[Q] Bypass Bootloader Froyo to Gingerbread? - Vibrant Q&A, Help & Troubleshooting

I have upgraded Vibrants many times. I was upgrading a gingerbread bootloader to Froyo 2.2. Hard brick, sent out for JTAG Riff repair $30. I think I might of had a corrupt bootloader.
My question: Can I just flash the entire gingerbread, will that automatically add the bootloader?
Jay P
T959V 1.8.5 ICZen

Unfortunately no it won't give you the Gingerbread bootloader when you flash a Gingerbread ROM. In fact there are a few GB ROMs that require GB bootloaders before you even flash them.
If you go to my Repo thread in the Dev section, there is a stock JFD with GBbl's already packaged in. Flash that through Odin like you would normally do a flash to stock and there you have it.
Also, I am betting that this is a typo, but your sig says T959V. It also says ICZen, so that is making me lean towards the typo. Just to clarify though, you have the SGH-T959 (3g) and not the SGH-T959v (4g), correct?

Typo indeed. I have multiple Vibrants. I bricked the T959V with Froyo. I have ICZen on the T959 old.

Related

Save to flash Vibrant firmware on a i9000?

Just to do some debugging I want to flash Vibrant firmware on my International Galaxy S. Can it be done? If so, how? Is it save?
thanks
Probably doable with odin, but safe? Not unmodified... When the first i9000 froyo rom leaked a few vibrant people flashed it right away. It goes straight to recovery, which would be ok, but we couldnt select anything because the buttons are mapped differently. So they tried to flash back to stock, and fount the first and sofar only way to truly brick these devices.
The i9000 rom was modified by eugene 373 for safe use on our vibrants. So I assume someone could do the same in reverse.
Sent from my SGH-T959 using XDA App
wildklymr said:
Probably doable with odin, but safe? Not unmodified... When the first i9000 froyo rom leaked a few vibrant people flashed it right away. It goes straight to recovery, which would be ok, but we couldnt select anything because the buttons are mapped differently. So they tried to flash back to stock, and fount the first and sofar only way to truly brick these devices.
The i9000 rom was modified by eugene 373 for safe use on our vibrants. So I assume someone could do the same in reverse.
Sent from my SGH-T959 using XDA App
Click to expand...
Click to collapse
The different button configuration is indeed a big problem. Thanks for the info. Probably saved me a new phone
Thread moved to Q&A.

Question about bootloaders

Hi! I'm really ashamed of myself for asking this but here it is, if I'm on JFD obviously do i have the eclair/froyo bootloaders? I'm asking because on the current CM7 roms right now are required to be on froyo bootloaders. I didn't flashed any gingerbread bootloaders ever.
I know how to flash CM7 but i didn't do anything about the bootloaders in the past while the new roms out today really confused me and i haven't really flashed for a while now.
iynfynity said:
Hi! I'm really ashamed of myself for asking this but here it is, if I'm on JFD obviously do i have the eclair/froyo bootloaders? I'm asking because on the current CM7 roms right now are required to be on froyo bootloaders. I didn't flashed any gingerbread bootloaders ever.
I know how to flash CM7 but i didn't do anything about the bootloaders in the past while the new roms out today really confused me and i haven't really flashed for a while now.
Click to expand...
Click to collapse
If you never flashed GB bootloaders, you're on Froyo bootloaders.
strictlyrude27 said:
If you never flashed GB bootloaders, you're on Froyo bootloaders.
Click to expand...
Click to collapse
agree...you can also check by trying ur combo keys to get into download mode...for froyo bootloader(make sure ur phone is off) is volume up + volume down and plug ur usb that should get you in download mode..if it does than u definitely have a froyo bootloader

Question concerning GB bootloaders

I have bought Vibrant with CM7 on it... Does that mean that I already have GB bootloaders installed or I have to flash them if I want to flash other GB ROM?
Just cuz u have cm7 doesn't mean the Gb bootloaders r on it
Sent from my SGH-T959 using XDA App
Most likely you have to ODIN back to flash if you want to switch ROMs from CM7 unless it's MIUI
So flash a GB bootloader!
CM7 Can use either Froyo or Gingerbread bootloaders. Chances are you do not have the GB bootloaders. You should Odin back to stock (I would suggest Eugene's 2.2 bc it is pre-rooted) then odin the GB bootloaders.
Ok. Thank you all

Bootloaders

I have never flashed any bootloaders. But after reading a thread about going to jt's vanilla rom. It said to odin gingerbread bootloaders. I'm currently running miui mtd.. It seems to run fine.. I did a stock restore before I did it, does this mean I have eclair bootloaders? And what would flashing new ones effect?
Sent from a beautiful miui fascinate

How do I flash back to stock if I have gingerbread bootloaders?

I'm currently using the Simply Stock gingerbread rom, and I flashed gingerbread bootloaders. I may want to try some of the new ICS roms coming out, but I want to be sure I know what I'm doing first.
Would attempting to flash back to stock 2.2 brick my phone with the gingerbread bootloaders? Do I need to revert the bootloaders first? Thanks in advance.
u can flash from the jvt rom you have now just fellow the guide in the op, you will have to flash the ics rom twice .but if u want to go back to stock use this guide and going back to stock would not brick you phone.
http://forum.xda-developers.com/showthread.php?t=954509
Sent from my SGH-T959 using XDA App
Gingerbread bootloaders are backward compatable with froyo and eclair no need to worry or change them. I prefer them because of the button mapping.
They also work with ICS. I have them and am running ICS Passion and have also tried all the other Vibrant and I9000 ics roms with them.
I also went striaght to ICS from DarkyROM 10.2.2 (2.3.4 JVQ)

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