Database Users

Galaxy Note Edge Korean Users Thread

Hey guys, I've bought a Galaxy Note Edge on SKT (SK Telecom) and it's quite amazing so far! I'm creating a thread since it's hard to find information about Korean devices here at XDA.
Be careful, though; as I've heard it costs 430,000 Korean Won if the Edge screen is broken! Thats about 400 dollars!
Linking ClockWorkMod Recovery (CWM) for SK and KT variants.
http://forum.xda-developers.com/not...15s-n9150-cwm-based-recovery-6-0-5-1-t2954960
And CF-Auto-Root (SK works but not sure on KT and LGU+):
http://download.chainfire.eu/618/CF-Root/CF-Auto-Root/CF-Auto-Root-tbelteskt-tbelteskt-smn915s.zip

techcaptain said:
Hey guys, I've bought a Galaxy Note Edge on SKT (SK Telecom) and it's quite amazing so far! I'm creating a thread since it's hard to find information about Korean devices here at XDA.
Linking ClockWorkMod Recovery (CWM).
http://forum.xda-developers.com/not...15s-n9150-cwm-based-recovery-6-0-5-1-t2954960
Click to expand...
Click to collapse
Just ordered my S as well. Will be here monday so excited!

tospace2006 said:
Just ordered my S as well. Will be here monday so excited!
Click to expand...
Click to collapse
Niceee Hope to upload some screenshots and photos soon with my Edge

Here's a photo of it (not yet activated - only have the phone for now )
EDIT: Got it activated.
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I also have this version...I prefer it over the Snapdragon version.

This is the layout I've spent the last 2 years perfecting so that I can one hand big phones like my G3 comfortably.
Nova launcher is rumored to come with support for edge at some point but my guess is it won't be before I end up moving on from this phone.
I will have to finally ditch this layout thanks to touchwiz but still very excited to have a "second screen" and I feel like a dedicated side panel might open up some more efficient layout.
The dream would be have this layout along with edge support that was also easily customizable. Nova makes it happen!
http://i.imgur.com/xJxobFz.png

Hi!
I also like it...
Here you have 2 screenshots of my N915S!
Jaf.

I am using Korean N915S model. Under settings/more network/mobile network , I noted DATA ROAMING is greyed out ?
Is this same in other countries phones too ?
Will this be auto ungrey and be allow to be select if I go over to another country ( I have oversea data roaming enabled)
Thanks

Hi,I'm actually in Vietnam and mine is not grey... But I can't tell you if it is because I'm in another country or because one of the modification I did on my rom!
Sent from my SM-N915S using XDA Free mobile app

jafangie said:
Hi!
I also like it...
Here you have 2 screenshots of my N915S!
Jaf.
Click to expand...
Click to collapse
How did you remove the Korean text on your phone dealer? Can you please share?

Hi,
I used 4 files from N910C to replace those of N915S...
SecTeleService.apk
SecContacts_Note.apk
SecContactsProvider.apk
SecDownloadProvider.apk
I extracted everything using ArchiKitchen...
I also decompile SecSettings.apk from N910C and change files of N915S before recompile using apktool.
But between us, the most difficult was to find the way to recuperate icon G, E, H and H+ instead of 3G (korean use only 3G icon!).... I still don't know if icon LTE/4G works because, here, in Vietnam we don't have it...
I made my own new rom... But It is difficult for me to share it, because firstly, I used work of lot of people (most of xda) and cannot give credit to them (I don't remember where I took all information). Secondly because I did it for my personnal use and I don't know if there is some bug!
Jaf.

I'm thinking of rooting it since I got it activated now.
Hm

jafangie said:
Hi,
I used 4 files from N910C to replace those of N915S...
SecTeleService.apk
SecContacts_Note.apk
SecContactsProvider.apk
SecDownloadProvider.apk
I extracted everything using ArchiKitchen...
I also decompile SecSettings.apk from N910C and change files of N915S before recompile using apktool.
But between us, the most difficult was to find the way to recuperate icon G, E, H and H+ instead of 3G (korean use only 3G icon!).... I still don't know if icon LTE/4G works because, here, in Vietnam we don't have it...
I made my own new rom... But It is difficult for me to share it, because firstly, I used work of lot of people (most of xda) and cannot give credit to them (I don't remember where I took all information). Secondly because I did it for my personnal use and I don't know if there is some bug!
Jaf.
Click to expand...
Click to collapse
Wow looks complicated to work on this on my own. It would be nice to test your rom.
Let us know if you wish to have any testers.

Can your rom use for korean 915k?
Sent from my SM-T705 using XDA Free mobile app

MCube74 said:
How did you remove the Korean text on your phone dealer? Can you please share?
Click to expand...
Click to collapse
I would like to hear the answer as well...

Earlier this year when I was using the Samsung G906S (Galaxy S 5) there was a batch file created to remove the Korean Text from the dialer.
Can a similar thing be created for the Galaxy Note Edge N915S?
Check out the details here:
http://forum.xda-developers.com/galaxy-s5/development/galaxy-s5-g906-custom-rom-t2848569

jafangie said:
Hi,
I used 4 files from N910C to replace those of N915S...
SecTeleService.apk
SecContacts_Note.apk
SecContactsProvider.apk
SecDownloadProvider.apk
I extracted everything using ArchiKitchen...
I also decompile SecSettings.apk from N910C and change files of N915S before recompile using apktool.
But between us, the most difficult was to find the way to recuperate icon G, E, H and H+ instead of 3G (korean use only 3G icon!).... I still don't know if icon LTE/4G works because, here, in Vietnam we don't have it...
I made my own new rom... But It is difficult for me to share it, because firstly, I used work of lot of people (most of xda) and cannot give credit to them (I don't remember where I took all information). Secondly because I did it for my personnal use and I don't know if there is some bug!
Jaf.
Click to expand...
Click to collapse
I just haven't had time to look into it, but looks like you saved me some time.
I will look at adding it to SkyHigh ROM as Aroma installer option and test connectivity functions.
Thanks for sharing

Take your time UpInTheAir.
You are doing a fine job for us N915S users. Thanks.
Looking forward to an update.

To upIntheair,
If you need, I can send you the files... already modified.
Or I plan to arrange the rom on Sunday and to propose it for testing to everybody, but only on Sunday...Now I am to busy.
Have a nice day!

jafangie said:
To upIntheair,
If you need, I can send you the files... already modified.
Or I plan to arrange the rom on Sunday and to propose it for testing to everybody, but only on Sunday...Now I am to busy.
Have a nice day!
Click to expand...
Click to collapse
If you can please send me the unmodified .apk and .odex files.
I would prefer to de-odex and zipalign myself. I have LTE when i go out from home, so can test that.
@jafangie
EDIT1: Sorry, got impatient (want to get back to kernel). Downloaded the whole N910 firmware and did it myself, testing now. haven't replaced any pngs though. Will report in this post. Lets see if any FC ..........
Edit2: All works well, BUT, cannot get moile data. APN is good and settings etc. Toggle switches,, no data. Will try full system wipe and flash zip immediatley after ROM
Edit3: Forgot to mention I used N910CXXU1ANK5 apk's. Still no good after full wipe. Tried also with new files inside full ROM install and setup. Checked APN etc and with the various network types ie GSM only >> LTE.... auto
What exact firmware did you extract the files from ?

Note 5 Marshmallow Update

http://www.sammobile.com/2016/02/03...ng-out-to-some-galaxy-note-5-units-in-the-us/ Happy Note5 Users

Was about to post that too it seems it is only for AT-T atm, but i hope someone will share the firmware so we can flash. also why beta now? Note 5 should get operational Android 6.0.1 this month.

Derpling said:
Was about to post that too it seems it is only for AT-T atm, but i hope someone will share the firmware so we can flash. also why beta now? Note 5 should get operational Android 6.0.1 this month.
Click to expand...
Click to collapse
Relax and don't expect that much
MM must require new bootloader and likely we can not expect using AT&T bootloader on out international variant (Otherwise we have MM for N920T since months now)
Also there is obstacle in development till samsung release new source code otherwise PA* firmware don't allow old recovery/kernel on base bootloader.

As an AT&T customer using an international Note 5 (920i), I'm completely shocked that AT&T has even begun beta testing this before July of this year. In truth, based on AT&T's track record, I wouldn't expect their note5 variant to official receive "M" until at least October - around the same time as Verizon customers.

Hopefully someone can pull the image and we can flash it!
Sent from my SM-N920V using Tapatalk

I have the update for AT&T. If anyone would be willing to walk me through it, I could try pulling the image.

kcodya said:
I have the update for AT&T. If anyone would be willing to walk me through it, I could try pulling the image.
Click to expand...
Click to collapse
What's the performance like?smoother....snappier?
Sent from my SM-N920C using Tapatalk

Seems snappier to me. Touchwiz uses a lot less memory now. Not sure about the battery life since it's been less than 24 hours.

If you get a chance could you post some further thoughts after using it for a day or so. thanks.
Sent from my SM-N920C using Tapatalk

kcodya said:
I have the update for AT&T. If anyone would be willing to walk me through it, I could try pulling the image.
Click to expand...
Click to collapse
How did you get the AT&T update? Share-able?

You could try this:
research.net/r/BXSDVL6

kcodya said:
Seems snappier to me. Touchwiz uses a lot less memory now. Not sure about the battery life since it's been less than 24 hours.
Click to expand...
Click to collapse
What makes you think that TW is using less memory? There are a LOT of misconceptions about memory use in android, and having more "free" memory is usually a BAD thing (as it means things are getting needlessly terminated.)

Before the update, the TW launcher was using around 130 MB according to "Running services", after it's using around 33 MB. The Samsung keyboard was using around 60MB before and 20 MB after.

this rom loading to n920c ?
Note 5 SM-N920C Cihazimdan Tapatalk kullanilarak gonderildi

rock336 said:
this rom loading to n920c ?
Note 5 SM-N920C Cihazimdan Tapatalk kullanilarak gonderildi
Click to expand...
Click to collapse
No, this was released for the AT&T variant of the note 5...

Ashatar said:
No, this was released on the AT&T variant of the note 5...
Click to expand...
Click to collapse
I guess too much we'il wait
Note 5 SM-N920C Cihazimdan Tapatalk kullanilarak gonderildi

Hope the Canadian bell version gets the update sooner then later
☺
Sent from my SM-N920W8 using XDA Premium HD app

Before this gets out of hand which it somewhat already has.
YOU CANNOT FLASH THIS UNLESS YOUR DEVICE IS ATT! Just like the T-mobile one, you cannot flash unless you are AT&T!!!!!
Sent from my SM-N920T using Tapatalk

Has things changed since the old days of pulling the update.zip? If not why hasn't there been an upload anywhere yet? On ATT and anxious to try.

Ok guys i will tell u my experience with mm for installing it on my s6
I was on beta tester stage so i tested b1 ( 6.0 ) & b2 ( 6.0.1 )
Now ::
U can run any n5 mm fw on ur n5 even the usa one but u need at least mm bootloader & kernel then definitely u can install it on ur n5 , yesterday play with official mm for s6e korean one & just got it working on my international one by simply on i got from there system then flash it with beta bl & kernel & booted normally ..
So if u have bl & kernel of mm then u can install it other this just don't waste ur time guy's ...
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S6 Edge+ Roms working on Note 5

I wanted to flash something new after trying all MM roms on my note 5 920G. A small thought ateuck to my mind to flash s6E+ rom to see what would happen. I downloaded the rom took all my backups and i was ready to flash. I was also scared knowing that maximum it would just aoft brick the device that is that is what max could happen to my lovely note 5.
Made sure modem and boot filea are not inside the rom zip, Pushed the rom performed nand backup, flashed the rom and flashed the sky high kernel for note 5. Now it was time to revoot the device. My heart was pumping to see what would happen kept my fingers crosses and wanted the device to bootup.
To my surprise first boot was bootloop and it aut rebooted and i waited paite tly for 10mins. After that i saw welcome screen and j was ery happy that s6e+ roms are working fine.
Below are few screenshots.
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No fc so far eveeything smooth.
Will repoet back if any issues found. Calls working, wifi working, s7 edge working all is good ao far.
I would request you guys also to tey and report back if any issues found and let me tey to fix them for you.
Thanks
Air command is currently not working
Let me try pulling some Apks and pushing them here to see If we can get it to work.
Sent from my SM-G928C using Tapatalk

That's awesome, but how does a different device's rom work with you, and a same device's rom "different variance" on my device I couldn't get the carrier network to function at all!?

MagnumPOS said:
That's awesome, but how does a different device's rom work with you, and a same device's rom "different variance" on my device I couldn't get the carrier network to function at all!?
Click to expand...
Click to collapse
My is an international Device so I've no issues on running the ROM with any carrier including my 4G is working fine.

I thought people knew about this already, I used to use the Lollipop S6 Edge Plus ROM base because they used to get more frequent updates

Battlehero said:
I thought people knew about this already, I used to use the Lollipop S6 Edge Plus ROM base because they used to get more frequent updates
Click to expand...
Click to collapse
Not many knew about this and the 1 was me. BTW how did you manage to use spen??

aukhan said:
Not many knew about this and the 1 was me. BTW how did you manage to use spen??
Click to expand...
Click to collapse
I firstly needed to use a N920C kernel for the soft keys to function correctly, for the Spen features you required the Air command and Spen Apks and libs. The firmware of the two devices are almost identical so the features activate automatically after that. However I haven't tried it on Marshmallow.

Battlehero said:
I firstly needed to use a N920C kernel for the soft keys to function correctly, for the Spen features you required the Air command and Spen Apks and libs. The firmware of the two devices are almost identical so the features activate automatically after that. However I haven't tried it on Marshmallow.
Click to expand...
Click to collapse
Hmm i'll take a look.

Battlehero said:
I firstly needed to use a N920C kernel for the soft keys to function correctly, for the Spen features you required the Air command and Spen Apks and libs. The firmware of the two devices are almost identical so the features activate automatically after that. However I haven't tried it on Marshmallow.
Click to expand...
Click to collapse
Just flashed the Sixperience s7 Port and it booted up fine Wifi is not turning on

aukhan said:
Just flashed the Sixperience s7 Port and it booted up fine Wifi is not turning on
Click to expand...
Click to collapse
Have you flashed a custom kernel? Like Sky-high or Googy?

Battlehero said:
Have you flashed a custom kernel? Like Sky-high or Googy?
Click to expand...
Click to collapse
tried both wifi not working may be because s6 edge drivers different from edge plus n note5

aukhan said:
tried both wifi not working may be because s6 edge drivers different from edge plus n note5
Click to expand...
Click to collapse
Could you link me the ROM? I'll have a look.

Battlehero said:
Could you link me the ROM? I'll have a look.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=3325879
Sent from my SM-N920C using Tapatalk

U should make a quick YouTube video for us to see it working. Im curious as to how smooth it runs and how well the edge apps run on the flat screen

How to Downgrade Samsung Galaxy Note FE (SM-N935F/DS) From Oreo 8.0 to Nougat 7.1.1

Hi All,
I am facing issue of signal loss in my brand new NOTE FE SM-N935F/DS and i am not sure if its due to update from Nougat 7.1.1 to Oreo 8.0.
because as soon as I opened the box after finishing with the initial settings I received update of Oreo 8 which I gladly did that. Unfortunately ever since I am facing this signal loss issue in all Technologies LTE/3G/2G
The Signal reception keeps fluctuating at times I have signal but after a while again same issue persists. It is really heart breaker as all the other features of the phone are working absolutely fine but main reason of phone is to receive calls which I am unable to do so.
Therefore I was thinking maybe if its a bug in new Oreo 8.0 so better try going back to Nougat 7.1.1
As I am new at this Please share the links from where to download genuine Samsung Note 7.1.1 firmware with step by step procedure as how to downgrade it to Nougat 7.1.1 or 7.0 which is bug free would be great of you.
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engg.ali said:
Hi All,
I am facing issue of signal loss in my brand new NOTE FE SM-N935F/DS and i am not sure if its due to update from Nougat 7.1.1 to Oreo 8.0.
because as soon as I opened the box after finishing with the initial settings I received update of Oreo 8 which I gladly did that. Unfortunately ever since I am facing this signal loss issue in all Technologies LTE/3G/2G
The Signal reception keeps fluctuating at times I have signal but after a while again same issue persists. It is really heart breaker as all the other features of the phone are working absolutely fine but main reason of phone is to receive calls which I am unable to do so.
Therefore I was thinking maybe if its a bug in new Oreo 8.0 so better try going back to Nougat 7.1.1
As I am new at this Please share the links from where to download genuine Samsung Note 7.1.1 firmware with step by step procedure as how to downgrade it to Nougat 7.1.1 or 7.0 which is bug free would be great of you.
Click to expand...
Click to collapse
You can downgrade using Odin. Find the Last Nougat Firmware from Samfirmware and load it up on Odin.
If you're new to flashing, modding, Watch a few YouTube Videos.

Did the issue fixed after you downgrade to nougat?.
I have same issue here on mobile network

You cant flash back to nougat, the BL version updated and samsung has blocked down grading it seems.
I cant even flash back to the July update from october , ive had LTE issues on the october update similar to the OP. But i can have fulls bars on LTE and get download speeds of 5 mbps and it should be well over 50 here and it was on the previous update

force70 said:
You cant flash back to nougat, the BL version updated and samsung has blocked down grading it seems.
I cant even flash back to the July update from october , ive had LTE issues on the october update similar to the OP. But i can have fulls bars on LTE and get download speeds of 5 mbps and it should be well over 50 here and it was on the previous update
Click to expand...
Click to collapse
This is really suck. What's your workaround for this issue? And aslo in my case the phone often showing no bar specially during stand by mode. Has the same happened in your case?

Balweels said:
This is really suck. What's your workaround for this issue? And aslo in my case the phone often showing no bar specially during stand by mode. Has the same happened in your case?
Click to expand...
Click to collapse
No I have full bars just really slow speeds.
Got another update last weekend which made things work better, they dont typically push out updates back to back so they may have been trying to fix it

force70 said:
You cant flash back to nougat, the BL version updated and samsung has blocked down grading it seems.
Click to expand...
Click to collapse
OP is still on binary 2 (according to screenshot). So downgrade to latest Nougat firmware is still possible. Only from binary 3 or 4 you cannot downgrade anymore.

treysis said:
OP is still on binary 2 (according to screenshot). So downgrade to latest Nougat firmware is still possible. Only from binary 3 or 4 you cannot downgrade anymore.
Click to expand...
Click to collapse
Dumb question:
Where do I find which binary I am on? I'm on firmware BRK2 on a new used F/DS

@koreanschoolkid N935FXXS4BRK2 -> XXS4 -> binary 4.
I think it is also shown when you boot into recovery.

treysis said:
@koreanschoolkid N935FXXS4BRK2 -> XXS4 -> binary 4.
I think it is also shown when you boot into recovery.
Click to expand...
Click to collapse
Thank you for the info. Unhappy news but at least I can put my dreams to rest now.

@koreanschoolkid why you wanna downgrade to Nougat? Upgrade to Pie, it is much improved!

treysis said:
@koreanschoolkid why you wanna downgrade to Nougat? Upgrade to Pie, it is much improved!
Click to expand...
Click to collapse
No doubt. I tried out the s10 and it was quite slick. I'm one of those weird luddites who saves apk out of fear of a bad ui change and thinks that 4.x was the pinnacle of android design.
Been fighting a losing battle against the future for years

@koreanschoolkid I found Marshmallow design much better. However, it's not only the design that changed. All what's going on in the background got much better. Yes, rooting now is no fun anymore, which is unfortunate. I really can only recommend to upgrade to Pie on NoteFE.

treysis said:
@koreanschoolkid I found Marshmallow design much better. However, it's not only the design that changed. All what's going on in the background got much better. Yes, rooting now is no fun anymore, which is unfortunate. I really can only recommend to upgrade to Pie on NoteFE.
Click to expand...
Click to collapse
Oh gosh. I have a N935K on Android 7 now but the darn thing can't make phone calls. Hooks into T-Mobile LTE just fine and I can hear the other guy but the other guy can't hear me. No winning for me it seems

I truly wish to downgrade from P to O coz I do rely a lot on split screen features which have been dumbed down on the P. I never knew P sucked really hard due to this. Also, the camera UI is too much like iPhones, I hate to swipe between photo and video mode. I've seen my other family members making mistakes due to this on their phones.

If you upgrade to the version of Pie with S4 bootloader you can go back to Oreo. If you went to S5 bootloader you are stuck on Pie. Check last 6 characters of your build number if it starts with U5 or S5 then there's no way back to Oreo.
Sent from my SM-N960U using Tapatalk

Android 11 decreased my SOT by close to 2 or 2.5 hours. Wanting to flash back to Android 10 (HELP)

So I just bought a used Galaxy s10 Plus on eBay. I was getting amazing battery life and great SOT but I was forced to download Android 11 by force update and now my SOT has gone down almost 2.5 hours from when it was previously running on Android 10. I despise having to deal with these issues even though its a used phone. On the SamMobile website I found the correct PDA G975U1UES5GUD1 but I can't find the CSC code on my phone and I am afraid I will flash the wrong firmware and damage the phone.
How can I Find the CSC code on my phone? The device is been used on Verizon prepaid via Red Pocket Mobile and its Factory GSM and CDMA unlocked. I would really appreciate any help I can get with this.
Thank you so much in advance.

Hello there, you are talking about the consumer software customization code right?

Keno_I said:
Hello there, you are talking about the consumer software customization code right?
Click to expand...
Click to collapse
I believe that is what is called. I am looking for this (Circled in Red) I am new to all the terminology but I have flashed my Old Galaxy s7 several years ago via Odin and Windows and had no issues. Thank you
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If you are you can find it by dialing *#1234# on the dial app. But i think it is VZW since you've said the carrier is Verizon.

Keno_I said:
If you are you can find it by dialing *#1234# on the dial app. But i think it is VZW since you've said the carrier is Verizon.
View attachment 5338573
Click to expand...
Click to collapse
I saw that before online but it didn't work. I just want to be sure I download the correct Firmware from the Sam Mobile website

Can you screenshot the service provider sw ver in about phone

Download Samsung Galaxy S10+ SM-G975U1 VZW USA (Verizon) firmware
All Samsung firmwares for Galaxy S10+ in USA (Verizon) with model code SM-G975U1. We offer free and fast download options. Check them out now.
www.sammobile.com
Seems like this is it since your carrier is Verizon. You are residing in the US, right?

EpicSurvivor said:
So I just bought a used Galaxy s10 Plus on eBay. I was getting amazing battery life and great SOT but I was forced to download Android 11 by force update and now my SOT has gone down almost 2.5 hours from when it was previously running on Android 10. I despise having to deal with these issues even though its a used phone. On the SamMobile website I found the correct PDA G975U1UES5GUD1 but I can't find the CSC code on my phone and I am afraid I will flash the wrong firmware and damage the phone.
How can I Find the CSC code on my phone? The device is been used on Verizon prepaid via Red Pocket Mobile and its Factory GSM and CDMA unlocked. I would really appreciate any help I can get with this.
Thank you so much in advance.
Click to expand...
Click to collapse
You won't damage your phone if they mismatch, probably only carrier settings would break

But the link I gave according to that you are having Verizon as the carrier and you are living in the US when you got force OTA update then it’ll match.

That's if you can go back.
Doesn't 11 update the boot loader version too?

Well yeah now that you mention it probably.

Hmm, but there should be a way of degrading the software even so.

blackhawk said:
That's if you can go back.
Doesn't 11 update the boot loader version too?
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If he uses Odin he can downgrade fine enough,
Unfortunately, I think he'll lose his data though.
I haven't downgraded from One UI 3.0 before since I only got a A21s.

Keno_I said:
If he uses Odin he can downgrade fine enough,
Unfortunately, I think he'll lose his data though.
I haven't downgraded from One UI 3.0 before since I only got a A21s.
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I'm still running Pie. It's what I've been seeing here about the 11 update updating the boot loader too. Maybe that's OTA upgrades only.
Not a concern of mine though.
Data loss is a given... at least be prepared for it.

Yeah, I agree since I'm still running 10 Idk really about bootloader changes from 10-11.
But if that's the case then Its probably impossible to downgrade without getting a bricked phone.

Doublecheck the bootloader version code of both versions of android so you don't brick your phone.

This is starting to sound too risky I do appreciate everyones help on this post honestly but at this point I am not going to risk messing up a $330 phone. But thank you all for making things clear.

EpicSurvivor said:
This is starting to sound too risky I do appreciate everyones help on this post honestly but at this point I am not going to risk messing up a $330 phone. But thank you all for making things clear.
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Well, you can wait for the fix then. Maybe Samsung will release a fix to solve that issue

Keno_I said:
Well, you can wait for the fix then. Maybe Samsung will release a fix to solve that issue
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Yeah hopefully thank you for your help tho. Appreciate it.

No problem, but if the kernel hasn't changed the ROM can be downgraded. If it has you can just take it to Samsung and ask them to downgrade for you.
My friend did that.