Question About SM-G998U - Samsung Galaxy S21 Ultra

Hi. This question might e already posted somewhere in this section. Apologies in advance.
I've been an avid fan of Android since 2009. Have a little bit of knowledge flashing custom roms and whatnot. Well this was 10 years ago when i first experience Android Gingerbread version. But due to limitation of android device back then i decided to switch to iOS. And that what I'm using up until yesterday. Now I am a proud owner of a brandnew S21 Ultra.
Now my question is since i got US Variant (SM-G998U / Snapdragon / Single Sim) can i flash asia rom on it? Let's say stock HK ROM from sammobile. Wiill it work?
Due to limitation of s21 ultra available here in PH and forgot to mention its already phased out. I end up buying in online.
I really want to flash stock asia rom with my s21 ultra.
I am seeing that i need to change CSC? Which i already forgot because is been many moons ago. Hoping for help.

Read more in the threads, you might find your solution

valderdark said:
Read more in the threads, you might find your solution
Click to expand...
Click to collapse
Nope i didnt find solution

Please close the thread. I sold the phone and got myself SM-G9980 instead.

Related

Samsung Pay SM-9208, Rooting & Flashing ROM

Purchased Note 5 gold on eBay from US seller. Turns out the phone was from Taiwan. This before I knew about model numbers and I thought that the bands were all I needed to think about to make sure it would work in southern VT US with AT&T. Obviously, came to find out Samsung has regional model numbers.
I love the 9208 for many reasons: unlocked, no AT&T bloatware, and a few other things that just seem to make it a better phone. However, no Samsung Pay and I can't register the phone on Samsung in the US. I don't care about the registering, but I REALLY want Samsung Pay. So, my question....
1. Can I root the phone and get Samsung Pay? I read somewhere that rooting "kicks off Knox" which is apparently bad (I have no idea what that means). Does that mean that I can root and still can't get SP? Also, if I root, what do I lose and what do I gain?
2. Flashing roms. I used to do this in the old days, but spent a few mindless years with iphone (for my husband and daughter) so I am starting over and consider myself a noob. So, can I flash a rom to get SP? Do I flash, then root? Does flashing automatically mean I am rooted? Or do I root first, then flash, then do I get SP? Finally, what do I lose flashing and what do I gain?
3. Lastly, does anyone know if and when the Taiwan model 9208 will get SP from Samsung?
Sorry for all the questions - thought I would get it all in one post! Thanks so much for any help and advice. Oh, and before anyone lectures me for buying non-US model just to get a color or something, please refrain! I already know I should have realized Samsung had regional models - my stupid mistake!
Welcome to the club!
I got the Singapore 920i version 1 for the Gold and 2 for the 64gb !
In answer of your questions. ..
1. No. Root is incompatible with SP.
But I think Android pay can work with Dr. KETAN'S rom and his kernel
Haven't tried it out yet but at least it let me install. SP wouldn't even allow install.
2. Flashing as of now will help no effect on SP. But there are some Roms out there that improve battery life and have mods..I'm on the latest Dr. Ketan 4.1
3. Unknown.
As to if the version you bought will be compatible with your carrier you can check on http://www.willmyphonework.net/
Compare your model with the 920a for at&t
Oh and enjoy ?

Huawei US Firmware?

Hello, total noob here. So recently got a p20 pro, and is loving it so far. However, I got the Chinese firmware version C00. From my understanding, there is a US T-Mobile version. I was wondering, how can I go about changing it? Does it involve flash or something like that? Any help would be great!
Type_Null said:
Hello, total noob here. So recently got a p20 pro, and is loving it so far. However, I got the Chinese firmware version C00. From my understanding, there is a US T-Mobile version. I was wondering, how can I go about changing it? Does it involve flash or something like that? Any help would be great!
Click to expand...
Click to collapse
I put this list together to illustrate the different variants of this phone.
https://forum.xda-developers.com/huawei-p20-pro/how-to/huawei-p20-pro-variants-t3797524
The phone you have is probably the AL00. This phone is not sold in the US because of political unrest between US Congress and Huawei. There is no 'T-Mobile version', nor are there any US versions. However, I can confirm that the L29 works perfectly here in the United States even though it uses Asia Pacific branded firmware.
Are you having any problems with software on the phone? If not, just root and enjoy!
Hey. Currently I'm running AL01 I was wondering if you have a guide to switch to the international version. Any help is appreciated. Thanks!
Type_Null said:
Hey. Currently I'm running AL01 I was wondering if you have a guide to switch to the international version. Any help is appreciated. Thanks!
Click to expand...
Click to collapse
Looks like nsilva.android was able to flash AL01 to L29 via this thread
https://forum.xda-developers.com/hu...-to-root-debrand-remove-retail-t3788326/page8
Check out some of his responses before that page - but it looks like its possible.
I will be attempting sometime int he next week. I'll try to get an instruction set together

Question about flashing firmware from a different region

Hey guys,
I've been up and down the forums looking for answers and come out thoroughly confused, so thought it would be best to ask for help from the professionals.
I am in New Zealand and have recently purchased an imported S10 from the states (site never said it was imported, would have gone local had I known), model SM-G973U. I've since realised that the phone will not update, and has been stuck on the June security patch since I got it. Contacted Samsung NZ and they said that because the phone isn't approved by my local carrier (Spark) no updates are getting pushed through.
I've thought of flashing a Spark-based version of the phone so I can receive updates but because the local versions of this phone are a different model (SM-G973F) I'm worried whether this will even work or if it will brick my phone entirely.
Is this something I can safely do, or will I have to resort to flashing updates manually?
Thanks guys, these forums really are great.
NikolaiA said:
Hey guys,
I've been up and down the forums looking for answers and come out thoroughly confused, so thought it would be best to ask for help from the professionals.
I am in New Zealand and have recently purchased an imported S10 from the states (site never said it was imported, would have gone local had I known), model SM-G973U. I've since realised that the phone will not update, and has been stuck on the June security patch since I got it. Contacted Samsung NZ and they said that because the phone isn't approved by my local carrier (Spark) no updates are getting pushed through.
I've thought of flashing a Spark-based version of the phone so I can receive updates but because the local versions of this phone are a different model (SM-G973F) I'm worried whether this will even work or if it will brick my phone entirely.
Is this something I can safely do, or will I have to resort to flashing updates manually?
Thanks guys, these forums really are great.
Click to expand...
Click to collapse
Hi dude,
Don't try to update your G973U with a G973F firmware coz SoC of those devices are different ! Your model has a snapdragon but G973F (international S10 version) has an Exynos (Samsung made chipset).
What you can do if you really want to update it is to download this firmware and flash it through latest Odin (google or youtube this if you don't know how to proceed).
P.S. Firmware I linked here is the USA unbranded one, idk really know if this CSC will support your local carrier so make a backup of your device before processing !
Hey sorry I've been too caught up in life to try this until now, but I gave that firmware a go, flashed it with the latest odin and it's worked without a hitch, carrier settings intact and all.
Thanks for the guidance!
Tagdu17 said:
Hi dude,
Don't try to update your G973U with a G973F firmware coz SoC of those devices are different ! Your model has a snapdragon but G973F (international S10 version) has an Exynos (Samsung made chipset).
What you can do if you really want to update it is to download and flash it through latest Odin (google or youtube this if you don't know how to proceed).
P.S. Firmware I linked here is the USA unbranded one, idk really know if this CSC will support your local carrier so make a backup of your device before processing !
Click to expand...
Click to collapse
NikolaiA said:
Hey sorry I've been too caught up in life to try this until now, but I gave that firmware a go, flashed it with the latest odin and it's worked without a hitch, carrier settings intact and all.
Thanks for the guidance!
Click to expand...
Click to collapse
You're welcome, I'm glad it worked for you !

Android 10 canada

Hi guys. Returned to Xperia after years and have a lot to go through. But is anyone aware whats up with the Canada Android 10 update. And another question. Will there be a problem to flash a different model firmware?

how to revert s10 to previous firmware

so i bought my s10 from dubai and came to india and had to factory reset the device. now i have use indian version and samsung pay changed to indian version as well. . even the mobile signal is getting messed up.
what do i have to do to change back to the original version. please help
Depends on the actual model number you have, so you need to tell us that. Snapdragon phones vs Exynos phones have different procedures.
Once you identify which you have, there are threads here on how to flash stock roms. Read them carefully and ask questions there.

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