC.
The CSC currently in use is LUC.
I would like to change the CSC to KOO in Korea.
However, the firmware of the KOO model was put in AP,BL,CP,CSC,USERDATA and it does not change.
Is there any way?
Please give me a good answer.
Click to expand...
Click to collapse
You could try this
https://forum.xda-developers.com/ga...de-how-to-change-s9-s9-csc-model-csc-t3870836
Galaxy samsung galaxyS10 5G(SM-G977N) CSC Change
kimjoonyoung said:
※ I'm sorry. I'm writing here to get information from various places. And the CSC transformation of S10 and S10 5G is similar, so I'm going to leave it.
Hello, I live in Korea.
The phone you use is Galaxy samsung galaxyS10 5G(SM-G977N)
But there's a problem.
I'd like to change the CSC.
The CSC currently in use is LUC.
I would like to change the CSC to KOO in Korea.
However, the firmware of the KOO model was put in AP,BL,CP,CSC,USERDATA and it does not change.
Is there any way?
Please give me a good answer.
Click to expand...
Click to collapse
Hi,
Have you managed to change your CSC? If yes, How?
Regards
10dar said:
Hi,
977N is not connecting to 5G in my country (N77/78 5G-NSA). Changing of CSC can help me?
Any idea what can be couse?
overall phone is great, versions are
AP : G977NKSU1ASF3
CP : G977NKOU1ASG5
CSC: G977NOKR1ASF3
Click to expand...
Click to collapse
Same issue for me! , I got the phone and I'm living in Saudi Arabia? any help to resolve this problem?
nawaf2816 said:
Same issue for me! , I got the phone and I'm living in Saudi Arabia? any help to resolve this problem?
Click to expand...
Click to collapse
Saudi doesn't have 5G yet, of course it won't connect to something that do not exist.
Mohamedkam000 said:
Saudi doesn't have 5G yet, of course it won't connect to something that do not exist.
Click to expand...
Click to collapse
No Sir , we have 5G launched by 2 service providers (STC and Zain) so far and the third coming soon
---------- Post added at 02:54 PM ---------- Previous post was at 02:47 PM ----------
I'm trying to figure out the issue preventing 5G connection, whether it is incompatible band frequency! or phone firmware (Koria oriented) is causing the problem!
firmware versions are :
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kimjoonyoung said:
※ I'm sorry. I'm writing here to get information from various places. And the CSC transformation of S10 and S10 5G is similar, so I'm going to leave it.
Hello, I live in Korea.
The phone you use is Galaxy samsung galaxyS10 5G(SM-G977N)
But there's a problem.
I'd like to change the CSC.
The CSC currently in use is LUC.
I would like to change the CSC to KOO in Korea.
However, the firmware of the KOO model was put in AP,BL,CP,CSC,USERDATA and it does not change.
Is there any way?
Please give me a good answer.
Click to expand...
Click to collapse
Hi, can you please tell me what's the csc of unbranded/unlocked ? i'm in LUC and i want to change to the unlocked firmware

Question 5g in UK on G9980 BRI

Hi,
I recently purchased a G9980 from Asia and received the BRI CSC version.
I've tried a 5g Giffgaff SIM in slot 1 and 2 and can't get 5g in a 5g area.
I've done a bit of research that says that there are 5g problems with the BRI version in Europe, but the listed problems seem to be mostly about 5g not being listed in the network options 2g/3g/4g/5g etc which is present in this version so not sure if changing the CSC will fix that.
Can anyone shed any light before I go down the samkey route to changing to TGY as to whether this will work?
Thanks in advance
Check this thread. The solutions may work in your country.
[Help][Guide][Philippines]SM-N9860 TGY/BRI/CHC Snapdragon Users|5G Reception Fix|Updated Guide for OneUI4.0
Hi! I created this thread for SM-N9860 HK/TW/CH variant users from Philippines. The GOAL is to make our units work with our local carriers': 4G Carrier Aggregation (4G CA) (i.e. 4G+/LTE-A). 5G network and resolve any carrier related issues...
forum.xda-developers.com
SkiiinZ said:
Hi,
I recently purchased a G9980 from Asia and received the BRI CSC version.
I've tried a 5g Giffgaff SIM in slot 1 and 2 and can't get 5g in a 5g area.
I've done a bit of research that says that there are 5g problems with the BRI version in Europe, but the listed problems seem to be mostly about 5g not being listed in the network options 2g/3g/4g/5g etc which is present in this version so not sure if changing the CSC will fix that.
Can anyone shed any light before I go down the samkey route to changing to TGY as to whether this will work?
Thanks in advance
Click to expand...
Click to collapse
Changing CSC is NOT possible with Samkey for G9980. You'll have to use ODIN to flash the CSC.
On Sammobile I checked and both TGY and BRI seem to have the same CSC file lol
H4T3M4CH1N3 said:
On Sammobile I checked and both TGY and BRI seem to have the same CSC file lol
Click to expand...
Click to collapse
Oops. So what does that mean? It's been uploaded/labelled wrong? Do I need to source from elsewhere?
SkiiinZ said:
Oops. So what does that mean? It's been uploaded/labelled wrong? Do I need to source from elsewhere?
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Although reading in the S20 forum the same thing was said about the S20 that the firmware was the same just needed to swap the CSC in samkey Here so maybe it's the same for S21 ultra? To be honest this CSC stuff is new to me so I'm probably not understanding it properly. Thanks for your help so far!
SkiiinZ said:
Although reading in the S20 forum the same thing was said about the S20 that the firmware was the same just needed to swap the CSC in samkey Here so maybe it's the same for S21 ultra? To be honest this CSC stuff is new to me so I'm probably not understanding it properly. Thanks for your help so far!
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On HK variant, no need to change CSC if you just want to enable some 5G bands and make 5G work. Did you already try methods on the link I shared specially the "Remove NR Whitelisting" one?
tribalfs said:
On HK variant, no need to change CSC if you just want to enable some 5G bands and make 5G work. Did you already try methods on the link I shared specially the "Remove NR Whitelisting" one?
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Sorry I struggle to navigate the XDA website on mobile. The layout is not great. So I didn't see all your post but now that I have read it, it seems to be exactly what I need! I'll try it when I get home later and I can concentrate on not messing it up and can check the band's I need. I'll report back layer. Thanks again!
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tribalfs said:
On HK variant, no need to change CSC if you just want to enable some 5G bands and make 5G work. Did you already try methods on the link I shared specially the "Remove NR Whitelisting" one?
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Hi!
It worked! Thank you so much for your help!
I didn't get the 800mbs above, only 200, but it's a good start! Cheers!
SkiiinZ said:
Hi!
It worked! Thank you so much for your help!
I didn't get the 800mbs above, only 200, but it's a good start! Cheers!
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The speed depends on your location and network.
Thank you.
So do I gain anything from changing to TGY which seems to be universally recommended over BRI? Faster updates? Less bloatware? Anything else?

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