[HOW TO] VoLTE on Jio India - USA Snapdragon S7 S7edge - Samsung Galaxy S7 Edge Guides, News, & Discussion

New instructions dated Sept 15th 2018
No root needed.
Should work on all Snapdragon USA/Canada etc models (ATT , verizon, sprint, tmobile tc) S7 or S7edge (though the file is from S7edge India model). Leave a message in this thread if you encounter any issues.
Am not responsible for any damage you might do to your device.. am just trying to help.
Keep your Jio SIM in the phone all along.
1. Back up your data using Samsung smart switch or any other means (save whatsapp chats to google in settings)
2. Flash stock firmware (On unzipping stock FW, you'll get AP, CP,BL and CSC files. Use Odin to flash them) (Don't flash User data file if it's there in extracted files) - Download from Updato site for faster downloads
Use recommended patched Odin is located here
3. Download the Indian CSC file G935F_INSCSC
4. Ignore this step if you have adb working on your PC already.
Install "minimal ADB fastboot" program on PC, Copy the G935F_INSCSC.zip to your minimal ADB folder on computer (under program files on C drive).
Double click cmd-here.exe in that folder.
5. Boot the phone to recovery mode and choose Apply update via ADB sideload
6. Connect your phone to your computer with your USB cable.
7. On ADB window on PC type "adb devices" without quotes. Next line should show a device attached
If seen, type "adb sideload G935F_INSCSC.zip" without qoutes. It'll start transferring the file.. check mobile screen it'll install itself. (you might see some errors)
8. Reboot file and check, you should have Volte.
Possible errors:
1. Phone app/Msg app force closing
Try SMS app from google
Reflash AP BL CP only excluding CSC
Install CSC zip via adb again
2. Sprint OMADM app needs to be removed to avoid annoying notification or change notifications to low priority
To remove via ADB, turn on usb debugging
type in adb shell
you should see a dollar sign.
next type in pm uninstall -k --user 0 com.sec.omadmspr
it should say success.
ADB sideloading is explained in this video in the last https://youtu.be/giD7nP4Oue4
Old instructions have been deleted....
Thank you Proper vlog on youtube for testing my method and reporting.

Bro it will work on any coustom rom

Himan99 said:
Bro it will work on any coustom rom
Click to expand...
Click to collapse
This is only for USA S7E models being used in india on Jio.

Will you able to get OTA updates ?

nimms said:
For S7 edge :
Click to expand...
Click to collapse
I cant add any cards to my Samsung Pay after installing your package
And for S7 UFirm_INS_Hybrid_NoNaMe_PS_BS_Free_G930U_QE2_V2 zip
I see the device security been disabled and when i try to open it , it force closes . does this means Knox is disabled and thats why i am not able to add any cards in samsung pay ?
Can you please help? . I need to have samsung pay working ?
Is the CSC file you included only take care of Jio VoLTE or stuffs with all operators ? . I hear that Airtel is even testing VoLTE.

yakaaithiri said:
I cant add any cards to my Samsung Pay after installing your package
And for S7 UFirm_INS_Hybrid_NoNaMe_PS_BS_Free_G930U_QE2_V2 zip
I see the device security been disabled and when i try to open it , it force closes . does this means Knox is disabled and thats why i am not able to add any cards in samsung pay ?
Can you please help? . I need to have samsung pay working ?
Is the CSC file you included only take care of Jio VoLTE or stuffs with all operators ? . I hear that Airtel is even testing VoLTE.
Click to expand...
Click to collapse
I've only tested till login. Tried to add card after reading your comment. I too had connection error. I've only changed CSC in that file. US guys didn't have any issues it seems.
I can't open some pages on spay too.. not sure if it's related to Samsung servers or our device. I'll check later.
If it were related to knox issue, it won't even let you login. (Like on a rooted device).
VoLTE is related to CSC and device model. So it should work with airtel too. Lets see.

nimms said:
I've only tested till login. .
Click to expand...
Click to collapse
Thanks for letting me know.
I will also try with a clean install of the system without removing any bloats and check.
You also try and keep posted. If you want me to try something on this , let me know.
BTW , do you have the latest csc files for india thats ODIN flash-able ?
Also will it be an issue because of the samsung pay framework. I hrd that it need Indian framework and India spay app for successful adding of our cards.
Do you have any idea as how to bring spay India framework to this rom ?

Thank you for the input man.
I just wonder if the CSC is CPU dependent? Since I want to modify it with a CSC for HongKong, I am not sure if it matters for Exynos / Snapdragon rom.
Or would you mind help me to modify the file with Hong Kong CSC for me? thank you very much!

cn2661 said:
Thank you for the input man.
I just wonder if the CSC is CPU dependent? Since I want to modify it with a CSC for HongKong, I am not sure if it matters for Exynos / Snapdragon rom.
Or would you mind help me to modify the file with Hong Kong CSC for me? thank you very much!
Click to expand...
Click to collapse
CSC is not dependent on processor as long as it's flashed via twrp/flashfire as a zip. But odin flashing is different.
So, which is your device? if it's SM-G935F/FD/K/L/S/W8 then use https://forum.xda-developers.com/s7-edge/development/utility-flashable-csc-selection-30-t3392957 TGY is in that zip.
If your's is a snapdragon, i'll help.

nimms said:
CSC is not dependent on processor as long as it's flashed via twrp/flashfire as a zip. But odin flashing is different.
So, which is your device? if it's SM-G935F/FD/K/L/S/W8 then use https://forum.xda-developers.com/s7-edge/development/utility-flashable-csc-selection-30-t3392957 TGY is in that zip.
If your's is a snapdragon, i'll help.
Click to expand...
Click to collapse
Thanks for the reply my friend.
Mine is a Snapdragon US AT&A variant, G935A on 935U Firmware.

Hong Kong TGY CSC for S7 S7E or S8 S8+ USA variants
cn2661 said:
Thanks for the reply my friend.
Mine is a Snapdragon US AT&A variant, G935A on 935U Firmware.
Click to expand...
Click to collapse
You need to follow the same procedure as india but with your CSC specific zip... UFirm_TGY_Hybrid_QE2_V3
Please report after testing. Hit thanks if it works. Again credits to the original zip creator.. i just modified it.

nimms said:
You need to follow the same procedure as india but with your CSC specific zip... UFirm_TGY_Hybrid_QE2_V3
Please report after testing. Hit thanks if it works. Again credits to the original zip creator.. i just modified it.
Click to expand...
Click to collapse
Thank you so much!!!
I will download the file first and give it a try at weekend.:laugh:
*So basically, If I just want VOLTE and want to keep ROOT (i.e. not needing the NoNaMe Modifications), I just need to flash the TGY Mod pack as instructed?

cn2661 said:
Thank you so much!!!
I will download the file first and give it a try at weekend.:laugh:
*So basically, If I just want VOLTE and want to keep ROOT (i.e. not needing the NoNaMe Modifications), I just need to flash the TGY Mod pack as instructed?
Click to expand...
Click to collapse
Just try flashing without wipes in aroma.

Hello! does anyone have odin Indian csc file .

nimms said:
Just try flashing without wipes in aroma.
Click to expand...
Click to collapse
Hi, I just did as what was instructed.
After I have gone throught the Auroma screen, having checked No Wiping and Keep SU, ticked what to debloat,
it says finished and restarted.
1. When it was rebooting, it keep popping up com.sec.epdg has stopped, IMS Service stopped.
Is that normal or what else should I do?
2. I also noticed the modified file for India is over 500mbs, but the TGY file for Hong Kong is just 153mb.
Is everything alright about that?
3. When I try to Odin a stock G935U firmware wiping everything, it turns into Olympic Edition Theme, and I lost my IMEI , cannot detect a Sim. There is no way for me to get it working again
thank you again.

cn2661 said:
Hi, I just did as what was instructed.
After I have gone throught the Auroma screen, having checked No Wiping and Keep SU, ticked what to debloat,
it says finished and restarted.
1. When it was rebooting, it keep popping up com.sec.epdg has stopped, IMS Service stopped.
Is that normal or what else should I do?
2. I also noticed the modified file for India is over 500mbs, but the TGY file for Hong Kong is just 153mb.
Is everything alright about that?
3. When I try to Odin a stock G935U firmware wiping everything, it turns into Olympic Edition Theme, and I lost my IMEI , cannot detect a Sim. There is no way for me to get it working again
thank you again.
Click to expand...
Click to collapse
1.Edge closing might happen on first boot. did it FC even after a restart?
2.India file had S8 apps and Google play apps and your file did not.
3.Olympic theme could be a default for your CSC and please flash Your region CP file or U version CP file and see about that IMEI issue. if all fails, do a total clean flash of U firm with CSC and tick repartition in Odin. (not home csc)

nimms said:
3.Olympic theme could be a default for your CSC and please flash Your region CP file or U version CP file and see about that IMEI issue. if all fails, do a total clean flash of U firm with CSC and tick repartition in Odin. (not home csc)
Click to expand...
Click to collapse
Sigh, no luck
I been using various versions of Odin and Various version of Firmware, including MM and Nougat, G935A / T/ U,
Also I tried to tick Re-Partition, Wipe NAND.
I also even tried the INDIA CSC file on the OP and the original NoNaMe Mod file.
Still, it says SIM Card Not Available, IMEI Unknown, Baseband Unknown, No Network. It used to work fine before trying the TGY CSC.

cn2661 said:
Sigh, no luck
I been using various versions of Odin and Various version of Firmware, including MM and Nougat, G935A / T/ U,
Also I tried to tick Re-Partition, Wipe NAND.
I also even tried the INDIA CSC file on the OP and the original NoNaMe Mod file.
Still, it says SIM Card Not Available, IMEI Unknown, Baseband Unknown, No Network. It used to work fine before trying the TGY CSC.
Click to expand...
Click to collapse
Try samsung smartwitch emerrgency recovery mode once.

nimms said:
Try samsung smartwitch emerrgency recovery mode once.
Click to expand...
Click to collapse
Smartswitch detected my phone but says G935A is not supported.
Finally, I approached a phonedealer in China online.
He fixed my phone remotely via Teamviewer, and he said the Certificate of Modem/Baseband was corrupted. Since the Baseband gone missing which cannot be fixed by ordinary Odin of Firmware.
I saw him used some kind of unofficial software (characters illegible to me) and got it fixed in 2 minutes, and was luckily costed me only 220RMB (around 30USD)
Well, a good lesson to learn from. There are really something not fixable by Odin and we could Eff our phone up even with the bootloader locked.
Again, it was just me requesting the OP to modify the file for me to satisfy my curiousity who happily did me a favour, there is nothing to blame with and I thank you again for all the help!
Cheers!

cn2661 said:
Smartswitch detected my phone but says G935A is not supported.
Finally, I approached a phonedealer in China online.
He fixed my phone remotely via Teamviewer, and he said the Certificate of Modem/Baseband was corrupted. Since the Baseband gone missing which cannot be fixed by ordinary Odin of Firmware.
I saw him used some kind of unofficial software (characters illegible to me) and got it fixed in 2 minutes, and was luckily costed me only 220RMB (around 30USD)
Well, a good lesson to learn from. There are really something not fixable by Odin and we could Eff our phone up even with the bootloader locked.
Again, it was just me requesting the OP to modify the file for me to satisfy my curiousity who happily did me a favour, there is nothing to blame with and I thank you again for all the help!
Cheers!
Click to expand...
Click to collapse
Sorry about that but the file will touch only CSC part. not basebands/modem. I've re-checked the zip too.
Not sure what happened.. I could even flash Exynos CSC file via flashfire on Snapdragon. No damage at all.
May be am just lucky.

Related

[Q] Firmware change unsuccessful

I bought my S6 in Colombia although I live in Panama. It is the SM-G920I.
I found that a Panama app I wanted to install would not install because it said the country was wrong. I guess that may be something to do with the CSC. I had naively assumed the phones in Colombia would be the same as the phones available in Panama. I now see from Sammobile that there are different firmwares for Colombia and Panama. So I downloaded the Panama firmware and installed it with Odin. Odin did its stuff and said that the installation was successful. Both firmwares are 5.0.2.
However, when the phone rebooted it was exactly the same as before and PhoneInfo still shows it as having the Colombian firmware. The only change was that I lost my Pingpong root.
Sorry for the long explanation but what have I done wrong? How can I get the Panama firmware on the phone?
TIA
norm
norm2002 said:
I bought my S6 in Colombia although I live in Panama. It is the SM-G920I.
I found that a Panama app I wanted to install would not install because it said the country was wrong. I guess that may be something to do with the CSC. I had naively assumed the phones in Colombia would be the same as the phones available in Panama. I now see from Sammobile that there are different firmwares for Colombia and Panama. So I downloaded the Panama firmware and installed it with Odin. Odin did its stuff and said that the installation was successful. Both firmwares are 5.0.2.
However, when the phone rebooted it was exactly the same as before and PhoneInfo still shows it as having the Colombian firmware. The only change was that I lost my Pingpong root.
Sorry for the long explanation but what have I done wrong? How can I get the Panama firmware on the phone?
TIA
norm
Click to expand...
Click to collapse
You Need to download another firmware, i recommend to you to download the Trinidad And Tobago firmware, i tell you because latin america has csc codes for many countries but if your country does not have csc code it sets to latin american firmware because of your EFS Folder, if it doesnt work to you please download a firmware from France or Spain. if you doesnt want to lose pingpong root do not upgrade to a kernel made after 15 May 2015
Please do not upgrate to 5.1.1 Firmware it Sucks
kmiloxdxd said:
You Need to download another firmware, i recommend to you to download the Trinidad And Tobago firmware, i tell you because latin america has csc codes for many countries but if your country does not have csc code it sets to latin american firmware because of your EFS Folder, if it doesnt work to you please download a firmware from France or Spain. if you doesnt want to lose pingpong root do not upgrade to a kernel made after 15 May 2015
Please do not upgrate to 5.1.1 Firmware it Sucks
Click to expand...
Click to collapse
Thanks. I will give that a try. Would it be the CSC that is stopping the app I want from installing, saying it is the wrong country?
If so, is there an easier why just to change the CSC? I have done some searching but everything I've found seems to be quite old and probably not working for Lollipop.
norm2002 said:
Thanks. I will give that a try. Would it be the CSC that is stopping the app I want from installing, saying it is the wrong country?
If so, is there an easier why just to change the CSC? I have done some searching but everything I've found seems to be quite old and probably not working for Lollipop.
Click to expand...
Click to collapse
Try this to change your csc code:
1. type in the dialer *#06#, copy ur IMEI
2. type in the dialer *#272*IMEI HERE and add a #
IT WILL WIPE YOUR DATA
kmiloxdxd said:
Try this to change your csc code:
1. type in the dialer *#06#, copy ur IMEI
2. type in the dialer *#272*IMEI HERE and add a #
IT WILL WIPE YOUR DATA
Click to expand...
Click to collapse
Thanks but that doesn't work. I get Unknown Application. I think that doesn't work on the S6. I also tried using Phone Info to change the CSC but that also doesn't seem to be compatible with the S6 even though it shows my firmware is multi-CSC.
norm2002 said:
thanks but that doesn't work. I get unknown application. I think that doesn't work on the s6. I also tried using phone info to change the csc but that also doesn't seem to be compatible with the s6 even though it shows my firmware is multi-csc.
Click to expand...
Click to collapse
enter in recovery mode after flash in odin do not let to install csc files, it worked for me
kmiloxdxd said:
enter in recovery mode after flash in odin do not let to install csc files, it worked for me
Click to expand...
Click to collapse
Sorry but what do you mean do not let to install csc files? I did stop Odin auto-rebooting and went to recovery but that didn't seem to help. How do I stop it installing the wrong CSC files?
If I was willing to lose warranty now, would installing TWRP and maybe a custom ROM make it easier to change the CSC?
Thanks.
norm2002 said:
Sorry but what do you mean do not let to install csc files? I did stop Odin auto-rebooting and went to recovery but that didn't seem to help. How do I stop it installing the wrong CSC files?
If I was willing to lose warranty now, would installing TWRP and maybe a custom ROM make it easier to change the CSC?
Thanks.
Click to expand...
Click to collapse
I am stuck in BNG csc code and i cant change it because i need to Trip KNOX, but i changed my csc code From ING to BNG.
- When odin finish flashing if Auto-Reboot option is ticked, your samsung will reboot and it shows a Android robot instaling something and later says Erasing... you cant let this happen, untick auto reboot and you need to reboot your galaxy in recovery mode and it will show CSC Check Failed and you have to wipe data and shutdown your device and enter in download mode and reflash the firmware.It worked for me.
if you trip knox and you install twrp it will be easier because you can install a custom rom and change your csc code rooted.
kmiloxdxd said:
I am stuck in BNG csc code and i cant change it because i need to Trip KNOX, but i changed my csc code From ING to BNG.
- When odin finish flashing if Auto-Reboot option is ticked, your samsung will reboot and it shows a Android robot instaling something and later says Erasing... you cant let this happen, untick auto reboot and you need to reboot your galaxy in recovery mode and it will show CSC Check Failed and you have to wipe data and shutdown your device and enter in download mode and reflash the firmware.It worked for me.
if you trip knox and you install twrp it will be easier because you can install a custom rom and change your csc code rooted.
Click to expand...
Click to collapse
Thanks for all the advice. I am away for a few days so cannot risk reflashing my phone until I get back home. Will try again then.

Successful flash of SM-G920F - Anyone

OK, no matter what method I try I am unable to achieve a successful flash of my phone. I have tried it via odin with many different firmware versions but all seem to fail almost immediately. The only way to resolve this is to use samsung switch and reset phone to stock. The problem is stock firmware is german vodafone full of vodafone bloatware, I want to get rid of it and flash a UK unbranded firmware but no matter what I do I am unable to achieve this. I can see from the forum that there are many people out there with the same flashing problem but with no real responses on how to achieve the goal. There must be people out there that have achieved this task but don't seem to be offering up much help?
ok
sinbrad said:
OK, no matter what method I try I am unable to achieve a successful flash of my phone. I have tried it via odin with many different firmware versions but all seem to fail almost immediately. The only way to resolve this is to use samsung switch and reset phone to stock. The problem is stock firmware is german vodafone full of vodafone bloatware, I want to get rid of it and flash a UK unbranded firmware but no matter what I do I am unable to achieve this. I can see from the forum that there are many people out there with the same flashing problem but with no real responses on how to achieve the goal. There must be people out there that have achieved this task but don't seem to be offering up much help?
Click to expand...
Click to collapse
Is your phone international unlocked out of the box? I dont believe it was, because as far as I've read international unlocked phones come with "unbranded" firmware. The unlocked ones I know can be pretty much flashed with "any" international firmware, which is what you are trying to do.
If you dont know for sure. Odin the stock German Vodaphone. Let the phone boot. Boot back to stock recovery, then factory reset and clear cache.
Then let the phone boot...Download phone info app by vndnguyen (free version is fine)...Open the app, go to CSC Code tab. Then that will tell you the active CSC code and your firmware CSC code...you are looking for the line that says Available CSC Codes. If it only lists German Vodaphone (VD2), then I believe you are stuck til the phone is unlocked.
Anyone, jump in here if I'm mistaken. I am using this as reference as, I've checked my G920F. Mine is unlocked tho and I can flash any firmware from any region with no problem. Hopefully I've answered your question.
I had no luck with the firmwares on the firmware page either.
If you are on OI9 check http://forum.xda-developers.com/galaxy-s6/general/guide-android-6-0-marshmallow-beta-how-t3277533
And try flashing the first stock firmware https://drive.google.com/folderview...sharing&tid=0B40ItdHKfkyQd1hJQXVDU3dDU2c#list (not the android M one!) via ODIN.
Basic process is:
Download the above file, extract, there should be 4 files inside (AP,BL,CP,CSC), simply select each one to go in the relevant box on ODIN, then go into download mode on your phone and click start...
N.B. Be aware that the above firmware contains a PIT file which will reformat and resize the partitions on your phone, so make sure you have a copy of the stock firmware that works before trying the flash (i.e. the one which Smart Switch downloads). You can grab it from your windows %TEMP% directory during the smart switch download (it first downloads a file to TMPxxx, then extracts it into a directory of the same name, its these files you want. They should be the four files beginning with the type of ODIN file you are flashing (AP,BL,CP,CSC). The files get deleted after the firmware has flashed so make sure you watch the process. If things go wrong you can re-flash these files via ODIN
As far as I was led to believe and when I purchased the phone it did state factory unlocked. I was able to put in any sim when I received it and didn't have to go through any aftermarket unlock process?
I have the same problem i have a unlocked G-920F with egyptian CSC and firmware 5.1.1 .when i try to flash BTU 5.1.1 via odin, i have the same problem and only way to recover is via smart switch.BTU firmware is from sammobile
abdussamad said:
I have the same problem i have a unlocked G-920F with egyptian CSC and firmware 5.1.1 .when i try to flash BTU 5.1.1 via odin, i have the same problem and only way to recover is via smart switch.BTU firmware is from sammobile
Click to expand...
Click to collapse
So, seems this is not uncommon?
ok the way to do it is download this file
https://drive.google.com/folderview...sharing&tid=0B40ItdHKfkyQd1hJQXVDU3dDU2c#list
its BTU firmware of 5.1.1
and flash this firmware you'll have 4 files AP,BL,CP,CSC,put it in the respective boxes in odin.I have tested this right now and it works
Press "thanks" if i have helped
Well downloaded the app for CSC info and it states available CSC codes are...
ATL, AVF, CNX, CYV, MOB, MTL, OMN, SIM, SWC, TCL, VD2, VDC, VDF, VDH, VDI, VGR, VIP & VOD
Any ideas?
Ok, tried to get stock firmware when samsung smart switch was downloading and installing but couldn't see where the firmware was being downloaded to? Tried windows temp etc but nothing appeared during download and install?
sinbrad said:
Ok, tried to get stock firmware when samsung smart switch was downloading and installing but couldn't see where the firmware was being downloaded to? Tried windows temp etc but nothing appeared during download and install?
Click to expand...
Click to collapse
Just type in %TEMP% into you windows explorer address bar and it will take you there. arrange by date modified and you will see the size ticking up during the download, before the flash starts it will extract into a folder with the same name, the md5 files can be grabbed from there
No probs here
abdussamad said:
I have the same problem i have a unlocked G-920F with egyptian CSC and firmware 5.1.1 .when i try to flash BTU 5.1.1 via odin, i have the same problem and only way to recover is via smart switch.BTU firmware is from sammobile
Click to expand...
Click to collapse
I flashed BTU firmware on my 920F international unlocked that came with UAE firmware without any problems. Idk
sd_N said:
I flashed BTU firmware on my 920F international unlocked that came with UAE firmware without any problems. Idk
Click to expand...
Click to collapse
Which file and which method?
aaronjp said:
Just type in %TEMP% into you windows explorer address bar and it will take you there. arrange by date modified and you will see the size ticking up during the download, before the flash starts it will extract into a folder with the same name, the md5 files can be grabbed from there
Click to expand...
Click to collapse
Ok, Got it this time, all four files. Will give the method above a go and if it fails at least I've got the stock firmware to fall back on?
Magic, have had great success. Now on the BTU firmware and everything is up and running. Got the stock as well just in case but if this continues to work won't be reinstalling stock. So a big thanks to those who helped
sinbrad said:
Magic, have had great success. Now on the BTU firmware and everything is up and running. Got the stock as well just in case but if this continues to work won't be reinstalling stock. So a big thanks to those who helped
Click to expand...
Click to collapse
Glad you are sorted

Any way to get VoLTE working with international phone?

Hello
I bought an s8+ from HK which is the dual SIM Snapdragon version (G9550). Using it here in Australia, everything works as expected as it supports all of our bands, however VoLTE does not work. I've read this is because the CSC does not match a local CSC.
Unfortunately there are no Snapdragon versions sold here, hence no firmware with the Aus CSC (XSA) that will support VoLTE (as I read you can't flash the Exynos ROM onto the Snapdragon).
Is there any way I can enable VoLTE? Can I somehow change the CSC without an official ROM? Like go into the G9550 ROM and replace the CSC with the Aus CSC?
The only other region with the Snapdragon is the US from what I can tell, which probably wouldn't enable VoLTE either.
Any advice is appreciated
Thanks.
ult_nrg said:
Hello
I bought an s8+ from HK which is the dual SIM Snapdragon version (G9550). Using it here in Australia
Is there any way I can enable VoLTE? Can I somehow change the CSC without an official ROM? Like go into the G9550 ROM and replace the CSC with the Aus CSC?
The only other region with the Snapdragon is the US from what I can tell, which probably wouldn't enable VoLTE either.
Any advice is appreciated
Thanks.
Click to expand...
Click to collapse
You may root and then flash your csc zip (or simply replace the CSC files in the custom rom with your CSC files). You should get VoLTE. Download Multi CSC file from here and extract your csc.
I do the same but with India CSC on USA snapdragon models.
nimms said:
You may root and then flash your csc zip (or simply replace the CSC files in the custom rom with your CSC files). You should get VoLTE. Download Multi CSC file from here and extract your csc.
I do the same but with India CSC on USA snapdragon models.
Click to expand...
Click to collapse
Thanks nimms. This is pretty much exactly what I was after, except I cannot root the phone (work required Knox so I can't trip it ). I was hoping I could do somthing like the above, only via Odin, but it sounds like you can't change the CSC without rooting the phone due to making system changes.
Try this code in dialer *#272*imei# and change your csc from there
thatsupnow said:
Try this code in dialer *#272*imei# and change your csc from there
Click to expand...
Click to collapse
Thanks for the reply!
I've tried that but unfortunately get a dialog saying "UNKNOWN APPLICATION".
ult_nrg said:
Hello
I bought an s8+ from HK which is the dual SIM Snapdragon version (G9550). Using it here in Australia, everything works as expected as it supports all of our bands, however VoLTE does not work. I've read this is because the CSC does not match a local CSC.
Unfortunately there are no Snapdragon versions sold here, hence no firmware with the Aus CSC (XSA) that will support VoLTE (as I read you can't flash the Exynos ROM onto the Snapdragon).
Is there any way I can enable VoLTE? Can I somehow change the CSC without an official ROM? Like go into the G9550 ROM and replace the CSC with the Aus CSC?
The only other region with the Snapdragon is the US from what I can tell, which probably wouldn't enable VoLTE either.
Any advice is appreciated
Thanks.
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Click to collapse
Hi
As far as I'm concerned, this is not possible without tripping the Knox counter. And if you try flashing the XSA CSC (via Odin), you will definitely soft brick your phone
ims setting. maybe can fix your issue ,just download a hidden app display. then you can open ins setting
t-shock said:
Hi
As far as I'm concerned, this is not possible without tripping the Knox counter. And if you try flashing the XSA CSC (via Odin), you will definitely soft brick your phone
Click to expand...
Click to collapse
Odin won't even flash it, It's pretty hard to soft brick this phone with official tools and firmware.
Interceptor777 said:
Odin won't even flash it, It's pretty hard to soft brick this phone with official tools and firmware.
Click to expand...
Click to collapse
Yes
Odin won't flash it but if you try to flash it and after that you reboot, you will stuck at download mode. Only by flashing the correct files, will make it boot
t-shock said:
Yes
Odin won't flash it but if you try to flash it and after that you reboot, you will stuck at download mode. Only by flashing the correct files, will make it boot
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Click to collapse
Interesting.
Another question...the only difference I've noticed between the 9550 (HK) and 955U (US) is that the US version does not have Band 28 but the HK version does, which we do use here in Aus.
If I flashed a US firmware (which has the same S835 SoC), would I lose Band28, or would the modem still be able to use it?
EDIT: what if I only flashed the CP file (modem), is this interchangeable between the different SoCs? Could I flash the XSA CP (modem) onto another ROM, or will this soft-brick?
wangksn said:
ims setting. maybe can fix your issue ,just download a hidden app display. then you can open ins setting
Click to expand...
Click to collapse
My IMS is saying "Not registered" in the about phone. I can't seem to do anything about it, and the hidden menu doesn't give me the option to change it.
IMS setting is located explicitly on "Settings -> Mobile Networks -> Access Point Names"
The best bet you may try is to find a Samsung phone thats currently in VoLTE then copy IMS apn settings onto you phone (you manually input the settings).
ult_nrg said:
Interesting.
Another question...the only difference I've noticed between the 9550 (HK) and 955U (US) is that the US version does not have Band 28 but the HK version does, which we do use here in Aus.
If I flashed a US firmware (which has the same S835 SoC), would I lose Band28, or would the modem still be able to use it?
EDIT: what if I only flashed the CP file (modem), is this interchangeable between the different SoCs? Could I flash the XSA CP (modem) onto another ROM, or will this soft-brick?
My IMS is saying "Not registered" in the about phone. I can't seem to do anything about it, and the hidden menu doesn't give me the option to change it.
Click to expand...
Click to collapse
it is can change if you know the parameter. I see have a lots of valume, I don't know why I can't upload the snapshot to hare
Hey , its too easy to get CSC to another Provider. Just ADB Sideload it. I can give you the mod for Germany VD2 or Verizon USA. No Tripping and knox 0x0
012345678 said:
Hey , its too easy to get CSC to another Provider. Just ADB Sideload it. I can give you the mod for Germany VD2 or Verizon USA. No Tripping and knox 0x0
Click to expand...
Click to collapse
Please, write detailed instructions for G9550 and example .zip
012345678 said:
Hey , its too easy to get CSC to another Provider. Just ADB Sideload it. I can give you the mod for Germany VD2 or Verizon USA. No Tripping and knox 0x0
Click to expand...
Click to collapse
+1
Dr. said:
[No_WaY;76004070]+1
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Click to collapse
I need the mod please for changing csc
012345678 said:
Hey , its too easy to get CSC to another Provider. Just ADB Sideload it. I can give you the mod for Germany VD2 or Verizon USA. No Tripping and knox 0x0
Click to expand...
Click to collapse
Do not enter people astray, ADB Sideload It's not working - error "signature verification failed"
need ROOT
VD2-CSC-S8S8p
MY Galaxy S8+ SM-G9550, SW - G9550ZHU2AQL2
Just download an official ROM (A variant from a country that supports VoLTE) for ur model from sammobile or u might even find it on the xda forum and flash it via odin with Home CSC.
It works well... No need to root n KNOX counter wont be tripped...
PS: Backup data.. They will be lost in the process.
Now we're talking about ADB, not ODIN or TWRP.
Flash via ADB Sideload - not possible. You understand me. Smartphones snapdragon not flash Exynos SW. You can only edit an existing profile CSC or add new CSC.
Example:
my smartphone TGY (snapdragon model SW)
but I live in the region of SER (EXYNOS MODEL SW)
GRIBL said:
Now we're talking about ADB, not ODIN or TWRP.
Flash via ADB Sideload - not possible. You understand me. Smartphones snapdragon not flash Exynos SW. You can only edit an existing profile CSC or add new CSC.
Example:
my smartphone TGY (snapdragon model SW)
but I live in the region of SER (EXYNOS MODEL SW)
Click to expand...
Click to collapse
Right, My bad... I missed the international part itself...
But as far as i know, Exynos CSCs also dont go with the Snapdragon CSCs... I could be wrong.

Samsung Galaxy A8 2018 UAE Version Volte Issue In India

Has anyone succeeded in enabling volte for this model. Especially in India it doesn't work with Reliance Jio simcard.
Can someone advice about this?
How to change CSC on A8/A8+ 2018
lego09 said:
Has anyone succeeded in enabling volte for this model. Especially in India it doesn't work with Reliance Jio simcard.
Can someone advice about this?
Click to expand...
Click to collapse
I imagine you need to change your phone CSC's. To do that you need a PC with Windows and an internet connection (you need Latest Odin3 and Samsung USB Drivers), your Galaxy A8 with its USB-C to USB cable, latest official firmware for your model and csc and the Factory Firmware tar for your phone and with correct bootloader rev (to know what's your current bl rev download "Phone Info ☆Samsung☆" app from Play Store and check your Bootloader version inside it, the bootloader rev is after the phone model number and fw country/type; ex. A530FXXU3):
- A530F Rev 1
- A530F Rev 2
- A530F Rev 3
- A730F Rev 1
- A730F Rev 2
- A730F Rev 3
If you downloaded and installed all the needed, do a backup of all your data and files, then follow those steps:
1. Boot your phone in Download mode
2. Open Odin3 as Administator, go in "Options" tab and enable Auto Reboot and Re-Partition, then click on the AP button and select the COMBINATION tar file you downloaded previously
3. Connect your phone to your pc and click the Start button in Odin3, flash should start
4. You phone now should boot in Factory Firmware. Select IMEI option at the bottom of the screen to bring up the dial pad, then dial *#243203855#
5. Select your new CSC code (in your case INS) and wait for it to install and reboot
6. Wait for phone to reboot and do a Factory Reset in Settings app
7. Reboot to Download mode again and setup Odin3 like before
8. You now need to flash your official firmware, so put all the tars from the firmware you downloaded on their section (AP inside AP, BL inside BL, CP inside CP and CSC inside CSC)
9. Connect back your phone in your pc and click Start in Odin3
Your phone should now be back to the Stock Firmware and with the correct CSC set, to check it go inside Settings>About phone>Software info>Service provider SW ver. and check if the first CSC sales code matches the one you choosen previously.
Greetings!
BlackMesa123 said:
I imagine you need to change your phone CSC's. To do that you need a PC with Windows and an internet connection (you need....Greetings!
Click to expand...
Click to collapse
Thanks for your detailed reply. Unfortunately there is no official INS firmware available for this model as it's not been launched in India. I tried flashing it with other countries firmware but it didn't work. Is there any other way?
lego09 said:
Thanks for your detailed reply. Unfortunately there is no official INS firmware available for this model as it's not been launched in India. I tried flashing it with other countries firmware but it didn't work. Is there any other way?
Click to expand...
Click to collapse
You can try to flash A530F AP, BL, CP tars with A730F INS CSC tar. If it doesn't works you unfortunately need to root your device to install the correct csc in system (the guide I explained before is for non-rooted devices)
BlackMesa123 said:
You can try to flash A530F AP, BL, CP tars with A730F INS CSC tar. If it doesn't works you unfortunately need to root your device to install the correct csc in system (the guide I explained before is for non-rooted devices)
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Click to collapse
Thanks again. Should I wipe all the data before doing this?
lego09 said:
Thanks again. Should I wipe all the data before doing this?
Click to expand...
Click to collapse
Data is wiped anyway during the guide, so as you wish lol
BlackMesa123 said:
Data is wiped anyway during the guide, so as you wish lol
Click to expand...
Click to collapse
Wasn't successful. So doing rigorous R&D.
Has anyone succeeded by rooting the device? @BlackMesa123 can you suggest on this?
lego09 said:
Has anyone succeeded by rooting the device? @BlackMesa123 can you suggest on this?
Click to expand...
Click to collapse
It's like one month we are behind it actually lol, but since recently you can finally root safely your device with flashing my TWRP 3.2.3+Magisk v17.1. Would suggest to flash my custom kernel also (MCK), but I wanna suggest to wait till' next version comes out since there will be a lot of under-the-hood improvements over the current version (v1.2)
Updates
Hi,
Any luck regarding this?
Anson paul said:
Hi,
Any luck regarding this?
Click to expand...
Click to collapse
As I said previously, you need to set the correct CSC sales code in your device in order to get the features you need for your country/SIM. To do that you can follow the guide I wrote above or, if you're rooted, you just can edit the "/efs/imei/mps_code.dat" file and replace the current CSC with the one you prefer.
Just to say I on honk Kong but I modified a USA s8 csc and I have had voltie working.
Screenshot below.
mchlbenner said:
Just to say I on honk Kong but I modified a USA s8 csc and I have had voltie working.
Screenshot below.
Click to expand...
Click to collapse
How did u do that? Can u explain the steps?
My mod would only work on t.mobile USA.
I not going to try to teach people how to mod or hack.
If not done right it will brick you.
mchlbenner said:
My mod would only work on t.mobile USA.
I not going to try to teach people how to mod or hack.
If not done right it will brick you.
Click to expand...
Click to collapse
OK, so carrier locked a8 2018 model?
I bought a8 2018 from indonesia unlocked but VOLTE is not working in India. Any suggestions on how to get VOLTE working?

Question Secure check failed: PIT during firmware flash via Odin.

I bought the S22 ultra Korean version with KT branding. I really don't like their bloatware.
I downloaded the non-branded Korean firmware (KOO) and also the non-branded US firmware (XAA).
I tried to flash both using Odin but no luck. It continuously shows the "Secure check failed: PIT" error.
What am I missing?
My first priority is to flash the US non-branded firmware. Both of the models are Snapdragon. So, is it possible to do so?(2nd question)
Original Baseband: S908NKSU1AVCH
Downloaded Korean Baseband: S908NKSU1AVCK_S908NOKR1AVCK_KOO
Downloaded USA Baseband: S908U1UEU1AVC8_S908U1OYM1AVC8_XAA
Odin: 3.14.1
update: Finally successfully flashed Korean non-branded firmware. But CSC didn't change. It is still KT branded one. What did I miss?
You have to look for chimeratool or Samkey to change csc.
did you flash the CSC file ? or just the AP
gav83collins said:
did you flash the CSC file ? or just the AP
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Click to collapse
I used all the four files (BL, AP, CP, and CSC). I didn't use HOME_CSC, used CSC instead.
yeah i was just checking, i dont know then did you try chimeratool or Samkey
gav83collins said:
yeah i was just checking, i dont know then did you try chimeratool or Samkey
Click to expand...
Click to collapse
Sorry, I didn't try Samkey or chimeratool. Is it possible to change CSC by flashing the ROM via odin?
well usually, you can choose to just flash the csc on its own, i dont know why its not working without insulting you with questions like "is usb debugging" enabled lol
gav83collins said:
well usually, you can choose to just flash the csc on its own, i dont know why its not working without insulting you with questions like "is usb debugging" enabled lol
Click to expand...
Click to collapse
Haha, there is nothing to get insulted about. We, humans, are prone to make silly mistakes. I didn't make this mistake this time maybe.
Checklist:
1. USB debugging enabled
2. Samsung driver reinstalled
3. Downloaded Odin's latest version
4. OEM lock disabled
5. Bootloader lock enabled/disabled (tried both).
I was able to flash the firmware once but didn't change CSC. But don't know why.
Then I tried to flash the firmware again but didn't work. It fails to write. Tried more than 20 times with different configurations but no luck.
have you tried the patched versions of odin ? check my thread "here" for links
Thank you for the patched app. If I used patched Odin, will it trigger Knox?
And can I flash US non-branded firmware to Korean branded phones?
Both are single sim snapdragon phones.
i would assume so, but you know what presumption did......... if its a stock rom i dont think it will trigger knox, aslong as its an unmodified official release firmware you should be ok
ive been out of the game for a while due to the pleasure of her majesty, so wait to see what other people say that have been more current than me
I have tried using patched Odin. But it's stuck at Setup Connection.
the only other thing im thinking is maybe there is an error in the download, back in the day they used to come with md5 checksums, they dont seem to now, how confident are you the download isnt corrupted ? have you tried to extract it to see that it unpacks properly
gav83collins said:
the only other thing im thinking is maybe there is an error in the download, back in the day they used to come with md5 checksums, they dont seem to now, how confident are you the download isnt corrupted ? have you tried to extract it to see that it unpacks properly
Click to expand...
Click to collapse
Finally, I was able to flash using Odin. The problem was I tried to flash the US version first which returns with PIT error. But then I tried to flash Korean ROM without restarting the phone. Which caused the problem. But if I flash with a fresh start inside download mode, it works fine.
But the pit error problems are still there for the US ROM. Is there any way to flash US ROM on Korean model?
Thanks a lot for all the replies.
nazmulnsu said:
Finally, I was able to flash using Odin. The problem was I tried to flash the US version first which returns with PIT error. But then I tried to flash Korean ROM without restarting the phone. Which caused the problem. But if I flash with a fresh start inside download mode, it works fine.
But the pit error problems are still there for the US ROM. Is there any way to flash US ROM on Korean model?
Thanks a lot for all the replies.
Click to expand...
Click to collapse
ive only ever owned australian and uk devices, so i couldnt tell you with any certainty, but one would assume if its the same chipset / processor the region of the rom shouldnt make any difference
Yes, I assumed that too. But seems like Samsung added some extra layer of security for different pit files. I tried many ways to flash US firmware. But, it always says "Secure check fail: pit".
Hope someone can crack that. Thanks a lot for your kind replies.
However, I was able to flash KOO ROM a few times but it didn't change the CSC. My phone still remained KT branded.
I tried to cleared cache and did factory reset before booting and after flashing, but no luck.

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