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Hi guys, I'm new here! And to the Android scene in general. Before you ask, I've been trying to use the search function, but unfortunately it says try 10 minutes later, and it said that around 15 minutes ago...
I've recently taken interest in Darkyy's 5.4 rom, but I understand with most custom made things, there can be bugs involved, and I want to prepare for the worst case scenario and be able to flash back to the original firmware, so I've got a few questions.
1)I was just wondering, which firmware is the one I need?
I live in Australia, and I am on the 3 network, and have recently updated to 2.2 officially via KIES.
If it matters, I've also rooted and voodoo one click lagfixed it, along with officially unlocked the phone via the 3 network.
PDA: I9000HVJP4
PHONE: I9000HVJP3
CSC: I9000HUTJP4
2) If I reflash original firmware, will the phone still be unlocked, or will I have to unlock the phone again with 3? I'm pretty sure they keep records of that stuff... so will they be willing to do it again for me if that is the case? Or will it not relock itself?
Thanks guys!
If you reflash it using the firmware from samfirmware.com, it should remain unlocked.
You will need to remove all lagfix before reflashing it. Always remember to remove lagfix before flashing. The root can stay.
As for Darkyy's rom, I don't know what on earth happened lately, but he completely changed the instructions for no reason (far as I can tell). The old instructions were simply to flash back to an old Eclair firmware, and then install his rom. Works every single time.
Thanks man, I'll remember to do that, but does it matter which firmware version I go with if I want to restore my original firmware, perhaps even for warrantee reasons? I have a tendancy to mess things up beyond repair...
I'd hate to bump my own topic but... Nobody can help?
As you have jp4 you should flash that from samfirmware to get back to stock should things go wrong.
Sent from my GT-I9000 using XDA App
I am newbie to Android. So, please bear with my questions below. I used to own an iphone before, and when you reloaded the OS that you get from Apple you know it is the original.With Android it is little different.
I rooted my captivate and now I need to return it to AT&T. Need to load the original ROM.
I did download Odin 1 Click for android 2.1 AT&T Stock ROM? How do I know that it is the actual ROM AT&T/Samsung had put on the Captivate?
There are so many ROMS everybody is putting it out there...just wanted to be sure. I know AT&T or Samsung just don't give out the ROM.
If I have posted this in the wrong forum, please let me know.
Thanks
There is a question and answer section for these posts and it is the stock rom, that's what the thread says. Just read how to use and watch the videos if you're having trouble.
If it says stock it *should* be stock. And since it's Odin one click to stock you should be safe.
Sent from my Captivate
Look up your build number. If 1010 our higher jf6 iud not such and I would avoid odin one click
Is under battery
It is 1008.
But how do you get the Android 2.1 Stock ROM ?? AT&T or Samsung don't give it out. Am I missing something here.
As I said earlier for iphone you could the get ios file from Apple.
Odin injects the stock rom back into your phone
you need to be in down load mode
Open odin
Pull bat, sim, and ext sd
Put bat back in
Hold volume up and down
While holding plug usb
Should have android with shovel on screen.
A box in odin should turn yellow
Click start, watch the magic
Correct odin. Stock for the captivate is jf6
http://www.fileserve.com/file/emnCn2j
But how do you get the Android 2.1 Stock ROM ?? AT&T or Samsung don't give it out.
I am asking once again the same question as nobody is really answering to the question.Sorry about that.
Android is open source. All official software releases are out there.
What are you looking to do, you are not being clear
All I wanted to make sure is that I get the CORRECT ROM to put it back on my Captivate before I return it to AT&T.
Thanks
hmm so when you are told that the odin one click program flashes jf6 stock software (includes all at&t bloat ware) you continue to ask the same question. Good luck
I believe the stock 2.1 rom is embedded inside Odin so when you flash it returns to stock. There is no need to search for the stock 2.1 rom.
please correct me if Im wrong...I'm learning too..
Read the odin thread. Please if you have questions, post in q&a.
climo said:
I believe the stock 2.1 rom is embedded inside Odin so when you flash it returns to stock. There is no need to search for the stock 2.1 rom.
please correct me if Im wrong...I'm learning too..
Click to expand...
Click to collapse
This is correct. I HIGHLY advise you to search for Connexions "how to" videos. It shows you how to use odin to return to stock. So easy, a caveman could do it.
Look here:http://forum.xda-developers.com/showthread.php?t=731989
However, I have to ask the OP this: you mentioned that you rooted your phone, but did you flash to a different ROM? If you didn't flash to a different ROM, all you have to do is to unroot your phone and you're set to go.
LOL I think what the OP is trying to ask is this:
How do we know that Odin is using the correct, stock ROM directly from Samsung/ATT, so that when he flashes the phone with Odin and sends it back to AT&T, they don't tell him hes got the wrong software on it and void the warranty.
Unknownghost00 said:
LOL I think what the OP is trying to ask is this:
How do we know that Odin is using the correct, stock ROM directly from Samsung/ATT, so that when he flashes the phone with Odin and sends it back to AT&T, they don't tell him hes got the wrong software on it and void the warranty.
Click to expand...
Click to collapse
3 minutes of searching would have answered all his questions though.
cdi_h said:
But how do you get the Android 2.1 Stock ROM ?? AT&T or Samsung don't give it out.
I am asking once again the same question as nobody is really answering to the question.Sorry about that.
Click to expand...
Click to collapse
I'm so happy that you found it necessary to flame the thread for an answer.
Relax man.
It's natural to be concerned about voiding the warranty. Nobody wants to shell out $$ for a new phone, right? The bottom line is this, numerous people on this forum have done far worse than rooting their phone and have returned it successfully for a replacement (like bricking it). So take a deep breath, and follow some of the good advice given already to either:
A) unroot your phone (look around you'll find how)
B) flash the stock ROM that's out there in numerous locations
then send the sucker back.
But a bit of logic will show that the 3 minutes gave you the WRONG answer.
IF the Odin program had the stock rom we would not have had issues like loss of 3 button recovery on some phones after using Odin. We also would not have 2 versions of Odin. (1 specifically to address the 3 button recovery issue). You also would still be able to perform an OTA update after using Odin, which once again, most if not all the Odin flashed phones are incapable of.
Odin MIGHT have A stock Rom, in which case Samsung/ATT are using more than one, but it does not have THE stock ROM.
Now if the concern is just to get it close enough to return the phone, the guys at the exchange desk don't know enough about the phone to tell the difference.
axis01 said:
3 minutes of searching would have answered all his questions though.
Click to expand...
Click to collapse
Sent from my SAMSUNG-SGH-I897 using XDA App
I was just wondering I just recently bricked my last Captivate luckily At&t replaced it for free but im not sure how many more times thats going to work. My idea was that the brick occured from a suspicious looking 2.3 odin file but im not sure if that bricked it. Should I try flashing with the same computer but with a diferent 2.3 odin? I got a new one heres the link.
http://forum.xda-developers.com/showthread.php?t=1129821
Edit: forgot original package that bricked my phone.
http://forum.xda-developers.com/showthread.php?t=1232703
voldomart13 said:
I was just wondering I just recently bricked my last Captivate luckily At&t replaced it for free but im not sure how many more times thats going to work. My idea was that the brick occured from a suspicious looking 2.3 odin file but im not sure if that bricked it. Should I try flashing with the same computer but with a diferent 2.3 odin? I got a new one heres the link.
http://forum.xda-developers.com/showthread.php?t=1129821
Edit: forgot original package that bricked my phone.
http://forum.xda-developers.com/showthread.php?t=1232703
Click to expand...
Click to collapse
A hard brick occurs when you flash incompatible bootloaders. Make sure you flash the gingerbread bootloaders first (either the i9000 bootloaders or 2.3 captivate bootloaders) with odin then flash your gingerbread rom. There are odin packages that include just the bootloaders. Hope that helps.
Sent from my SGH-I897 using xda premium
Yeah it kinda helps im gonna wait though and buy a usb jig just so im ready if anything does manage to go wrong. Thanks though i didnt know that.
See with the package i used that bricked my phone it got stuck in a certain stage and wouldnt go anywhere so i tryed unpluging it and try to go back to 2.1 but after that attempted 2.3 flash it wouldnt accept any odins.
A hard brick not only happens with incompatible bootloaders, but with an incomplete bootloader flash, which is what happened, you say it stopped at a certain point, that is more than likely where it bricked. That package isn't "suspicious", if it were there would be a lot of reports about it.
The first link you posted is bootloaders only. It will not flash 2.3 firmware at all. Just the boots.
To make sure odin doesn't stall out, use a port on the back of the pc, right click odin and run as admin.
What studacris said. Keep in mind there is always a small risk on flashing that Odin fails. So once you flash Gingerbread bootloaders just don't flash any bootloaders again unless you really need to. OR Look in to the Unbrickable mod if you want that.
Just askin how long would ikt take to flash just the gb bootloaders?
Less than a second. Its a very small risk to begging with BUT a risk none the less.
ANother question is there any danger in downgrading bootloaders?
Same as upgrading. No reason to Downgrade except maybe AOSP specific kernels or warranty.
I had to right now because of a bootloop and a failed custom rom install and none of my backups worked and i couldnt install anything else. It said on clockworkmod that it couldnt read my cache folders. Did i have to go back to 2.1? Because thats what i did. Also thank you guys for answering my questions the captivate is so much more complex that the droid when it comes to custom roms and stuff like that.
voldomart13 said:
I had to right now because of a bootloop and a failed custom rom install and none of my backups worked and i couldnt install anything else. It said on clockworkmod that it couldnt read my cache folders. Did i have to go back to 2.1? Because thats what i did. Also thank you guys for answering my questions the captivate is so much more complex that the droid when it comes to custom roms and stuff like that.
Click to expand...
Click to collapse
No there are Odin packages that Do not include bootloaders, just saying. Same as there is GB packages without bootloaders as well (this goes for KF1 and KH3 to my knowledge). Once you flash GB bootloaders there is no reason to reflash bootloaders except for AOSP specific kernels and Warranty.
hi all
i picked up a used rogers galaxy tab 7".upgraded to 2.3.3 official via kies.
GT-P1000R
rooted it.
unlocked it.
now i wish to use the phone capabilities and have a few questions.
i see in a couple posts that you no longer have to flash a complete rom,just a modem.
is that info correct?
i see that the jm2 modem seems to work best with the rogers tab,so do i just flash the modem with odin and that gives me the voice capability.
or do i need to flash a complete rom(European)?
also there is no dialer program so where do i get that at?or does it come with the modem flash.
is there a better modem than jm2 for the rogers tab?or the bell i9000 modem?
i am in canada
thanks,jeff
kbg1 said:
hi all
i picked up a used rogers galaxy tab 7".upgraded to 2.3.3 official via kies.
GT-P1000R
rooted it.
unlocked it.
now i wish to use the phone capabilities and have a few questions.
i see in a couple posts that you no longer have to flash a complete rom,just a modem.
is that info correct?
i see that the jm2 modem seems to work best with the rogers tab,so do i just flash the modem with odin and that gives me the voice capability.
or do i need to flash a complete rom(European)?
also there is no dialer program so where do i get that at?or does it come with the modem flash.
is there a better modem than jm2 for the rogers tab?or the bell i9000 modem?
i am in canada
thanks,jeff
Click to expand...
Click to collapse
you need a euro based rom (official or custom) and bell i9000 modem.
hi
i have the bell i9000 modem already downloaded but not flashed.
which european rom would work best with the rogers tab.
i prefer 2.3.3
thanks
kbg1 said:
hi
i have the bell i9000 modem already downloaded but not flashed.
which european rom would work best with the rogers tab.
i prefer 2.3.3
thanks
Click to expand...
Click to collapse
that i don't know, 'cos i am on 2.3.5 with af974's ROM since day 1
kbg1 said:
hi
i have the bell i9000 modem already downloaded but not flashed.
which european rom would work best with the rogers tab.
i prefer 2.3.3
thanks
Click to expand...
Click to collapse
Careful what you flash though, if it's from XDA any ROM should do you okay but Samsung official ROMs may contain locked boot loaders. Catch up on some reading before doing anything.
Also i suggest that you do a complete backup of your tab before flashing anything else so that you could revert back in case of issues. Stock ROGERS firmware is hard to find. And if you do a backup I wouldn't mind a copy of it as long as you keep your personal information out. As a matter of fact, what i am after is a un-rooted fully stock ROGERS ROM. As i have deleted my original backup, and would like to revert completely back to stock, I would be very thankfull if you could help. But none the less you should do a complete backup, something like the roto or nandroid backups.
Try the OVERCOME rom, it's a great place to start as a noob to flashing, they have very detailed tutorials and the ROM is good.
EDIT: And the OVERCOME rom does work with the bell i9000 modem just fine for phone calls. Although the volume on the tab is not the greatest for a speakerphone.
theREDlegion said:
Careful what you flash though, if it's from XDA any ROM should do you okay but Samsung official ROMs may contain locked boot loaders. Catch up on some reading before doing anything.
Also i suggest that you do a complete backup of your tab before flashing anything else so that you could revert back in case of issues. Stock ROGERS firmware is hard to find. And if you do a backup I wouldn't mind a copy of it as long as you keep your personal information out. As a matter of fact, what i am after is a un-rooted fully stock ROGERS ROM. As i have deleted my original backup, and would like to revert completely back to stock, I would be very thankfull if you could help. But none the less you should do a complete backup, something like the roto or nandroid backups.
Try the OVERCOME rom, it's a great place to start as a noob to flashing, they have very detailed tutorials and the ROM is good.
EDIT: And the OVERCOME rom does work with the bell i9000 modem just fine for phone calls. Although the volume on the tab is not the greatest for a speakerphone.
Click to expand...
Click to collapse
darned,i rooted and unlocked it earlier this week.
i definitely would have done a stock backup for you.
can i unroot?i used oden and one of the cf rooting images.
unlocked using galaxy s unlock from market.
can i even revert back to stock?if so i will do a backup.
i have done nothing else to the stock rogers 2.3.3
i searched my hardrive but kies must delete the firmware after flashing.
jeff
kbg1 said:
darned,i rooted and unlocked it earlier this week.
i definitely would have done a stock backup for you.
can i unroot?i used oden and one of the cf rooting images.
unlocked using galaxy s unlock from market.
can i even revert back to stock?if so i will do a backup.
i have done nothing else to the stock rogers 2.3.3
i searched my hardrive but kies must delete the firmware after flashing.
jeff
Click to expand...
Click to collapse
Thanks for the offer. But no need to go through all of that unless you can un root with something like super one click (fast and easy, but I don't think that will work for you). If your tab is still under warranty you might want to learn how to root and unroot and restock and such (its all covered in the forums). Otherwise I don't want you playing with your tab and have a "bad" flash trying to help me out. Do read up in the dev section before you start flashing custom ROMs.
That said if you do feel comfortable flashing and decide to make a backup for yourself I definitely wouldn't mind a copy.
RED
hi
not scared of bricking the tab,i have been flashing samsungs for the last couple years,captivates etc.my last tab i did a supposed gps fix which ended in a bootloop.
i managed to get it back but with a modified 2.2 firmware.then kies would not let me upgrade to 2.3.3(unofficial firmware error)
my problems have always been actually returning to stock.
in recovery i have the orange clockwork recovery that has an option to do factory reset.will this take me back to unrooted and unlocked???
if so consider it done.
i will need direction to do a full backup after that.
jeff
Doing a hard reset will NOT un-root or re-lock your device (as far as I know). The factory reset will clear the data and cache and should not touch the system. You have to un-root your device using the method you rooted it with or something along those lines.
As far as a backup is concerned, creating a system backup has been covered in the forums before. There is plenty of detailed instructions on performing a backuphave a look at the Roto Backup method.
Just picked up a galaxy tab ( rogers )
gt-p1000r
firmware 2.2
all stock
no root
no unlock
I would like to "give back" something
for all the HELLp you guys have given via these forums
( i swear all my grey hair started once i dumped my blackberry and went samsung and found this site! )
Anyway
If you are still looking for the a copy of the STOCK system before I start to play...
I will try to figure out how to make a copy for you
Hi guys,
Just as the title says. And if it is possible to back up your original stock firmware , in case something goes wrong and need to be restored to the original firmware. I'm thinking to flash my phone but not sure which firmware to choose and its problems involved. Is flashing firmware is riskier than rooting? And how do I know if particular firmware will work with current carrier provider? Thanks a lot!
Yes, flashing can brick your phone(but repairable).
The original firmwares are available on this forum, so no worries. Just backup all your data, contacts, photos, etc., just in case.
Which firmware are you running right now??
It is possible to brick, but to be fair Android is a great OS. I myself have screwed my phone up to the point of saying "wheres the microwave" but with my friends google, and XDA I have always managed to sort it.
Rules I go by, always, and I mean always read all tutorials at least twice, compare tuts if you can. I always flash on over 75% battery power, always make sure I have everything I need before I start, from the original firmware and the custom rom. I always remove the external sd card and the sim, as I have had times where I managed to wipe both!!
Take the plunge mate, have a bash, and dont look back.
Cant remember how many different roms I have flashed on mine, and friends phones.
Above all, read and enjoy!!
steve19800 said:
Hi guys,
Just as the title says. And if it is possible to back up your original stock firmware , in case something goes wrong and need to be restored to the original firmware. I'm thinking to flash my phone but not sure which firmware to choose and its problems involved. Is flashing firmware is riskier than rooting? And how do I know if particular firmware will work with current carrier provider? Thanks a lot!
Click to expand...
Click to collapse
You can follow the video guide for flashing different roms.
itspb said:
Yes, flashing can brick your phone(but repairable).
The original firmwares are available on this forum, so no worries. Just backup all your data, contacts, photos, etc., just in case.
Which firmware are you running right now??
Click to expand...
Click to collapse
Currently running 2.3.3
PDA: I9000XWJVN
Baseband: SRJV1
CSC: PSJV5
Kernel: 2.6.35.7-I9000XWJVN-CL366455 [email protected]#2
So basically we don't need/ can not back up current firmware, only need to find the same firmware (including the kernel) and install it?
If the guide is followed properly from start to finish, is it still possible to brick your phone? Such as unforeseen problem. Is it highly likely to happen?
I'm thinking of upgrading to 2.3.5 JVT but is it worth the risk or not, is it originally release by Samsung? It seems to me it's hard to find perfect firmware for Galaxy S. Thanks.
If you've got an hour on your hands, Adam outler's unbrickable mod means no, it's not possible.
To be fair, it's pretty fxxkin hard anyway.
buttwad said:
It is possible to brick, but to be fair Android is a great OS. I myself have screwed my phone up to the point of saying "wheres the microwave" but with my friends google, and XDA I have always managed to sort it.
Rules I go by, always, and I mean always read all tutorials at least twice, compare tuts if you can. I always flash on over 75% battery power, always make sure I have everything I need before I start, from the original firmware and the custom rom. I always remove the external sd card and the sim, as I have had times where I managed to wipe both!!
Take the plunge mate, have a bash, and dont look back.
Cant remember how many different roms I have flashed on mine, and friends phones.
Above all, read and enjoy!!
Click to expand...
Click to collapse
Yes mate it is a great OS, but one thing I experience and hard to experience from my 2.3.3 is its stability and smoothness.
Have you found nice firmware for your droid? Sometimes I think Droid leaves this last finishing job for us to do
I have flashed mine too many times with too many different roms. The current one i'm using is galaxydroid 5.0, found here
http://forum.xda-developers.com/showthread.php?t=1344489
The battery life is very good as roms go, but am still playing around.
I have flashed mine to 2.3.6 at the mo as per instructions (above link)
Looks like from your current rom you should be opk for JVZ. (Going on the assumption your in europe as JVZ is open europe rom)
If you follow said above instructions on the link, you'll be fine. I also recommed flashing semaphore kernal after flashing the rom, I did this as it gave me the ability to add custom boot animation.
Another thing worth doing, is register on www.SamMobile.com as this is where all the samsung firmwares can be found, so backups are never too far away!!
woolf clubs said:
If you've got an hour on your hands, Adam outler's unbrickable mod means no, it's not possible.
To be fair, it's pretty fxxkin hard anyway.
Click to expand...
Click to collapse
I read somewhere their phone are dead after a month of flashing or rooting, any thought on that ?
So basically we don't need/ can not back up current firmware, only need to find the same firmware (including the kernel) and install it?
If the guide is followed properly from start to finish, is it still possible to brick your phone? Such as unforeseen problem. Is it highly likely to happen?
I'm thinking of upgrading to 2.3.5 JVT but is it worth the risk or not, is it originally release by Samsung? It seems to me it's hard to find perfect firmware for Galaxy S. Thanks.
Click to expand...
Click to collapse
Yes, yo do not need to backup your original firmware as it is already available on the internet. You just find the same CSC. Modem and PDA file and flash it to return to the original state of your phone.
No, if you follow the guide(word to word), 99% chances are that you will not brick the phone. Even if you brick it, it will mostly be a soft brick. Hard bricks occur only if you are flashing a bootloader.
You can flash to JVT, it is pretty stable. However, the latest is JVZ, 2.3.6.
There is nothing like perfect firmware. If you want to stick with the latest stuff, get JVZ. Since you are a beginner, i would recommend that you get comfortable with flashing Samsung ROMs at first. Then you can Root your phone, flash custom ROMs etc.
itspb said:
Yes, yo do not need to backup your original firmware as it is already available on the internet. You just find the same CSC. Modem and PDA file and flash it to return to the original state of your phone.
No, if you follow the guide(word to word), 99% chances are that you will not brick the phone. Even if you brick it, it will mostly be a soft brick. Hard bricks occur only if you are flashing a bootloader.
You can flash to JVT, it is pretty stable. However, the latest is JVZ, 2.3.6.
There is nothing like perfect firmware. If you want to stick with the latest stuff, get JVZ. Since you are a beginner, i would recommend that you get comfortable with flashing Samsung ROMs at first. Then you can Root your phone, flash custom ROMs etc.
Click to expand...
Click to collapse
What I meant perfect is best firmware for Galaxy S. I'm not a fan of Apple but it performs really smooth, relatively fast and stable.
Is JVZ official Samsung firmware? Do you have the link, looke like Samfirmware hasn't been updated yet. Thanks for your reply
I had few i9000's without imei after wrong flashing. I tried to do something (flash again correctly),but it didn't works. Central service was repaired them (price ~ 15€ in Poland).
Latest official rom in PL is JVT
I just remember one sgs that customer tried to flash it to i9001 or i9003. It isn't good idea . Phone dont start in any mode. Only service jtag helps.
Wysłano z GT-I9000 z użyciem Tapatalk
So I've just downloaded 2.3.6 JVZ, extract it and got five files, they are :
CODE_I9000XWJVZ - PDA
MODEM - PDA
Pit - Pit
Csc - Csc
Then what is file start with APBOOT? Can someone please shed some light, Do I need to put the apboot in bootloader or just those four files? Any reply would be appreciated.
steve19800 said:
What I meant perfect is best firmware for Galaxy S. I'm not a fan of Apple but it performs really smooth, relatively fast and stable.
Is JVZ official Samsung firmware? Do you have the link, looke like Samfirmware hasn't been updated yet. Thanks for your reply
Click to expand...
Click to collapse
SAMMOBILE as I previously said is the new site for all the OFFICIAL samsung firmware releases, both new and old. Register and goto the FIRMWARE tab at the top and see for yourself, just keep an eye on the region on the right.
buttwad said:
SAMMOBILE as I previously said is the new site for all the OFFICIAL samsung firmware releases, both new and old. Register and goto the FIRMWARE tab at the top and see for yourself, just keep an eye on the region on the right.
Click to expand...
Click to collapse
Yes Samfirmware/Sammobile, I found mate, heaps of thanks!
I've flashed to 2.3.6 JVZ. What I feel from this upgrade is the battery life slightly improved, and cosmetic appearance i.e. blue shade colour instead of bouncing when you scroll to the edge of the screen. Overall great firmware.
steve19800 said:
I've flashed to 2.3.6 JVZ. What I feel from this upgrade is the battery life slightly improved, and cosmetic appearance i.e. blue shade colour instead of bouncing when you scroll to the edge of the screen. Overall great firmware.
Click to expand...
Click to collapse
Good for you mate. I've flashed my phone well over 200 times (not including kernels or themes), it's still running same as day one. As long as you can read and don't do something stupid like flashing an incorrect kernel, repartition when you shouldn't or **** around with bootloader - you'll have no problems.
woolf clubs said:
Good for you mate. I've flashed my phone well over 200 times (not including kernels or themes), it's still running same as day one. As long as you can read and don't do something stupid like flashing an incorrect kernel, repartition when you shouldn't or **** around with bootloader - you'll have no problems.
Click to expand...
Click to collapse
Likewise, lost count how many times I've put different roms/themes/kernels on mine, and touch wood not an error in sight. I agree with the bootloader comment...some things best left alone as you can brick it doing that wrong.
Congrats! Now do some research on what you want to do next. You can root, install custom rom, themes etc! It is pretty much the same procedure for everything but be sure to read the instructions and warnings. Never do anything without knowing what you are doing and what effects can it have. And as mentioned before, do not play with the bootloader and you will be just fine.
Sent from my GT-I9000 using XDA App
I'm glad I did, congratulations.