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[Q] Who can success Software update(OTA) from oversea(not in US)?

Last time When I went to USA for business trip, I Bought ATT G2 (D800) model.
Now i'm living on South korea.
Currently my ATT G2 have v20c version and I want to upgrade for v20y without rooting.
Because all of korean Banking and credit card app run threaten scan and if rooting related files found on phone, it won't run by security problem.
But, When I tried software update every time, it just loop "Not yet registered" popup occur and I won't 20y update from ATT FOTA server.
And I also doesn't have ATT or ATT Go phone sim. If I get or borrow ATT SIM and connect on Wifi, Can I get a 20y OTA from oeversea?
Exactly, Am i need a ATT SIM or Go Phone SIM for successfully get a OTA file ? also that ATT sim must be activated on ATT account ?
I think some of my colleagues have a deactivated ATT go phone sim. But i'm worry that this deactivated sim also can get a OTA from ATT FOTA server.
I need a brothers opinion or success story who can success got a OTA from oversea and not ATT(like T-mobile or H2o or Straghit talk... ) environment.

I also got the same problem with you. Hope someone will help us

Upgrade to Lollipop
Try the steps listed in this URL and you will get the update. It worked for me.

vinu_h said:
Try the steps listed in this URL and you will get the update. It worked for me.
Click to expand...
Click to collapse
I did. Worked fine. I needed the files which i couldnt find on the internet but managed to dig in deep and after a month or so , found them.

Re unlock verizon to international network

Excuse me, I was bought ss note 5 N920v from Aliexpress to Thailand and already unlocked but it has android 6.0. I found 7.0 rom (https://forum.xda-developers.com/verizon-galaxy-note5/general/sm-n920v-nougat-odin-firmware-t3592899) then I flash it via odin . When finished reboot. It appeared "sim card is not from verizon wireless " and I can't use 4G mobile internet so I think it look like re-lock network again. This case can I use verizon unlock service on ebay? or you have the better way for free? Thank you.

You dont need to relock it.
Note 5 VZW is UNLOCKED!!!
Ignore the message "sim card is not from verizon wireless"
You need to setup you carrier APN settings to use 4g connection

but the signal is very weak and the previous version that buyer flashed 6.0 but my signal is full and didn't has verizon logo.

baserlink said:
but the signal is very weak and the previous version that buyer flashed 6.0 but my signal is full and didn't has verizon logo.
Click to expand...
Click to collapse
don't worry.just set APN to 4g network,signal auto increase

N950USQS5CRF6 not getting the August update

It was originally an unlocked model straight from Samsung. I flashed AT&T firmware so I could use some features. I figured this build number would receive OTA updates.

i never got ota updates on my unlocked phone. I've installed 100% at&t stock firmware.

babbar559 said:
i never got ota updates on my unlocked phone. I've installed 100% at&t stock firmware.
Click to expand...
Click to collapse
Someone told me if I register my imie and sim number with AT&T I should start getting updates. Not only did I not get the update after giving them the info, wifi calling doesn't work anymore.

10pmStalker said:
Someone told me if I register my imie and sim number with AT&T I should start getting updates. Not only did I not get the update after giving them the info, wifi calling doesn't work anymore.
Click to expand...
Click to collapse
imei and sim is registered maybe that's why wifi calling never worked on mine. lol

Current stock is N950USQU5CRG7
You can dl the update.zip file HERE, copy it to your ext SD card and flash it from recovery. This WILL factory reset

babbar559 said:
imei and sim is registered maybe that's why wifi calling never worked on mine. lol
Click to expand...
Click to collapse
Haha yes, that's exactly it. I found my old Note 7 box, grabbed the sim from that and told at&t I need to update it. Wifi calling working again.
kangi26 said:
Current stock is N950USQU5CRG7
You can dl the update.zip file HERE, copy it to your ext SD card and flash it from recovery. This WILL factory reset
Click to expand...
Click to collapse
Got an error, I'm on CRF6 currently.

oh wait so if we got the unlocked version straight from SS and if we give ATT an ATT phone, we can have wifi calling? O_O?

10pmStalker said:
Haha yes, that's exactly it. I found my old Note 7 box, grabbed the sim from that and told at&t I need to update it. Wifi calling working again.
Got an error, I'm on CRF6 currently.
Click to expand...
Click to collapse
Do you have ATT Rom on it or it the stock Rom from Samsung?
Also, can I ask what you told them to change the IMEI?
I called and they were telling me I can't change the IMEI and that even if we do change it, it would only work on the previous phone... which seems bogus...

sixk said:
Do you have ATT Rom on it or it the stock Rom from Samsung?
Also, can I ask what you told them to change the IMEI?
I called and they were telling me I can't change the IMEI and that even if we do change it, it would only work on the previous phone... which seems bogus...
Click to expand...
Click to collapse
Was originally unlocked direct from Samsung, I flashed AT&T software.
I just flashed the update on my own, I don't know if I'll ever get OTA.
I had no problem changing IMEI. It had my old S7 edge IMEI, I used chat to change it to my current Note 8. Then quickly had them switch it to Note 7 IMEI once WIFI calling wouldn't work. They asked no questions both times. Just told them I upgraded phones and need to update my IMEI. I've never called them, just used the chat feature.

10pmStalker said:
Was originally unlocked direct from Samsung, I flashed AT&T software.
I just flashed the update on my own, I don't know if I'll ever get OTA.
I had no problem changing IMEI. It had my old S7 edge IMEI, I used chat to change it to my current Note 8. Then quickly had them switch it to Note 7 IMEI once WIFI calling wouldn't work. They asked no questions both times. Just told them I upgraded phones and need to update my IMEI. I've never called them, just used the chat feature.
Click to expand...
Click to collapse
Thanks Stalker...
Now I have to decide if I want to flash ATT firmware or not...
Hate having to re-setup my phone haha.
So you just used Odin and the ATT firmware correct?
FYI I have been getting ATT OTA updates on my stock SS direct Note 8.

sixk said:
Thanks Stalker...
Now I have to decide if I want to flash ATT firmware or not...
Hate having to re-setup my phone haha.
So you just used Odin and the ATT firmware correct?
FYI I have been getting ATT OTA updates on my stock SS direct Note 8.
Click to expand...
Click to collapse
Yep, used Odin and the ATT firmware. I just back everything up using smart switch external storage feature and backed up my Nova Launcher settings. Only thing I don't like is I have to tweak all the settings over again.

10pmStalker said:
Yep, used Odin and the ATT firmware. I just back everything up using smart switch external storage feature and backed up my Nova Launcher settings. Only thing I don't like is I have to tweak all the settings over again.
Click to expand...
Click to collapse
One last question.
Did you need to give them the old SIM#?
I have info in my email before returning my Note 7 but nothing on the SIM card # and wonder if that might give me some trouble later on for wifi calling.

sixk said:
One last question.
Did you need to give them the old SIM#?
I have info in my email before returning my Note 7 but nothing on the SIM card # and wonder if that might give me some trouble later on for wifi calling.
Click to expand...
Click to collapse
Didn't give them any SIM info. Just IMEI

10pmStalker said:
Didn't give them any SIM info. Just IMEI
Click to expand...
Click to collapse
Cool... I am going to give them the IMEI for my old Note 7 with stock Unlocked firmware.
Just to see if that works... if not I am going to have to flash
Thanks for the info Stalker

You won't get AT&T OTA unless you're in AT&T network with MCC 310 MNC410 (Red pock GSMA has this so it can get AT&T OTA update).

power_book said:
You won't get AT&T OTA unless you're in AT&T network with MCC 310 MNC410 (Red pock GSMA has this so it can get AT&T OTA update).
Click to expand...
Click to collapse
Could you explain this a bit? I don't know what any of that means

You need active AT&T sim cards or AT&T MVNO (Red pockets(310 410 but not Freedompop 310 170) sim card in your phone to get AT&T software update.
10pmStalker said:
Could you explain this a bit? I don't know what any of that means
Click to expand...
Click to collapse

power_book said:
You need active AT&T sim cards or AT&T MVNO (Red pockets(310 410 but not Freedompop 310 170) sim card in your phone to get AT&T software update.
Click to expand...
Click to collapse
My sim card is direct from AT&T. I've been using the same one since I purchased and activated the Note 7 in an AT&T store

Did you flash your phone with AT&T firmware including home CSC or just part of AT&T firmware?
You have to flash complete AT&T firmware to get AT&T OTA.
10pmStalker said:
My sim card is direct from AT&T. I've been using the same one since I purchased and activated the Note 7 in an AT&T store
Click to expand...
Click to collapse

power_book said:
Did you flash your phone with AT&T firmware including home CSC or just part of AT&T firmware?
You have to flash complete AT&T firmware to get AT&T OTA.
Click to expand...
Click to collapse
Flashed it including home CSC. Wanted everything so I could use wifi calling since that was the whole point in the first place.

OTA

Can anyone tell me if there is newer software for this phone on AT&T?
Currently:
Model LM-G900UM
SW VERSION G900UM10e
Security June 1, 2020
I'm reading there is a version G out, but I'm not getting an update. I even tried a new SIM.

I have the Canadian version, same model and no we haven't had a software update here either
From my knowledge the only ones that have gotten an update are the international unlocked versions which are running the Snapdragon 845

At&t has had two security updates and they're not getting to me. No one at at&t seems to know what to do.

So, this saga has finally ended. My firmware was G900UM10e. VPN bug, and phone would not take OTA. It kept saying I had the latest firmware. To their credit, AT&T support DID try everything. The phone wouldn't even take a push from their servers. New SIM card, factory reset, nada.
So, they sent a warranty replacement with G900UM10n loaded. VPN works perfect. I NEED it for work. And, today I managed to get G900UM10o over the air.
Either the IMEI of my old phone was MAJORLY hard bricked on their update server, or there was a bug in 10e blocking OTA.
Anyhoo, just wanted to share.

mrsubway said:
So, this saga has finally ended. My firmware was G900UM10e. VPN bug, and phone would not take OTA. It kept saying I had the latest firmware. To their credit, AT&T support DID try everything. The phone wouldn't even take a push from their servers. New SIM card, factory reset, nada.
So, they sent a warranty replacement with G900UM10n loaded. VPN works perfect. I NEED it for work. And, today I managed to get G900UM10o over the air.
Either the IMEI of my old phone was MAJORLY hard bricked on their update server, or there was a bug in 10e blocking OTA.
Anyhoo, just wanted to share.
Click to expand...
Click to collapse
I haven't tried the VPN, but I would like to update to Android 11, and I am still stuck with the June 1, 2020 security patch on android 10 with the software version of G900UM10e and my model number is LM-G900UM. I got mine from the USA but am currently living in South Africa, so is there any way that I can fix this issue?

Only if you have an AT&T Sim card. You can't do an OTA update unless it's on the AT&T network.
e is the variant I got stuck on. Since I got my warranty replacement, I've gotten numerous updates, including Android 11.

mrsubway said:
Only if you have an AT&T Sim card. You can't do an OTA update unless it's on the AT&T network.
e is the variant I got stuck on. Since I got my warranty replacement, I've gotten numerous updates, including Android 11.
Click to expand...
Click to collapse
So basically, I can't ever receive updates unless I get an AT&T SIM card and are on their wireless network?

scorpawe said:
So basically, I can't ever receive updates unless I get an AT&T SIM card and are on their wireless network?
Click to expand...
Click to collapse
Correct.

Well, that sucks. Do you know of any way to bypass it, or is there a custom ROM that I can install on this variant of the LG Velvet?

Flash S10+ to get latest security patches

Hi there, new member with a first question.
I bought an S10+ (SM-G975U) online, unlocked, to be used mainly with AT&T when in US, and different carriers when traveling. IMEA check shows the phone was originally on Verizon carrier, but works fine with AT&T sim card. However, it's not receiving OTA software updates, and the security patches are way behind. When I try to force software updates, says it's already up to date. Seems like on unlocked phones, or switched carriers the updates don't happen. I tried booting the phone with a working Verizon sim card, still no updates. Online searches say that flashing the firmware is my best (or only) option. I downloaded Odin, but I still have a lot to learn and don't want to brick my phone. I'm not sure which firmware version to get. AT&T vs Verizon? U or U1 since it's unlocked? Do I flash all 5 files or just some of them?
Thanks.