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Dowgrading official firmwares?

Hi,
I would just like to ask if it is possible to flash from a newer firmware back to an older one via Odin?
For example: My phone is on official JVS, can I downgrade it back to JVR/JVQ?
Is it possible to flash back from JVR to JVQ? I was thinking because they use the same CSC.
Thanks!

Yes u can downgrade....find firmware at www.samfirmware.com and u can flash any firmware any time.
Sent from my GT-I9000 using XDA App

ali_khalid5518 said:
Yes u can downgrade....find firmware at www.samfirmware.com and u can flash any firmware any time.
Sent from my GT-I9000 using XDA App
Click to expand...
Click to collapse
Follow this and make sure repartition is checked in Odin so you can wipe the phone before installing the fw.
But ya you can go from Froyo to GB and back whenever you want on the SGS...
Sent from my MB860 using xda premium

Thanks for the replies. Anyone else can confirm that downgrading official firmwares is possible? Just want to make 100% sure before I do.
Thanks in advance.

Code Geass said:
Thanks for the replies. Anyone else can confirm that downgrading official firmwares is possible? Just want to make 100% sure before I do.
Thanks in advance.
Click to expand...
Click to collapse
If you do it using Odin there is no problem. did that a few times.

My dear yes it is possible to any firmware at any time
Sent from my GT-I9000 using XDA App

I've upgraded and downgraded ROMs, custom and stock, using clockworkmod recovery.
The first root I did on my phone I used Odin, but the flash came with clockworkmod built in, so never needed to use Odin again.
I feel much more at ease using the recovery mode than through Odin for many reasons, but that's just my opinion, I'm sure it works fine if you follow all the steps.

Firmware

Hi guys,
I just root my Sgn and want to flash new firmware rom.
So..i want ti ask how..with Odin or Cmw.
Also...where i to find new firmwares?
Tnx and sorry for noob questions.
Sent from my GT-N7000 using xda premium

dzontra11 said:
Hi guys,
I just root my Sgn and want to flash new firmware rom.
So..i want ti ask how..with Odin or Cmw.
Also...where i to find new firmwares?
Tnx and sorry for noob questions.
Sent from my GT-N7000 using xda premium
Click to expand...
Click to collapse
If your new firmware is Stock firmware(released by samsung), you can flash with Odin(dont select reset partition in odin)
OR you can connect to Kies n update it.
OR Go to setting - about phone - software update, check if update available OTA, if available, you will get notice n update from there(easiest n fastest way)

Hello.
One week ago,I was forced to flash custom ROM,cause something goes wrong and I didn't have backup. However,I want back the stock ROM. Where can I download it? I don't want to install Kies to my laptop,because normally I don't need it. I am able to flash the ROM using CWM.
Sent from my GT-N7000 using XDA App

TomasNM said:
Hello.
One week ago,I was forced to flash custom ROM,cause something goes wrong and I didn't have backup. However,I want back the stock ROM. Where can I download it? I don't want to install Kies to my laptop,because normally I don't need it. I am able to flash the ROM using CWM.
Sent from my GT-N7000 using XDA App
Click to expand...
Click to collapse
Stock ROMs are available here
http://www.sammobile.com/firmware/?page=-1

Thank you,but no Note version.
Sent from my GT-N7000 using XDA App

TomasNM said:
Thank you,but no Note version.
Sent from my GT-N7000 using XDA App
Click to expand...
Click to collapse
Type N7000 in search box, you will get all available firmware

how to downgrade sgn from 4.0.4 to 2.3.6

Hi,I hav just updraded my sgn from 4.0.3 to 4.0.4 and m in India.First, I thought there would be a solution in 4.0.4 for battery drainage....but of no use.
Now I want to downgrade my sgn to 2.3.6(N7000DDLLC1) which is provided by sammobile.com and i hope that is official gb for indian sgn.
1. Please tell me hot to downgrade safely to 2.3.6 using clean installation.Actually, I have eMMc bug in sgn,so I can't wipe or format it.(MOST IMPORTANT)
So guys,please help me in doing this soon.thanks in advance......

Get the firmware from the original dev forum. Reboot phone in dowload mode. Open odin connect the phone and select the tree files from the firmware then pres GO. Its better to pick an allready rooted version of GB. Then you are all set.
Sent from my GT-N7000 using xda app-developers app

shivg86 said:
Hi,I hav just updraded my sgn from 4.0.3 to 4.0.4 and m in India.First, I thought there would be a solution in 4.0.4 for battery drainage....but of no use.
Now I want to downgrade my sgn to 2.3.6(N7000DDLLC1) which is provided by sammobile.com and i hope that is official gb for indian sgn.
1. Please tell me hot to downgrade safely to 2.3.6 using clean installation.Actually, I have eMMc bug in sgn,so I can't wipe or format it.(MOST IMPORTANT)
So guys,please help me in doing this soon.thanks in advance......
Click to expand...
Click to collapse
Follow dr.Ketan's guide. They have clear instructions to downgrade.
Per the best I can remember
1. Download and install a safe karnal like Abyss.
2.Reboot to recovery.
3.Now wipe all
4.Then instal stock GB ROM
Sent from my GT-N7000 using xda app-developers app

Again. Read multiple times and ask more people before you proceed
Sent from my GT-N7000 using xda app-developers app

xranekx said:
Get the firmware from the original dev forum. Reboot phone in dowload mode. Open odin connect the phone and select the tree files from the firmware then pres GO. Its better to pick an allready rooted version of GB. Then you are all set.
Sent from my GT-N7000 using xda app-developers app
Click to expand...
Click to collapse
Brother thanks for your so fast reply....but i have some doubts
1. dev forums firmware is official firmware?
2. and i dont understand what you have said that pick an already rooted version of GB?what does it means?
THANK YOU

Coolkriss said:
Follow dr.Ketan's guide. They have clear instructions to downgrade.
Per the best I can remember
1. Download and install a safe karnal like Abyss.
2.Reboot to recovery.
3.Now wipe all
4.Then instal stock GB ROM
Sent from my GT-N7000 using xda app-developers app
Click to expand...
Click to collapse
Brother can you tell me where will i find dr.ketan's guide....please tell me the URL.
Second i have eMMc bug in my phone,so i cnt wipe it or format i think.and brother i want to downgrade to an official gb only.

It's official frimware? Thanks!!
Sent from my GT-P7510 using xda app-developers app

Get official from Sammobile and use odin.
As I see you don't know what root its.. You don't need so... Stick to the standart procedure and I'm afraid you gotta wipe/factory reset once you have finished flashing gb if you downloaded a Kies version
Why? Because all your apps will FC if you don't....
Sent from my GT-N7000 using Tapatalk 2

qsp said:
It's official frimware? Thanks!!
Sent from my GT-P7510 using xda app-developers app
Click to expand...
Click to collapse
Which one is official?please mention....and if you can provide me a url add for the official gb firmware, then it would be of great help.

msedek said:
Get official from Sammobile and use odin.
As I see you don't know what root its.. You don't need so... Stick to the standart procedure and I'm afraid you gotta wipe/factory reset once you have finished flashing gb if you downloaded a Kies version
Why? Because all your apps will FC if you don't....
Sent from my GT-N7000 using Tapatalk 2
Click to expand...
Click to collapse
Thank you very much for your reply.i have a very small question to you that my phone wouldn't get harm or bricked due to this downgrade?or it will get harm?tell me please.

as long as you follow all the instructions (on the downgrade to GB), your phone will be fine.

@coolcris
There is no need to go to abyss, as you are downgrading to GB, so first downgrade then wipe is enough
@OP
Downgrade/Flashing won't harm your device
Find 1st link on my signature. and select GB ROM to download and simply flash it with PC Odin, everything is mentioned there. Read it completely and still you have any doubt post your quuery.

dr.ketan said:
@coolcris
There is no need to go to abyss, as you are downgrading to GB, so first downgrade then wipe is enough
@OP
Downgrade/Flashing won't harm your device
Find 1st link on my signature. and select GB ROM to download and simply flash it with PC Odin, everything is mentioned there. Read it completely and still you have any doubt post your quuery.
Click to expand...
Click to collapse
Sorry i am unable to find the mentioned gb rom from you....please provide me a link...thanks

http://forum.xda-developers.com/showthread.php?t=1424997
post 2 & 3 is for GB ROM

rar file password
dr.ketan said:
http://forum.xda-developers.com/showthread.php?t=1424997
post 2 & 3 is for GB ROM
Click to expand...
Click to collapse
could you please tell me the password for GB roms (i downloaded the one for uk but asks for password)i did use sammobile.com and also checked it with signed in option on website but this file seems to have exception.
Regards

Reverting back to standard ICS.

Hi folks. I have decided to return back to ICS to get the official JB update when it hits in the UK. I was on various Custom JB roms but mainly CM10.1 and now want to try back out the standard JB. Anyways being the sensible chap that I thought I was I done a back up of ICS and that has reinstalled perfect. However not being such a clever chap I forgot I done that back up after updating to 4.0.4 (XXLRK) via Odin when I had my pc and now Kies wont let me update via it. Second problem I have is I no longer have a pc (in my house) because I bought an iMac.
So my question is. Is there a way to get a the standard ICS firmware that should be on an O2 Carphonewarehouse N7000 in the form of a ROM rather than the Odin files somewhere? I still have CWM recovery and Philz 3.99 installed and working.
Thanks in advance.

You can download the firmware you want from samfirmware.com and place it on phone memory. Then use mobile odin to flash the rom.
Do not wipe on stock ics kernels.

nokiamodeln91 said:
You can download the firmware you want from samfirmware.com and place it on phone memory. Then use mobile odin to flash the rom.
Do not wipe on stock ics kernels.
Click to expand...
Click to collapse
Ok I shall look to that idea. Just as another quick question if I do install the firmware via mobile Odin will it change the Kernel or will it keep me on Philz and thus still be safe?

While selecting the rom in mobile odin, it will fill up the partitions. At that time change the kernel manually to philz ics kernel tar.md5 file. That way you will be safe.

Just a thought but i wonder would kies pick up on the kernel and not allow update because of that?
Sent from my GT-I9100 using xda app-developers app

No kies does not pick up kernel. Just PDA, phone and csc. But OTA won't work on other kernels and recoveries.

Had a look on Samfireware but no sign on 4.0.4 for United Kingdom. Am i just being blind?
Sent from my GT-I9100 using xda app-developers app

There is a cpw 4.0.4 in there which is xxlrk. I think that's what you already have.

Just looked one website via iMac and can see it. Not sure but here is a screen shot of my settings and i notice that the firmware seems to be the one listed.
Any other idea why kies not liking this?
Sent from my GT-I9100 using xda app-developers app

This is what my kies says.
Sent from my GT-I9100 using xda app-developers app

Could be because the baseband is incorrect. Open the rom file you downloaded and there will be a modem.bin file. Flash it using mobile odin. Use the modem tab.

Aha i knew it would be someething daft that i was missing. Thanks man.
Can you flash modem via cwm?
Sent from my GT-I9100 using xda app-developers app

I don't know what modem it comes with that's why I asked you to extract from the rom file. If you know then check in this
http://forum.xda-developers.com/showthread.php?t=1645202

Thats brilliant. I will look at that tonight after work. Thank you very muxh for all your help.
Sent from my GT-I9100 using xda app-developers app

Downloaded and flashed the LRK modem and seems like all is well and Kies likes it all again. Very big big thanks for the help.

No problem.. Take care.

[Q] [Question] How to Flash Stock ROM without ODIN

Hi,
I have the following problem:
I have a S5830L which I've downloaded the Samsung Unbranded Stock ROM GB 2.3.6 for this phone.
The problem is that when I put it on Download mode ODIN detects it BUT when I click on start it stops on "SetupConnection" and after 10 min it shows fail.
The phone is running fine, but It has the carriers ROM and with version 2.3.4, with CWM
How can I flash it via ODIN or another method?
I cannot figure out...
Thanks!

There's a thing called mobile Odin. Not sure if it works for your device but you can use the search option here to find out more...
Sent from my GT-S5830 using xda premium

No I think so
It isn't compatible
Sent from my GT-S5830i using xda premium

What are the files that have been downloaded?

sentinelvdx said:
The phone is running fine, but It has the carriers ROM and with version 2.3.4, with CWM
Thanks!
Click to expand...
Click to collapse
you say it already has CWM, just use CWM to flash StockLite ROM almost similar with STOCK ROM

Nandroid
Sent from my pet - Megatron™
(I was Chalak)

you can use heimdall (open source), just googling that

h00039 said:
you can use heimdall (open source), just googling that
Click to expand...
Click to collapse
Hi h00039!
I'd like to ask you two questions: are you sure that heimdall suports our S5830? What version?
I've not seen that, but I don't know...
Thanks in advance.