Confusion on Regions.. - Samsung Galaxy S9 Questions & Answers

Hi guys, im alil confused on how to update the phone correctly. So i thought i had an Indian S9, how exactly would i confirm that? Is it a good idea to check my IMEI from those IMEI check sites - they seem kinda dodgy.
Main reason being i read that if i dont install the correct A10 package for my phone - i wont receive updates and i'd like that to be automatic. ATM i think i have the Netherlands version running on my S9
Thanks

b0uncyfr0 said:
Hi guys, im alil confused on how to update the phone correctly. So i thought i had an Indian S9, how exactly would i confirm that? Is it a good idea to check my IMEI from those IMEI check sites - they seem kinda dodgy.
Main reason being i read that if i dont install the correct A10 package for my phone - i wont receive updates and i'd like that to be automatic. ATM i think i have the Netherlands version running on my S9
Thanks
Click to expand...
Click to collapse
post your entire IMEI up in your next reply. Kidding, never do that. The IMEI checking sites are actually pretty accurate, but if youre unsure, almost all the major players will offer the same service on their sites too, they just call it something else. You can also go into the about phone section and irrespective of whats currently installed, itll tell you how it left the factory

Youdoofus said:
You can also go into the about phone section and irrespective of what's currently installed, it'll tell you how it left the factory
Click to expand...
Click to collapse
Where exactly is this? - as far as I can tell, everything under 'software information' is relates to the current version of Android 10 i flashed.

Related

[Q] Need to find a firmware

Hello,
Where I can find firmware P6-U06V100R001C00B119SP01?
I have installed Firmware B125 but I have two issues:
Notification panel is disable (missing panel and cant be enable)
Mobile Data (internet) not working properly, I cant download images or access to Play Store
So I have decided to try to find the Firmware from my country but I wasnt able to find it, as far as I know is the following:
P6-U06V100R001C00B119SP01
Hardware version: EDGE_UGV3
Maybe installing this firmware all my issues can be solve,
This is from Costa Rica
Try first factory reset.
alex.79 said:
Try first factory reset.
Click to expand...
Click to collapse
I did, also, I've tried many firmwares like B125, B111 & B119, but nothing works as it should, notification panel still missing and I have issues with internet.
Thats why I want the original firmware that should be used here in Costa Rica.
I hope I am wrong, but there is a chance you have a fake phone.
If you search the threads you will find that other members whose phones were fake had similar issues with google play store after updating their ascend p6.
Maybe you should try install cpu-z or another program that will show you the specs. If you find this (check posts #15 & #16, hardware mt6589) then your phone is fake and you should probably contact the seller...
EDIT: I just show that you are the OP of this thread, so I am probably wrong.
Well it is not a replica, so im out of ideas about what to do.

[Solved] [Q] Bought new S3 from Amazon, can't update

I recently bought a new "Samsung Galaxy S III 16GB SGH-T999L 4G LTE White - T-Mobile" from Oakland Wireless via Amazon. This is for my fiancé, to replace her broken iPhone 4s. After popping in her T-Mobile sim card, the phone seems to work fine. However, the WiFi calling feature seems to be missing and when we try to perform a software update it ends with "process failed". The installed Android version is 4.1.1.
She went to a T-Mobile store to see if they could help. They were also unable to get the phone to update, and eventually told her that it would never work simply because we didn't buy the phone from T-Mobile. They also told her it would only be a talk and text phone, and wouldn't get data service. However, this last part is clearly false, as she has been using data without any problem.
Does anybody have experience with this issue? Were the folks at the T-Mobile store correct or mistaken?
Also, assuming they are correct and the phone can't be updated over the air, can I just download and install a stock ROM with the latest version and WiFi calling? I have a custom ROM installed on my Galaxy Exhibit, so I am familiar with installing ROMs, but my fiancé doesn't want a custom ROM, she wants stock.
Look in the t mobile s3 section there should be a Odin file you can flash (stock firmware)
Sent from my SM-N900A using XDA Free mobile app
Well first of all the T999L released with 4.1.2 so something doesn't seem right, and it may be why its not updating. To get a better idea of the phone model, can you post a screenshot of the about device section? And I assume you are not rooted correct? Download this app https://play.google.com/store/apps/details?id=org.vndnguyen.phoneinfo scroll to firmware info and post it here as well
Thanks for the replies!
ryant100 said:
Look in the t mobile s3 section there should be a Odin file you can flash (stock firmware)
Click to expand...
Click to collapse
I didn't see any stock stuff in the tmobile s3 ROM list, but I did a little more searching and found this thread with stock firmware and OTA's:
http://forum.xda-developers.com/showthread.php?t=1949687
Not sure if I should try to do the OTA update or one of the complete firmwares. Any idea why there is no OTA update for 4.3?
serio22 said:
Well first of all the T999L released with 4.1.2 so something doesn't seem right, and it may be why its not updating. To get a better idea of the phone model, can you post a screenshot of the about device section? And I assume you are not rooted correct? Download this app https://play.google.com/store/apps/details?id=org.vndnguyen.phoneinfo scroll to firmware info and post it here as well
Click to expand...
Click to collapse
Hmmm. Maybe I got the version wrong or maybe it's not really a T999L? She isn't here with the phone right now, so I'll have to get back to you.
I stopped posting the OTA's simply because they're next to useless for us. Fladhing the firmware via Odin has a much greater success rate snd OTA's are notorious for causing all sorts of problems. Just wasn't worth the trouble to post them anymore.
I attached the screenshots from the phone info app. Looks like maybe it's not the LTE model after all? I looked behind the battery, and it also says SGH-T999 with no "L" on the end.
The strange thing is that it shows an LTE mode in the network settings. However, I've never seen it actually use LTE mode, even though T-mobile says it should work at our location (Seattle). Using the Ookla speed test app, I get ~4 Mbps down (the same speed as my Galaxy Exhibit).
I'm thinking about returning the phone if it is not the correct model. I'm curious though, if I try updating the firmware and it doesn't work, can I restore everything exactly to it's current state before I return it? I don't want them to refuse the return because I messed with the firmware.
Ok looks like you got a Frankenstein phone.. That's an at&t bootloader with a Canadian product/model name & T999 build that I've never heard of.. I would just return it or ask for an exchange, not worth it to keep messing with it
Yup. Another one! And its got a csc from the I9300! The LEM build, if I remember right, was the original stock 4.0.4 firmware. But there is way too much conflicting info there for me to be comfortable recommending much of anything.
I just installed that app to make sure it wasn't giving bad info, and it is showing everything correctly for mine.
As for the LTE showing up in the menu, that isnt too uncommon. If you want to know what you are really connected to, check Settings, About Device, Status, Network Type. Best to do this during a large download.
But aside from it being a franken-phone, everything that is related to the T-Mobile model points to it being a non-LTE T999.
DocHoliday77 said:
Yup. Another one! And its got a csc from the I9300!
Click to expand...
Click to collapse
Yeah I noticed that too but guess I forgot to mention it ? so odd how out of nowhere there this wave of franken-phones going around
Thanks for everyone's advice. I'm going to return the phone.
Probably the best choice. Its just more trouble than its worth imo.

Downgrade S9+ to Oreo

Hi,
I just got an S9+ and I really don't like One UI, and I've seen lots of tutorials on how to downgrade to Oreo, though for me I keep getting stuck at recovery.img in Odin and I don't know why. I have tried both BTU and VOD firmware (not sure if my phone was locked or not and I'm in the UK) and nothing works. Please help.
Thanks,
Marco
what error is Odin kicking up when you do this? something about the binary? what firmware are youstarting with and what are you trying to flash exactly?
youdoofus said:
what error is Odin kicking up when you do this? something about the binary? what firmware are youstarting with and what are you trying to flash exactly?
Click to expand...
Click to collapse
So Odin isn't kicking up an error, it just gets stuck on recovery.img every time no matter what I firmware file I try. I am starting with the latest Android Pie One UI firmware and downgrading to Android 8.0 Oreo using firmware from samfrew.
mviscito said:
So Odin isn't kicking up an error, it just gets stuck on recovery.img every time no matter what I firmware file I try. I am starting with the latest Android Pie One UI firmware and downgrading to Android 8.0 Oreo using firmware from samfrew.
Click to expand...
Click to collapse
950F or 950U?
youdoofus said:
950F or 950U?
Click to expand...
Click to collapse
SM-G965F Galaxy S9+
mviscito said:
SM-G965F Galaxy S9+
Click to expand...
Click to collapse
thats why i was asking for the firmware version youre on because it would have told me if it was a U or an F LoL. which is totally different from a F and a U (get it? F U?) bad joke... anyways, the F might be able to roll back, but the U for sure is not. Im not well enough versed to go much past this point as i am of the belief that you cannot downgrade, but i could be wrong and dont want to discourage you. Anyways, the entire firmware version youre on and the one youre trying to go to would be helpful. You cant just say "the most recent" because there are many versions of "the most recent" version. Absolutely not trying to mock you or anything, but trust me when i say to post up entire firmware versions, its helpful to those who come to this thread and would like to help out, but dont have the info they need in order to do so
youdoofus said:
thats why i was asking for the firmware version youre on because it would have told me if it was a U or an F LoL. which is totally different from a F and a U (get it? F U?) bad joke... anyways, the F might be able to roll back, but the U for sure is not. Im not well enough versed to go much past this point as i am of the belief that you cannot downgrade, but i could be wrong and dont want to discourage you. Anyways, the entire firmware version youre on and the one youre trying to go to would be helpful. You cant just say "the most recent" because there are many versions of "the most recent" version. Absolutely not trying to mock you or anything, but trust me when i say to post up entire firmware versions, its helpful to those who come to this thread and would like to help out, but dont have the info they need in order to do so
Click to expand...
Click to collapse
Ok just did a quick bit of Googling and I'm on the September 2019 Security Update (Android Pie) and I'm trying to downgrade to the November 2018 Update (Android Oreo). Thank you for your patience I'm a complete novice here!
Edit: I've also tried using a patched version of Odin and unfortunately that also hasn't worked
mviscito said:
Ok just did a quick bit of Googling and I'm on the September 2019 Security Update (Android Pie) and I'm trying to downgrade to the November 2018 Update (Android Oreo). Thank you for your patience I'm a complete novice here!
Edit: I've also tried using a patched version of Odin and unfortunately that also hasn't worked
Click to expand...
Click to collapse
only way is flash a oreo based custom rom. maybe tgp
mviscito said:
Ok just did a quick bit of Googling and I'm on the September 2019 Security Update (Android Pie) and I'm trying to downgrade to the November 2018 Update (Android Oreo). Thank you for your patience I'm a complete novice here!
Edit: I've also tried using a patched version of Odin and unfortunately that also hasn't worked
Click to expand...
Click to collapse
no worries man. grab your phone, go to settings/about phone/software information/baseband version
what is the baseband your phone is currently on and what is the entire alphanumeric of the firmware youre trying to flash?
youdoofus said:
no worries man. grab your phone, go to settings/about phone/software information/baseband version
what is the baseband your phone is currently on and what is the entire alphanumeric of the firmware youre trying to flash?
Click to expand...
Click to collapse
Baseband: G965FXXU6CSGD
BTU ROM: G965FXXS2BRJ6-20181116134320
VOD ROM: G965FXXS2BRK3-20181228140740
Thanks for your help
mviscito said:
Baseband: G965FXXU6CSGD
BTU ROM: G965FXXS2BRJ6-20181116134320
VOD ROM: G965FXXS2BRK3-20181228140740
Thanks for your help
Click to expand...
Click to collapse
not a problem
the bootloader you have on your phone is version U6 and the one youre trying to flash is S2, thats 4 revisions back and im sure thats part of the trouble youre having. Im going to have to look at downgrade procedures in order to find out if its even possible. Kinda surprised that someone else hasnt popped in here such as @The Mad Scientist
---------- Post added at 01:35 PM ---------- Previous post was at 01:29 PM ----------
here is the thread discussing how to do it, but the examples in the guide show far older bootloaders than what youre running. you said that youve seen tutorials on this, do you have any links?
also, the baseband of your phone is from Germany, have you tried a German 8.0?
youdoofus said:
not a problem
the bootloader you have on your phone is version U6 and the one youre trying to flash is S2, thats 4 revisions back and im sure thats part of the trouble youre having. Im going to have to look at downgrade procedures in order to find out if its even possible. Kinda surprised that someone else hasnt popped in here such as @The Mad Scientist
---------- Post added at 01:35 PM ---------- Previous post was at 01:29 PM ----------
here is the thread discussing how to do it, but the examples in the guide show far older bootloaders than what youre running. you said that youve seen tutorials on this, do you have any links?
also, the baseband of your phone is from Germany, have you tried a German 8.0?
Click to expand...
Click to collapse
Two things, 1 that link is the exact one I used first and second wow I never knew I will try a German Android 8.0 thank you do you know what code those ade? (E.g. BTU or XEU idk what these codes are called)
here is the most recent German 8.0
https://www.sammobile.com/samsung/g...e/SM-G965F/DBT/download/G965FXXS2BRL3/249034/
also, if Odin stalls at initializing, then its probably not interfacing with your phone properly. Does it show a device listed as "COM:#"? that pound sign is going to be a number, doesnt matter what that number is, just as long as Odin says "COM:3" or "COM:733" in that little box below the big one in the upper left hand corner
mviscito said:
Two things, 1 that link is the exact one I used first and second wow I never knew I will try a German Android 8.0 thank you do you know what code those ade? (E.g. BTU or XEU idk what these codes are called)
Click to expand...
Click to collapse
these phones are a major learning curve, thats for sure. Ive been rooting and modding phones since the Droid Incredible and HTC Evo (the original evo) days and its just a different world, which makes sense because these phones are asked to do sooooo much more than the old school smartphones ever did. Anyways, those 3 letter codes are called CSC's. "Consumer software Customization" is what they technically call it, but ive ever only heard them referred to as "country specific codes" which makes more sense as theyre bespoke to a country.
youdoofus said:
here is the most recent German 8.0
https://www.sammobile.com/samsung/g...e/SM-G965F/DBT/download/G965FXXS2BRL3/249034/
also, if Odin stalls at initializing, then its probably not interfacing with your phone properly. Does it show a device listed as "COM:#"? that pound sign is going to be a number, doesnt matter what that number is, just as long as Odin says "COM:3" or "COM:733" in that little box below the big one in the upper left hand corner
Click to expand...
Click to collapse
Ok so Odin recognises my device correctly, however the issue then is still it getting stuck at recovery.img, even with the German DBT firmware. Really weird
Edit: Here is exactly where it gets stuck.
https://imgur.com/a/31w8u7V
mviscito said:
Ok so Odin recognises my device correctly, however the issue then is still it getting stuck at recovery.img, even with the German DBT firmware. Really weird
Edit: Here is exactly where it gets stuck.
https://imgur.com/a/31w8u7V
Click to expand...
Click to collapse
thats the longest part of the flash, how long does it get stuck there for?
youdoofus said:
thats the longest part of the flash, how long does it get stuck there for?
Click to expand...
Click to collapse
The longest I've left it was 10 minutes, but unlike when I've done successful flashes the progress bar doesn't move.
boys the bootloader is to high. G960FXXS2BRJ6 oreo & G960FXXU6CSGD pie. bootloader block the downgrade. only chance to get oreo back flash a custom rom! i do the same
Alex192088 said:
boys the bootloader is to high. G960FXXS2BRJ6 oreo & G960FXXU6CSGD pie. bootloader block the downgrade. only chance to get oreo back flash a custom rom! i do the same
Click to expand...
Click to collapse
Damn is there any way to downgrade the bootloader or trick it into running Oreo? How else would other people have downgraded as I'm assuming the bootloader version changed between Oreo and Pie.
nope sorry, only way is oreo custom rom. try tgp oero

Dont know what stock Firmware my phone needs

Good Morning,
So this is the story, I was suddenly having issues with Cell service people were not hearing me I felt like I had to reset the phone and wipe it all so I thought I might as well ROOT it when it came to downloading the firmware I was a bit lost did not know what was the correct one was i threw out the box,
I flashed one but still have this cell issue I feel like its not using all the bands... I have Tmobile and I do not know if the issue is I am flashing wrong firmware.
So 2 questions
how would I know if I am flashing the correct firmware?
And how would I know if that is my issue ?
Please Someone Advise.
tzvblsm said:
Good Morning,
So this is the story, I was suddenly having issues with Cell service people were not hearing me I felt like I had to reset the phone and wipe it all so I thought I might as well ROOT it when it came to downloading the firmware I was a bit lost did not know what was the correct one was i threw out the box,
I flashed one but still have this cell issue I feel like its not using all the bands... I have Tmobile and I do not know if the issue is I am flashing wrong firmware.
So 2 questions
how would I know if I am flashing the correct firmware?
And how would I know if that is my issue ?
Please Someone Advise.
Click to expand...
Click to collapse
I would test another carrier first, or the same carrier in another area. Also test with different people in different areas. This is most often an issue on the carrier side, not the device.
So my advice: make sure your issue is the device. Only after that we can talk about flashing another ROM.
Thanks @arsradu for your quick reply Its definitely not the carrier I just am not sure what the problem is, I was thinking each firmware has its own optimizations for the bands it should use,
I bought it on amazon USA
And currently flashed
TROIKA_RETAIL_10_QSBS30.62-17-13_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml
I tried using LMSA to restore my phone to factory settings and it gives me an error I wish I can just go back to stock clean.
tzvblsm said:
Thanks @arsradu for your quick reply Its definitely not the carrier I just am not sure what the problem is, I was thinking each firmware has its own optimizations for the bands it should use,
I bought it on amazon USA
And currently flashed
TROIKA_RETAIL_10_QSBS30.62-17-13_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml
I tried using LMSA to restore my phone to factory settings and it gives me an error I wish I can just go back to stock clean.
Click to expand...
Click to collapse
Assuming you bought a US model, which works on all major carriers, your version should be RETUS.
With the bat file that was provided here in the forum, you should be able to fast boot flash it.
tzvblsm said:
Thanks @arsradu for your quick reply Its definitely not the carrier I just am not sure what the problem is, I was thinking each firmware has its own optimizations for the bands it should use,
I bought it on amazon USA
And currently flashed
TROIKA_RETAIL_10_QSBS30.62-17-13_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml
I tried using LMSA to restore my phone to factory settings and it gives me an error I wish I can just go back to stock clean.
Click to expand...
Click to collapse
It can be the ROM, as well. In my experience though it’s usually not the case.
Anyway, what’s your device model? Is it xt2013-4? Did you make a backup of your original ROM so you can restore it later on?
Also, what is the error you get when trying to use LMSA to restore?
Yes my model number is xt2013-4 no i did not make a backup I uploaded a screenshot of the error message. and I guess I will try reatilUS I tried the simple retail option the last one not sure what retail and retail us differences are,
https://imgur.com/17b3ltY
tzvblsm said:
Yes my model number is xt2013-4 no i did not make a backup I uploaded a screenshot of the error message. and I guess I will try reatilUS I tried the simple retail option the last one not sure what retail and retail us differences are,
https://imgur.com/17b3ltY
Click to expand...
Click to collapse
RETUS with the above linked bat has worked fine for a XT2013-04 I have worked with, I assume it would with yours too :good:
I cannot speak to the assistant error though, never used it...
Side note: don't forget to add the code line for the 10th chunks to the bat.
Does Any one know what are the differences between Firmware's that are made for this phone ? for example
AMZ
Retail
Reatus
tzvblsm said:
Does Any one know what are the differences between Firmware's that are made for this phone ? for example
AMZ
Retail
Reatus
Click to expand...
Click to collapse
AMZ is the Amazon Ads model,
Retail can be US retail with different bands.
Retus is what I flashed in the past on a US phone that worked with all 4 carriers and it never had any issues.

Just bought a new G8 AT&T LM-G820UM, G820UM10m. Best way forward?

Hi, I need some support.
Last week I bought a 'new ' G8 AT&T, unlocked phone, that will replace my beloved G7.
The G8 seems to work ok with my operator, here in Sweden.
It has Android 9, and the software version is G820UM10m.
I would like to get a newer android version and get rid of everything AT&T.
I have just read the guide "[Tutorial] Crossflash, Bypass OPID Mismatched Error", but not all the 64 pages.
My questions, before I begin my adventure:
Is this guide the most suitable for me, or are there newer better ways?
Which version of firmware is the best option for me, considering where I live, and my phones current state ? (From what I have read so far, LM-G820QM should be a good option.)
Which Android version is the best option for my phone? Should/Can I go for the latest version straight away?
Is the best source of firmwares https://lg-firmwares.com or where do you find get your firmwares from?
Thanks!
Lakritssmurfen said:
Hi, I need some support.
Last week I bought a 'new ' G8 AT&T, unlocked phone, that will replace my beloved G7.
The G8 seems to work ok with my operator, here in Sweden.
It has Android 9, and the software version is G820UM10m.
I would like to get a newer android version and get rid of everything AT&T.
I have just read the guide "[Tutorial] Crossflash, Bypass OPID Mismatched Error", but not all the 64 pages.
My questions, before I begin my adventure:
Is this guide the most suitable for me, or are there newer better ways?
Which version of firmware is the best option for me, considering where I live, and my phones current state ? (From what I have read so far, LM-G820QM should be a good option.)
Which Android version is the best option for my phone? Should/Can I go for the latest version straight away?
Is the best source of firmwares https://lg-firmwares.com or where do you find get your firmwares from?
Thanks!
Click to expand...
Click to collapse
Lots of questions. The best version would be the most current version that has the support for the carriers in your area. Only you can decide that, sometimes we change which rom to use when we switch carriers. So, it would be best to find an 'open' version (QM) that also supports the needed bands for carrier.
And of course, the open versions have much less carrier specific 'bloatware'.
That guide is not only the best, it's the only So yes, that's what you follow. That site for firmware is good, there may be others, it's been a while for me. I'd suggest to do a full phone firmware backup before proceeding with anything. There are quite a few partitions you want a copy of, so rather than risk a mistake of forgetting one, just backup the entire device, completely.
then you can proceed without fear of being able to 'get back to original'. Good luck.
Thank you for your reply!
Good that it was the "one and only" guide
Last night I spent some hours trying to get things right.
I took a tiny step (since I didn't know better) and tried to replace my G820UM10m (AT&T, Android 9) with a G820QM20f version (US open Android 10) that I found.
Now I have don't have the AT&T bloatware anymore, but my phone says it has software version G820UM20f , and NOT G820QM20f .
I was hoping it would be QM, with as many bands as possible unlocked.
As it is right now it seems to be a bit "so so" with internet connection when I'm not on Wifi, so I need to solve that somehow before I can start using the phone for real.
(When I tried to install, it did go to a "fastboot" menu before I got it to "download mode". Maybe that wasn't so good..)
On the pages here there is a lot of information.. and I need to read up a bit more about it. And I might ask silly questions again
Thanks again!
Lakritssmurfen said:
Thank you for your reply!
Good that it was the "one and only" guide
Last night I spent some hours trying to get things right.
I took a tiny step (since I didn't know better) and tried to replace my G820UM10m (AT&T, Android 9) with a G820QM20f version (US open Android 10) that I found.
Now I have don't have the AT&T bloatware anymore, but my phone says it has software version G820UM20f , and NOT G820QM20f .
I was hoping it would be QM, with as many bands as possible unlocked.
As it is right now it seems to be a bit "so so" with internet connection when I'm not on Wifi, so I need to solve that somehow before I can start using the phone for real.
(When I tried to install, it did go to a "fastboot" menu before I got it to "download mode". Maybe that wasn't so good..)
On the pages here there is a lot of information.. and I need to read up a bit more about it. And I might ask silly questions again
Thanks again!
Click to expand...
Click to collapse
You're welcome, no worries. First I'd say just because it went to fastboot before download mode, don't worry, that's nothing.
2nd, it's not uncommon for the 'info' page to be a bit off, it gets that info from different sources, and some of them don't get updated during this process. It's not uncommon for that info to be 'off'.
The best way to determine if you have the bands needed for your carrier is to install and app from playstore that tells you which bands you're connected to, one I remember is called 'lte discovery', but there are many to choose from.
You might want to consider traveling around a bit to see which bands are available and where, bands like t-mo 71 are towards the outer parts of the town I was in.
good luck, it's fun.
AsItLies said:
You're welcome, no worries. First I'd say just because it went to fastboot before download mode, don't worry, that's nothing.
2nd, it's not uncommon for the 'info' page to be a bit off, it gets that info from different sources, and some of them don't get updated during this process. It's not uncommon for that info to be 'off'.
The best way to determine if you have the bands needed for your carrier is to install and app from playstore that tells you which bands you're connected to, one I remember is called 'lte discovery', but there are many to choose from.
You might want to consider traveling around a bit to see which bands are available and where, bands like t-mo 71 are towards the outer parts of the town I was in.
good luck, it's fun.
Click to expand...
Click to collapse
Thank you for taking some of the stress off my shoulders .
I will try the app and see if I can find out which bands that are in use here.
My plan now is to crossflash "G820QM40a...." that I just downloaded.
I haven't reached the "fun" yet, but when I get the hang of it I guess I can enjoy it more
Lakritssmurfen said:
Thank you for your reply!
Good that it was the "one and only" guide
Last night I spent some hours trying to get things right.
I took a tiny step (since I didn't know better) and tried to replace my G820UM10m (AT&T, Android 9) with a G820QM20f version (US open Android 10) that I found.
Now I have don't have the AT&T bloatware anymore, but my phone says it has software version G820UM20f , and NOT G820QM20f .
I was hoping it would be QM, with as many bands as possible unlocked.
As it is right now it seems to be a bit "so so" with internet connection when I'm not on Wifi, so I need to solve that somehow before I can start using the phone for real.
(When I tried to install, it did go to a "fastboot" menu before I got it to "download mode". Maybe that wasn't so good..)
On the pages here there is a lot of information.. and I need to read up a bit more about it. And I might ask silly questions again
Thanks again!
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Hi Lakritssmurfen.
After Crossflash, dose your LG G8 get any OTA update?
mr.2501 said:
Hi Lakritssmurfen.
After Crossflash, dose your LG G8 get any OTA update?
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Hi,
Nah.. Right now my mobile has "T-mobile" firmware-
It has tried to update, but fails without any failure message.
It might be that I am in Sweden, using a Swedish sim/operator.
I wouldn't draw any conclusions based on my situation
Lakritssmurfen said:
Hi,
Nah.. Right now my mobile has "T-mobile" firmware-
It has tried to update, but fails without any failure message.
It might be that I am in Sweden, using a Swedish sim/operator.
I wouldn't draw any conclusions based on my situation
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Hi Lakritssmurfen.
Thank foy your update.
Can you try to upgrade it with LG bridge.
mr.2501 said:
Hi Lakritssmurfen.
Thank foy your update.
Can you try to upgrade it with LG bridge.
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It fails. It can't read my current version, according to the error message.
I have crossflashed my mobile multiple times now, so I am not surprised that LG Bridge is confused.
Lakritssmurfen said:
It fails. It can't read my current version, according to the error message.
I have crossflashed my mobile multiple times now, so I am not surprised that LG Bridge is confused.
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Thank you very much.
Just flash my G8 AT&T version (android 9) to Canada version (android 12).
All funtions work fine. I downloaded ROM here: https://lgrom.com/
Thank you very much!

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