Jan 2018 security patch downgrading issue - Samsung Galaxy S7 Edge Questions and Answers

I'm facing huge problem..... I can't downgrade January security patch..... and when I trying to flash old stock Rom bootloader (BL) prevents flashing...
Actually I want old security patch because I'm able to patch network certificate with old security patch.....
But after updating patch network and root not supported..... so always showing Emergency call.....
So please help me how to full flash old stock Rom with boot loader file....
Sorry for bad English....
S7 edge G935FD
Current Rom and baseband G935FXXU2DRAG
Country INS

It cant be done after jan 2018 update ?

Thanks Mr. Saurabh for your reply.
But is it possible to root and patch network on this latest update?

bhanu1758 said:
I'm facing huge problem..... I can't downgrade January security patch..... and when I trying to flash old stock Rom bootloader (BL) prevents flashing...
Actually I want old security patch because I'm able to patch network certificate with old security patch.....
But after updating patch network and root not supported..... so always showing Emergency call.....
So please help me how to full flash old stock Rom with boot loader file....
Sorry for bad English....
S7 edge G935FD
Current Rom and baseband G935FXXU2DRAG
Country INS
Click to expand...
Click to collapse
Extract tar file with 7zip then delete sboot.bin and cm.bin and re compress all remaining files in .tar with same 7 zip and flash with this method you can even go back to marshmallow or any firmware.

I did it. But when I'm flashing by your method Baseband shows unknown and both IMEI gone (invisible)...

I need Infos an Help to. I want to Downgrade G935F from 7.0 to 6.0 and try much.
Nothing works.
I flash AP Factory binary
COMBINATION_FA60_G935FXXU2ARA1 this works an then
if i flash 6.0 with Odin get errors and odin dont flash.
Somebody can help me?
Or i read somethink like goes help with teamviewer.
Im ready to donate for usefull Help.
I read somethink like i use the false files. But what files are the right?
In This time i see in Recovery:
7.0/NRD90M/G935FXXU1DQB3

SoftEagle said:
I need Infos an Help to. I want to Downgrade G935F from 7.0 to 6.0 and try much.
Nothing works.
I flash AP Factory binary
COMBINATION_FA60_G935FXXU2ARA1 this works an then
if i flash 6.0 with Odin get errors and odin dont flash.
Somebody can help me?
Or i read somethink like goes help with teamviewer.
Im ready to donate for usefull Help.
I read somethink like i use the false files. But what files are the right?
In This time i see in Recovery:
7.0/NRD90M/G935FXXU1DQB3
Click to expand...
Click to collapse
Downgrade G935F from 7.0 to 6.0
BL_G935FXXS2DRA9_CL12365438_QB16535159_REV00_user_low_ship.tar.md5
AP_G935FXXS1BPLO_CL9519568_QB11927977_REV00_user_low_ship.tar.md5
CSC_OLB_G935FOLB1CPK5_CL9519568_QB11505811_REV00_user_low_ship.tar.md5
CP_G935FXXU2ARA1_ENG_modem_BoxWares.tar.md5
install 4 files will start installation which will be interrupted after the first reboot because the phone will start in recovery now restart the phone and quickly press three buttons to enter the download mode then install the file:
CF-PBH6-Auto-Root-hero2lte-hero2ltexx-smg935f
the phone will stop at the samsung logo do not worry about it just wait after about 2 minutes there will be restart and after the reboot the normal installation will start. works 100%
I'm sorry for my english..

I have the same problem, manage to solve it?

Related

Custom binary locked by SECURE IMAGE (boot.img)

Hello guys hoping to get some help with this issue. So...I flashed the update for SuperSU on my S7 Edge using FlashFire, after flash it went into boot and this is what i got; "Custom binary blocked by SECURE BOOT (boot.img)" on left cornor and "Security Error: This phone has been flashed with unauthorized software & is locked. Call your phone operator for additional support." I can go into recovery mode, I tried to factory reset but did not work. Any help would be greatly welcome. I am still noob at this so please go ez on me
Stock Firmware for S7 Edge G935T UVU3APG1
Duggi1663 said:
Hello guys hoping to get some help with this issue. So...I flashed the update for SuperSU on my S7 Edge using FlashFire, after flash it went into boot and this is what i got; "Custom binary blocked by SECURE BOOT (boot.img)" on left cornor and "Security Error: This phone has been flashed with unauthorized software & is locked. Call your phone operator for additional support." I can go into recovery mode, I tried to factory reset but did not work. Any help would be greatly welcome. I am still noob at this so please go ez on me
Click to expand...
Click to collapse
Update..
So... I decided to flash Stock Firmware and now its working like a charm . hope this helps others with the same situation. Cheers
Duggi1663 said:
Update..
So... I decided to flash Stock Firmware and now its working like a charm . hope this helps others with the same situation. Cheers
Click to expand...
Click to collapse
Its not necessary to flash stock, simply reflashing the engboot will suffice, and does not wipe the device.
First of all you wanted to Flash SuperSu.... Did you enable Android Debugging.... Then check OEM Unlock?
If not you messed up there...
Next You need use Odin to flash CF-Root. You are now running a patched Kernel and SuperSU
Use TWRP app to install twrp for your device.
i have the same exact problem, been trying to flash stock firmware but cant get it to work. help please!!!! which firmware? can i get a link please!!!!!!!!!!
qwewqa said:
Its not necessary to flash stock, simply reflashing the engboot will suffice, and does not wipe the device.
Click to expand...
Click to collapse
Hello, having same issue. Didn't realize you can only make backups with flashfire, not actually flash them back with the program too...
I have the original files I installed with Odin, are one of these the engineering boot file? (BL, AP, CP, CSC?)
Or are you talking about something else...? Thanks!
BobTheTenth said:
Hello, having same issue. Didn't realize you can only make backups with flashfire, not actually flash them back with the program too...
I have the original files I installed with Odin, are one of these the engineering boot file? (BL, AP, CP, CSC?)
Or are you talking about something else...? Thanks!
Click to expand...
Click to collapse
You flash the engboot file you used to root the device, the one you placed in AP and is around 20 mb in size (not the actual firmware) .
qwewqa said:
You flash the engboot file you used to root the device, the one you placed in AP and is around 20 mb in size (not the actual firmware) .
Click to expand...
Click to collapse
Thanks!
Recovery locked

SM-A510F CM.BIN failure/ sw rev. check fail. device:3, binary :2

Hello, so i was trying to downgrade my phone from android 6.0.1 to 5.1.1 and failed miserably. Now every time i try to boot phone it tells me i should use smart switch emergency recovery, which i have tried doing but didn't really manage it work out. After software update and initalization went through i got a pop up window with instructions to hold volume down + power which i did and thats as far as it went.
Phone is soft bricked in current state and i am unsure what to do first to make it working and how to really downgrade it later
I have tried flasing diferent firmwares too but all of them give me CM.bin fail,
help would be appriciated, thanks in advance
try to flash your 6.0.1 maybe you will boot the phone and than try to flash another 6.0.1 for your A510F e and try to re-flash 5.1.1. but this mean that samsung don't want to allow us to downgrade
zyxw-androidiani said:
try to flash your 6.0.1 maybe you will boot the phone and than try to flash another 6.0.1 for your A510F e and try to re-flash 5.1.1. but this mean that samsung don't want to allow us to downgrade
Click to expand...
Click to collapse
wrong post.i am sorry

help A5 2017 PLEASE

Hi guys, I bought an A5 with less than 15 days everything was ok but I wanted to root to release more RAM I passed a BL file that gave an error, but changed the KNOX counter until it was ok. The problem was that the ROM looked strange with two drum menus. I thought I will pass the stock rom until then it was but after that I do not have IMEI anymore. Does the serial number only appear that can do or need the same BOX?
find misc partition failed
Odin error BL
Help !!!!
I'm not sure what you did but it sounds like you downgraded the rest of the firmware without the bootloader part. If so, that's the cause why you're not having a valid IMEI.
Try flash the latest firmware for your country/carrier.
I understand, but when I try to pass the BL file the error below does not know why.
Nand write start fail on odin
tys0n said:
I'm not sure what you did but it sounds like you downgraded the rest of the firmware without the bootloader part. If so, that's the cause why you're not having a valid IMEI.
Try flash the latest firmware for your country/carrier.
Click to expand...
Click to collapse
I understand, but when I try to pass the BL file the error below does not know why.
Nand write start fail on odin
tys0n said:
I'm not sure what you did but it sounds like you downgraded the rest of the firmware without the bootloader part. If so, that's the cause why you're not having a valid IMEI.
Try flash the latest firmware for your country/carrier.
Click to expand...
Click to collapse
he was already with that damn security patch

[SOLVED] How to downgrade S7 Edge SM-G935FD from android 8.0 Oreo to Official 7.x?

Hello, I have recently installed Android 8.0 (Unofficial) on my S7 edge as mentioned in this thread by ProtoDeVNan0. And also installed TWRP recovery as explained here to upgrade it. After installation figured that it has some issues with some features.
So now I am trying to downgrade to the latest official firmware.
But every time I download and install the official firmware zip file using TWRP, it says the zip file is corrupt. So I tried downloading from different sources and still it says it is corrupt in TWRP.
And then I tried using Odin after extracting the Zip file. Using the tar.md5 files inside it. It fails as well.
And also found no way to install the official recovery.
Is there any way I can downgrade from 8.0 to official 7.0? And also I would like to remove TWRP and install official recovery. Basically returning it to its original state.
Searched a lot and found no possible ways to do so.
Please help. Thank you
SOLUTION:
I have found the solution to the issue.
I previously tried using odin to load all the packages in the zip file all together which was the reason i was getting the error.
The solution is to tick and select AP file only in odin and start.
(in case stuck at meta-data unplug)
Then reset odin and re-start the phone into download mode again.
Now tick and select the CSC file (not HOME_CSC), and then start.
After the phone reboots, a factory data reset will occur and phone boots up.
Why are you using TWRP to attempt to install Official samsung firmware?
You do it all through ODIN, it'll put your device back to basically original setup state with stock firmware. Flash with CSC and not home_CSC, I assume you have no data you will need to backup before hand.
More info here:
http://updato.com/how-to/how-to-install-an-official-samsung-stock-firmware-using-odin
Which Version you use odin? I try your solution but dont work on my g935f?
BL not downgraded!
khan0412 said:
Hello, I have recently installed Android 8.0 (Unofficial) on my S7 edge as mentioned in this thread by ProtoDeVNan0. And also installed TWRP recovery as explained here to upgrade it. After installation figured that it has some issues with some features.
So now I am trying to downgrade to the latest official firmware.
But every time I download and install the official firmware zip file using TWRP, it says the zip file is corrupt. So I tried downloading from different sources and still it says it is corrupt in TWRP.
And then I tried using Odin after extracting the Zip file. Using the tar.md5 files inside it. It fails as well.
And also found no way to install the official recovery.
Is there any way I can downgrade from 8.0 to official 7.0? And also I would like to remove TWRP and install official recovery. Basically returning it to its original state.
Searched a lot and found no possible ways to do so.
Please help. Thank you
SOLUTION:
I have found the solution to the issue.
I previously tried using odin to load all the packages in the zip file all together which was the reason i was getting the error.
The solution is to tick and select AP file only in odin and start.
(in case stuck at meta-data unplug)
Then reset odin and re-start the phone into download mode again.
Now tick and select the CSC file (not HOME_CSC), and then start.
After the phone reboots, a factory data reset will occur and phone boots up.
Click to expand...
Click to collapse
STILL NOT DOWNGRADED!!
You can apply the solution described above (using ODIN to flash AP, CP and CSC with a previous version of firmware). However, the Boot-loader will remain under the latest version (since January 2018 update).
The problem is drastically worst for those who used to patch certificates before the January 2018. For those users, I will advise to not install the update from January 2018 because, they will not find any tools currently available to patch certificates and get the phone work a new. They can try but it will not be successful and the phone will keep saying "Emergency call only" or "not registered on network".
Anyone having successful experience to inform others please!
Thank you.
M. T. Coulibaly
Yes it Solved. You Need to have Stock Firmware of March , and extract PIT File, then flash Firmware with PIT File.
In Options tab check "F. Reset Time", "Auto Reboot", "Nand Erase", "Re-Partition" and "Phone Bootloader Update". Rest options must be UNCHECKED!!!
If anyone need Firmware of March for G935F and the PIT , then let me know.
HELP Corrupt Zip Stock ROM TWRP
..
therealchris said:
..
Click to expand...
Click to collapse
You must Flash it with Odin, with PIT , you must do it how i sad it in my last Post. I Upload Firmware and PIT now to Mega.
Please, someone help me
Sorry if my english is not good, i'm confused where to go for help.
I also experienced the same problem. I just tried installing android 8.0 (from the same link and way as you explained) and it works. but after I tried several times, a lot of bug that makes me uncomfortable.
So I plan to restore it to the official/original firmware version as before. I've tried using odin and also the same as you experienced, always fail when installing BL. And AP, CP, CSC works well.
Then, what should i do?
Can someone please help explain to me more clearly? with more easily understood words. My English is not very good, I still have to use translator for sentences that I do not understand. I would appreciate your help.
Thank you
Help me
Serbian_Andro said:
Yes it Solved. You Need to have Stock Firmware of March , and extract PIT File, then flash Firmware with PIT File.
In Options tab check "F. Reset Time", "Auto Reboot", "Nand Erase", "Re-Partition" and "Phone Bootloader Update". Rest options must be UNCHECKED!!!
If anyone need Firmware of March for G935F and the PIT , then let me know.
Click to expand...
Click to collapse
Please, someone help me
Sorry if my english is not good, i'm confused where to go for help.
I also experienced the same problem. I just tried installing android 8.0 (from the same link and way as you explained) and it works. but after I tried several times, a lot of bug that makes me uncomfortable.
So I plan to restore it to the official/original firmware version as before. I've tried using odin and also the same as you experienced, always fail when installing BL. And AP, CP, CSC works well.
Then, what should i do?
Can someone please help explain to me more clearly? with more easily understood words. My English is not very good, I still have to use translator for sentences that I do not understand. I would appreciate your help.
Thank you
How to downgrade from Official Oreo to Nougat
khan0412 said:
Hello, I have recently installed Android 8.0 (Unofficial) on my S7 edge as mentioned in this thread by ProtoDeVNan0. And also installed TWRP recovery as explained here to upgrade it. After installation figured that it has some issues with some features.
So now I am trying to downgrade to the latest official firmware.
But every time I download and install the official firmware zip file using TWRP, it says the zip file is corrupt. So I tried downloading from different sources and still it says it is corrupt in TWRP.
And then I tried using Odin after extracting the Zip file. Using the tar.md5 files inside it. It fails as well.
And also found no way to install the official recovery.
Is there any way I can downgrade from 8.0 to official 7.0? And also I would like to remove TWRP and install official recovery. Basically returning it to its original state.
Searched a lot and found no possible ways to do so.
Please help. Thank you
SOLUTION:
I have found the solution to the issue.
I previously tried using odin to load all the packages in the zip file all together which was the reason i was getting the error.
The solution is to tick and select AP file only in odin and start.
(in case stuck at meta-data unplug)
Then reset odin and re-start the phone into download mode again.
Now tick and select the CSC file (not HOME_CSC), and then start.
After the phone reboots, a factory data reset will occur and phone boots up.
Click to expand...
Click to collapse
after trying for many days got this Solution.
The baseband should be same or higher of the firmware to downgrade.
Example: G935FXXU2DRAG Oreo
G935FXXU1DRAG Nougat ( will not happen.)
Both should be same I mean the U2 in the middle.
Or u can downgrade upgrade from U1 oero to U2 Naugat. But not from U2 to U1 Baseband.
Hope it helps.
Just download last nougat release and flash it using latest odin simply guys,
I have tested, no one needs to use pit file or nand erase etc. Use samfirm to download latest firmware for your model. Then use latest odin to flash. Be sure to use normal csc file, NOT the home csc. You don't need pit file when using normal csc, its included with it.
If you used twrp recovery etc to flash unofficial oreo releases, you need to first confirm if oem unlock is enabled, don't tick on auto reboot option, just tick F.reset from odin options, then first flash latest nougat for your region through odin, then flash twrp through odin. Then when odin says pass, force reboot into twrp recovery from download mode, then format data in twrp and flash super SU/magisk and no verity opt encrypt. Then reboot and you will be good.
Sent from my S7 Edge using XDA Labs
Serbian_Andro said:
Yes it Solved. You Need to have Stock Firmware of March , and extract PIT File, then flash Firmware with PIT File.
In Options tab check "F. Reset Time", "Auto Reboot", "Nand Erase", "Re-Partition" and "Phone Bootloader Update". Rest options must be UNCHECKED!!!
If anyone need Firmware of March for G935F and the PIT , then let me know.
Click to expand...
Click to collapse
I need the link for march firmware please. Thanks a lot
can't downgrade
odin gives "FAIL" when starting the procedure.
i have the U1 nougat version and the U2 oreo version.
can't seem to find U2 nougat ( if any) and I guess upon upgrading to OREO sonething had changed and can't downgrade anymore.
I managed to get into android recovery and did a factory reset and total wipe but nothing, through ODIN flashing doesn't work.
Any ideas anybody ? I really want to downgrade so I will be able to install stock nougat, and flash an oreo custom ROM with magisk in order to get around the KNOX triger thing.
tks
doron
doronwin said:
odin gives "FAIL" when starting the procedure.
i have the U1 nougat version and the U2 oreo version.
can't seem to find U2 nougat ( if any) and I guess upon upgrading to OREO sonething had changed and can't downgrade anymore.
I managed to get into android recovery and did a factory reset and total wipe but nothing, through ODIN flashing doesn't work.
Any ideas anybody ? I really want to downgrade so I will be able to install stock nougat, and flash an oreo custom ROM with magisk in order to get around the KNOX triger thing.
tks
doron
Click to expand...
Click to collapse
You can't flash U1 nougat on U2 oreo firmware. It has been all over xda that U2 firmwares has Version 2 bootloader which can't be downgraded to Version 1 bootloader of U1 firmwares. Nougat has many U2 firmwares, you simply need to search..
Sent from my S7 Edge using XDA Labs
bluetooth start works but need switch off battery optimization
Hello everyone
I found it!!!
Problem with your bluetooh connection after upgrade can be solved in one of the way follow previous post or "disable battery optimization.
I try before swichng off and on all networks, emergency mode etc. and nothing happen.
Disable battery optimization
Sometimes battery optimization also messes up with Bluetooth connections. I suggest you check battery optimization settings and remove Bluetooth from it. To do so, follow the steps:
Open device Settings and go to Battery. There is few ways to go there:
first can be: open settings go to "device maintenance">>>clik on "battery">>>clik on "batterry usage">>>clik on 3 dots right top corner>>>then clik "optimise battery usage">>> and u are there - swich off “Bluetooth MIDI service” and apps that you use with Bluetooth such as Play Music, Phone, youtube, maps etc.
2nd
open settings Tap the 3-dot menu present at the top right corner and select “Battery Optimization”.
Turn off Battery Optimization for “Bluetooth MIDI service” and the apps that you use with Bluetooth such as Play Music, Phone, youtube, maps etc.
therealchris said:
..
Click to expand...
Click to collapse
Serbian_Andro said:
Yes it Solved. You Need to have Stock Firmware of March , and extract PIT File, then flash Firmware with PIT File.
In Options tab check "F. Reset Time", "Auto Reboot", "Nand Erase", "Re-Partition" and "Phone Bootloader Update". Rest options must be UNCHECKED!!!
If anyone need Firmware of March for G935F and the PIT , then let me know.
Click to expand...
Click to collapse
hello...have problem to downgrade from u3 to u2 ...can you help me please ??
Downgrading from U3 Oreo to Naugat
justmemike said:
hello...have problem to downgrade from u3 to u2 ...can you help me please ??
Click to expand...
Click to collapse
Hello. I 've read all the topics and youtube comments about downgrading from oreo.
My oreo is U3,and everyone know that nougat is U2.
So that means we can't downgrade from u3 oreo to nougat u2.
Anyone if knows something,please,pleeeease tell me.
I really need nougat...
nar3k said:
Hello. I 've read all the topics and youtube comments about downgrading from oreo.
My oreo is U3,and everyone know that nougat is U2.
So that means we can't downgrade from u3 oreo to nougat u2.
Anyone if knows something,please,pleeeease tell me.
I really need nougat...
Click to expand...
Click to collapse
I think i've already tried anything to make downgrading possible but no luck,
Serbian_Andro said:
Yes it Solved. You Need to have Stock Firmware of March , and extract PIT File, then flash Firmware with PIT File.
In Options tab check "F. Reset Time", "Auto Reboot", "Nand Erase", "Re-Partition" and "Phone Bootloader Update". Rest options must be UNCHECKED!!!
If anyone need Firmware of March for G935F and the PIT , then let me know.
Click to expand...
Click to collapse
--------------------
My Samsung S7 edge upgraded to Oreo with Binary U3. I would like to downgrade to Nougat. If your PIT file can help me with this then please share with me.
awaism81 said:
--------------------
My Samsung S7 edge upgraded to Oreo with Binary U3. I would like to downgrade to Nougat. If your PIT file can help me with this then please share with me.
Click to expand...
Click to collapse
it ain't possible man, I've already tried that

Galaxy S7 Edge G935F (Exynos) bricked ?

Hello xda Community,
it's me again but this time in the S7 Edge section.
I have a very big problem. I have a Galaxy S7 Edge and I think it's bricked.
The Phone won't turn on and I'm not able to enter the recovery mode but the download mode is working.
I have tried to flash the Oreo Stock Rom but this didn't worked. Moreover I've tried to flash the TWRP recovery but this failed too
I get errors like Kernel Rev check fail device or sw rev check fail Bootloader.
I should mention that the FRP Lock is ON
Please help me guys I thank you all for the ideas
PS: I'm very sorry about my English. I know, it's not perfect :laugh:
Your stock software should match with mobile type .If they are same it wont be a problem..
Najam9849 said:
Your stock software should match with mobile type .If they are same it wont be a problem..
Click to expand...
Click to collapse
it doesn't work for me. I have tried to left the BL part empty but this also failed
does somebody has an idea ? :crying:
Pick a right version from sammobile and do this with old version of odin .Try try try and you might end up in success.
xTheGerman said:
Hello xda Community,
it's me again but this time in the S7 Edge section.
I have a very big problem. I have a Galaxy S7 Edge and I think it's bricked.
The Phone won't turn on and I'm not able to enter the recovery mode but the download mode is working.
I have tried to flash the Oreo Stock Rom but this didn't worked. Moreover I've tried to flash the TWRP recovery but this failed too
I get errors like Kernel Rev check fail device or sw rev check fail Bootloader.
I should mention that the FRP Lock is ON
Please help me guys I thank you all for the ideas
PS: I'm very sorry about my English. I know, it's not perfect :laugh:
Click to expand...
Click to collapse
I did the same thing but i managed to get it working by flashing TRWP again through odin. It would also be better if u copy over a custom rom aswell using the adb push command in terminal because i accidentaly set off DM verity.
anonymous4272 said:
I did the same thing but i managed to get it working by flashing TRWP again through odin. It would also be better if u copy over a custom rom aswell using the adb push command in terminal because i accidentaly set off DM verity.
Click to expand...
Click to collapse
My S7 Edge is blocking the flash process with Odin because of the FRP Lock
Thats why I am not able to Flash TWRP
Flash twrp and then a custom rom afterwards..
Najam9849 said:
Flash twrp and then a custom rom afterwards..
Click to expand...
Click to collapse
I already said that I'm not able to flash TWRP. The reason is that my phone denies the flash process because of the FRP Lock
you can try https://forum.xda-developers.com/s7-edge/how-to/how-to-remove-frp-lock-guide-t3855793
I had this exact same problem a month back, I forgot to enable OEM unlock and I faced the same issues.
I downloaded the very latest stock rom at the time, and it was the 1st November security patch version. Try that and let me know.
Go to grifofdev and then ask the admin.He is a helpful person and will solve your problem..
Download the latest oreo firmware from updato, sammobile download speed is ridiculous. The latest at the time solved it for me 100%
sibozzy29 said:
Download the latest oreo firmware from updato, sammobile download speed is ridiculous. The latest at the time solved it for me 100%
Click to expand...
Click to collapse
It helped me aswell!!

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