Froyo and gingerbread - Captivate Q&A, Help & Troubleshooting

Hey I was wondering if you could flash a custom gingerbread rom over a custom froyo rom. Right now I am running phoenix ultimate rom and onix kernel 2.0.1 and uckb1 modem
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Flash GB bootloaders first. And to warn you, ur gonna get a lot of crap for posting this question. There is a ton of info on this forum about this. Just an fyi. Definitely search and read before doing anything. If you do this wrong you will hard brick your phone!
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*cough* read this. *cough*

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How do I flash the unhelpful kernel

I am using the newest cog Tom and would like to be able to use a kernel that enables oc/UV and the different lagfix options. Can anyone tell me how I flash just the kernel over the cog Tom?
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i wasnt aware that unhelpful had created a 2.2 kernel?
so what you want to do is flash a 2.1 kernel into a 2.2 rom? are you sure you have read the dev forums?
If there it is a 2.2 kernel, just flash the stock 2.1 kernel with odin and flash the one you want over (sorry vague) but just search it
*edit*
Its on the cognition wiki
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adr1aN said:
If there it is a 2.2 kernel, just flash the stock 2.1 kernel with odin and flash the one you want over (sorry vague) but just search it
*edit*
Its on the cognition wiki
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i know how to flash a kernel, but the OP stated they were on the latest COG which is 2.2. unhelpful's kernel is a 2.1 kernel. flashing a 2.1 kernel on a 2.2 rom will end in boot loops....it wont be pretty.
the only kernel that i know of at this time for us to use OC/UV on 2.2 is setiron's, and its a modified i9000 kernel.
rather than trying to get someone else that has already done the legwork on learning ODIN to respond, I think the OP needs to read...a lot
I have been reading alot and can't seem to find a direct description on how to do this.
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mhajny said:
I have been reading alot and can't seem to find a direct description on how to do this.
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probably because you havent provided enough information....
i will repeat.
if you try to install unhelpful 2.1 kernel on a 2.2 rom, it WILL NOT work.
so, are you trying to do this on a 2.1 rom or a 2.2 rom?
there are plenty of instructions out there, so you havent read enough.....there are really only 2 ways to flash a kernel. through Clockworkmod or through ODIN.....pick your poison.
If you flash cog 2.1.7 you will have unhelpfuls kernel version 1.7 but i prefer version 1.4.1 despite the lack of voodoo lag fix. It just worked better on my phone. Great battery life.
overclocking may not be enabled at first so read unhelpfuls first post first if you dont get it ask more questions.
If you flash a cog 2.2bx 2.3bx or 2.4.x rom then you are looking for setirons kernel. It has more advanced lagfix options but i get battery drain so the undervolt thing is useless. There is a way to fix it but its too much to explain.
All in all overclocking is mostly for bragging rights. On ecliar it was good using unhelpfuls kernel.
Setirons kernel may be very advanced but there are tradeoffs it being an i9000 port.
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Ok thank you
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[Q] Explanation of Compatibility of Custom ROM's

Hey guys, if you know me on DroidForums, I was one guy who would flash all the ROMs in the Custom ROM section. With the Captivate, I'm confused with all the bootloaders, since I never needed to worry about that stuff with the Droid. So can someone explain to me how to flash bootloaders, and how to know which bootloaders I need? (btw I'm on mac)
Lol,
How to flash bootloaders is actually stickied.
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wretchedhorror said:
Lol,
How to flash bootloaders is actually stickied.
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Click to collapse
Ok, thanks, but what about compatibility between a Gingerbread ROM and a Froyo ROM? This never happened to me because on the Droid, you could just flash the hell out of the phone and didn't have to worry about bootloaders, all you could do is wipe and install, and you were done.
Please search before opening a new thread, let alone a new thread in the wrong section. Do your research.
Thread closed

Serendipity 6.4 help

Im trying to flash a overclockable kernel, and i know there are plenty, i just dont know if theyre compatible with this rom... Any help?
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Any froyo 2.2 kernel will work. Stay away form 2.3 and cm7/miui kernels!
You'll have to go a few pages into the dev forum to find them.

Updating to latest firmware

Hi. Im pretty new to all this and was just looking for some guidance. I got the Captivate about under 2 years ago and have never updated it? I tried to using Kies but it never worked. Always said that the device wasnt recognised or something. So my question is, what is the latest stock firmware for the Captivate and how can i flash it?
Thanks!
latest official supported version is 2.3.5, KK4 -gingerbread.
you can find links to stock roms and tools for flashing in the stickies at the top in the captivate android development forum.
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laughingT said:
latest official supported version is 2.3.5, KK4 -gingerbread.
you can find links to stock roms and tools for flashing in the stickies at the top in the captivate android development forum.
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Click to collapse
Hi. thanks for the reply! so i had a look there and just had a few questions. i am currently on froyo and so want to upgrade to gingerbread. do i need to flash the stock kernal? or the bootloader one? and if its a bootloader one, do i need the one with or without the bootloader? also, what does it mean by modems for the captivate?
thanks!
^
U better do a lot more reading before you try flashing something...Read all of Stickied Threads that apply to what you want to learn about. I don't want to see ya brick your phone...
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4-2ndtwin said:
^
U better do a lot more reading before you try flashing something...Read all of Stickied Threads that apply to what you want to learn about. I don't want to see ya brick your phone...
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Click to collapse
i have flashed phones b4, i just always have trouble finding wat exactly i need to flash.. like i have a gs2, the captivate is my sisters and i wanted to upgrade it to her. but i have flashed the s2 a few times. just need to no what to flash.. i no i have to use odin but just not sure which file..
I answered your post in the other Thread here.... http://forum.xda-developers.com/showthread.php?p=32183678
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[Q] Captivate won't enter download mode...

First time posting on Xda, but i've been browsing for awhile, nothing helped my scenario so I'm gonna post about it;
So recently I got a used Captivate I896 on ROGERS from my friend as he wasn't using it. Nothing was wrong with it, worked fine and I got the captivate when it had 2.2 stock FROYO. Through a bit of research and a different friend informing me, I figured out I could update it to stock 2.3.3 on rogers through Kies which I did. Everything was going well, phone did everything I needed it to on Gingerbread. Then... The same friend who told me about updating to 2.3.3, started talking to me about roms and rooting, this is when I found out about Xda. So for awhile I was looking into roms and trying to find a decent ICS rom to put on to my cappy as I saw countless videos on youtube and threads here on Xda of people running ICS with few problems. So... with my friend's help I took the bull by the horns and successfully rooted my cappy on 2.3.3. Downloaded Rom manager.. and then we figured out it wasnt supported for the captivate so I flashed the CornKernel which got me the correct version of CWM. This is where everything started to go downhill... We found TeamHacksung's ICS rom for the cappy on youtube. I downloaded the files onto my device, made a backup, and booted into CWM. Everything was going smooth, we wiped the phone, did everything correctly from the video instructions and then went for the reboot. It booted but... Soon after it started to bootloop. At this point I was panicking as it was my current phone I was using. I managed to get it back into CWM and we tried the files again... Same result in a bootloop. Oh, might i mention, the Backup file didn't work for some reason. Maybe I did something wrong? But anyways, at this point I thought I was bricked as the phone would only Bootloop. Talking to my friend on skype, he linked me "Odin" I had heard about it at the time but I was unaware of what it could do. He then linked me "How to get Samsung Captivate into Download mode" which i followed the steps and got my device into download mode and restored it using Odin. It was a successful restore, it worked... but... As I mentioned before, had the rogers boot screens and it WAS an I896.. but when i rebooted the phone it was now running 2.1 Eclair with At&t boot screens and it now thinks its a I897. At this point I was like, I'll just use it for awhile and hopefully we can try this again soon as it was getting late and I needed my phone the next day. After about a week of using Eclair, I was ABSOLUTELY sick of it, everything felt outdated and old. So I looked into flashing my phone back to either stock 2.2 or stock 2.3.3 OR even all the way to ICS. Then bad things started happening again... Whatever my friend linked me to restore my phone using Odin it left me with this:
Model number: SAMSUNG-SGH-I897 <---(Was I896)
Firmware version: 2.1-update1
Baseband version: I897UCJF6
Kernel version: 2.6.29 [email protected] #2
Build number: ECLAIR
None of this seemed right to me, which now, I THINK it's not right. I tried all button combos to get it back into download mode to possibly flash 2.2 or 2.3.3 again... But NOTHING, download mode won't work after all that, which it did in the past otherwise I wouldn't have this problem right now. So I decided to Root my phone again, which I successfully did through a OneClick method (Forget which one I used). I decided maybe I could download ROM manager on the market, seeing as my phone is outdated and I can't use Google Play. Soon I found out Rom manager (Atleast the free version) doesn't exist on the Market. I tried 3rd party websites like 4shared to download it but Eclair has no options to allow untrusted sources. ALSO, I tried settling for Kies and Kies Mini, both of which recognize my phone as a "unregistered device" even though I used Kies in the first place. I feel i've dug myself into quite the hole now, so sick of this phone at this point
P.S. I've debated making a Jig to force it into Download mode... but would this be the solution? And if so, what could i use to flash back to stock? AND sorry about the long post, I wanted to include as much info as I possibly knew about my phone.
I feel I should mention again, the phone DOES work, but I'm sick of Eclair and I would like to get back to stock. Please help, anything would be great at this point.
Thanks
You really shouldn't flash back to eclair for that reason. You should update to gingerbread with bootloaders. To get download mode, you will need either a jig or adb reboot download.
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Okay, I'll go buy resistors to make a jig sometime this week. But if I did, what should I use to flash 2.3.3 gingerbread? And which stock rom should I use?
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camxv said:
Okay, I'll go buy resistors to make a jig sometime this week. But if I did, what should I use to flash 2.3.3 gingerbread? And which stock rom should I use?
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Click to collapse
trusselo has a thread for Rogers one clicks in the development section. Those should work for you.
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Ok thanks for the help. Once I get back to 2.3.3, do you recommend any ics or jellybean roms?
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camxv said:
Ok thanks for the help. Once I get back to 2.3.3, do you recommend any ics or jellybean roms?
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Well, depends what you're looking for. If you want to be on the latest, and not the greatest, I would choose any of the ICS roms. The Collective has some good stuff, and so does Cyanogen. CM10 is updated "daily" where I'm not sure what the Collective's release schedule is. You'll find that both of those are "laggy" though, as that's been my experience. I had CM9 ICS on my Captivate and it was certainly a good "daily driver".
I was looking into Jellybean.. But I'm not sure. Is CM9 a good choice? Cause I've been look at it, and considering it? Can you link me to CM9?
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camxv said:
I was looking into Jellybean.. But I'm not sure. Is CM9 a good choice? Cause I've been look at it, and considering it? Can you link me to CM9?
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Honestly, you could go either way. Generally, I felt like CM10 ran a bit slower, but that may have changed with the recent partition change. If you want the latest and most up to date, go with CM10. CM9 may perform better but it won't get new features. It's up to you to decide which you like better. You can find nightly threads for both in the development section.
In the development section, is the thread by illuminatedone the correct thread? Cause it's the only stock rom thread I could find. And can I ask what Nightly means?
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camxv said:
In the development section, is the thread by illuminatedone the correct thread? Cause it's the only stock rom thread I could find. And can I ask what Nightly means?
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The fourth post in that thread links to the Rogers one.
Nightly builds are built almost everyday by the buildbot, and they contain all the latest changes. They are generally considered to be less stable than the stable releases.
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Are they stable enough for daily use though? And are you sure it's the 4th post in the development section? That post is just modems its a thread by devz3r0
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This thread this post here... http://forum.xda-developers.com/showthread.php?p=18371028
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camxv said:
Are they stable enough for daily use though? And are you sure it's the 4th post in the development section? That post is just modems its a thread by devz3r0
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I consider them good enough for a daily driver, yes.
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Ok. I shall give it a try then... But final question. What kernel should i flash when im back on 2.3.3 to get CWM? Im also nervous to flash back to Gingerbread, i dont want to mess up my phone again :/
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camxv said:
Ok. I shall give it a try then... But final question. What kernel should i flash when im back on 2.3.3 to get CWM? Im also nervous to flash back to Gingerbread, i dont want to mess up my phone again :/
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Really any GB kernel, but I'd go with Corn.
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Hm, thats what I used before. Thanks though ill flash it again
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Hello again everyone in the Q/A cappy forums. I know ive had the questions i needed answered in this thread but... I've yet to flash my cappy back to stock 2.3.3 rogers cause ive been reading about bootloaders and ive just been scared to do it. How do i find out about the bootloaders on my phone and are they nessessary? Thanks
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U have bootloaders on ur phone regardless.
If u r running eclair/froyo, then u have those bootloaders. If u r running gingerbread, then u have those gb bootloaders. Simple as that.
If u try to run a gb firmware on ur phone and u have a really bad pixelated screen when it boots up then u r trying to run a gb firmware with eclair/froyo bootloders. U need gb boots to run gb firmware.
If u have a running gb firmware on ur phone then u have gb bootloaders... Also they are backwards compatible and u don't need to flash bootloaders again.
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Im currently running eclair, but i was on stock gingerbread before this whole mess. Does that mean i still have gb bootloaders or what...?
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That depends on whether the eclair firmware that u used contained bootloaders or not...
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