Database Develop

[Q] Downgrade to 2.1?

Is it possible to downgrade from 2.2 to 2.1? I upgraded to 2.2 yesterday and now the phone is very sluggish. In 2.1 Launcher Pro was smooth as a baby's bottom and now it's not.
After the upgrade I did a factory reset, which I've read would solve a lot of problems.

Same problem
I am looking for the same solution.
Since I upgraded my galaxy s to 2.2 using odin3 I've got a lot of problems on the phone now. The Swype doesn't work Internet keeps crashing and the operating system crashes too. Google voice speak is also not working.
I've heard the only option is to re flash it but I don't know how to reflash or downgrade it to 2.1
Please let us know. My basement got changed to jp1 after Odin3

Most problem is old settings from 2.1.
The easiest way is to do a factory reset. Wipe the catch and format the internal sdcard.
If that works you can put back your app. Don't restor any old settings.
The other way is to make sure the phone is clean and flash latest firmware with odin.
Sent from GT-I9000 jpo. My own kernel for z4mod and with 341MB Ram

Q: 2.3.3 Lagfix?

Hey guys so I managed to upgrade my ROGERS captivate to stock 2.3.3
and succesfully rooted it. And I'm noticing lags and in general, it's slower than my older stock 2.2 with One Click Lag Fix..
I used to score almost 2k on 2.2
but now with rooted 2.3.3 I only score 1k. Is there some sort of lagfix I can do to make it less laggy and more fluid/smooth? Or should I just go back to stock 2.2 and lag fix it?

No Only 2.3.3 native rom to use lag fix was Cognition 5. That was KF1.

Uhm what does that mean? I'm kind of new.. so is that a custom ROM or something? if it is, can I flash it on a ROGERS captivate?

Any rom made for or ported to I897 would work on your I896. If you are going to move to a rom I would recommend Fasty KI2 that has Voodoo, or Fusion roms.

Thank'd
this is what you're talking about right?
http://forum.xda-developers.com/showthread.php?t=1283828
I kind of know how to flash custom ROM's but I'm not sure what
"YOU MUST HAVE GB BOOTLOADERS" means >.>
I know that I have to get stock 2.1 and root it and then flash it...

No dont go back to stock. If you want flash a stock KI2 or KH3 with out bootloaders and use Boog's cwm kernel and flash fasty.

uhm.. to be honest I don't really know what that means @[email protected]
but wouldn't this work?http://forum.xda-developers.com/showthread.php?t=884364
I'm thinking just getting stock 2.1 then rooting it and then flashing...
seems more simple o:
so would this work?

For froyo roms ya. For Gingerbread is a whole other can of worms. If you are already on Gingerbread then just flash a kernel with cwm (not sure what gb you are on) and factory reset, wipe cache, wipe Dalvik and flash rom.

I tried installing CWM recovery with ROM manager but
when i press it it says confirm phone model and
galaxy s i9000, nexus and other phones show but not
captivate.. and which kernal do I have to flash?

Read READ READ READ READ READ and read some more. If you don't know what gb bootloaders are that should at least have 15min of reading by it self. Also, read the stickies (the posts with thumbtacks) in the development section.

Rom manager is useless. You need too flash a Kernel with CWM cooked in it. With either kernel flasher (app), ODIN or Heimdall.

T-T I poked around and read some threads.. but I'm not sure what my GB bootloaders are T-T i'll list some stuff and maybe that is the GB thing
PDA:1896UXKH2
PHONE:1896UXKH2
CSC: I896RWCKH2
T-T
so I just find any kernal with CWM and then flash it using odin?
and if i do use odin do i use .pit file?

You are on Rogers Gingerbread. You have GB bootloaders. Flash KH3 with out bootloaders found here, Then flash kernel found here (use the ODIN KH3 one). Use CWM do a factory reset, wipe cache and wipe Dalvik cache then flash Fasty or wich ever rom you like and Profit. If you going to use a Fasty with Voodoo, these kernels take a long time to boot and if voodoo is enabled you will hear chirping and take even longer.
This ins't the only way, its what I would do atleast.

Thanks so much I'll try it as soon as I get home
Sent from my SGH-I896 using XDA App

Uhm.. you put the same links twice i think both of them are
http://forum.xda-developers.com/showthread.php?t=1233620

Kernel is this. You can use the search in the dev section.

Thanks! I'm going to try it now
I'll post results shortly after

I successfully flashed kernal and I hace cwm recovery now but
I can't download the fantasy 3 :/ the link is broken..

Fantasy? Im going to assume Fasty?
Edit: it seems his site is down. Going to have to wait for it.

yea I meant fasty*
I guess I'll have to wait then since fasty looks like the best option out there :/

Upgrade help from Froyo!

Hi
I just tried upgrading via Kies from my current old config, but it advised that my phone couldnt be upgraded... The current set-up is (as per Kies):
PDA: JPO
Phone: JPP
CSC: JPO (VOD)
From Settings, it says:
Firmware: 2.2
Baseband version: I9000XXJPP
Kernel: 2.6.32.9 [email protected] #14
Build: FROYO.XXJPO
I want to upgrade to the latest best featured stable software, custom or stock, that provides good battery life and best features. I'm not averse to custom kernels as I understand they provide cool additional features such as BLN and optimised audio etc. What would be the best latest ROM/Kernal set-up to provide what I need?
I originally flashed the above via Odin, so I'm comfortable doing that. With respect to the Speedmod lagfix I have installed, do I need to disable that? I can see a disable option to disable in CWM.
Is there a simple step by step that I can follow to get the latest software on without screwing up my phone! I've backed up some apps using Titanium Backup and have my SMS /contacts backed up to SD, so I'm ready to rock and roll...
Thanks in advance

S4chin said:
Hi
I just tried upgrading via Kies from my current old config, but it advised that my phone couldnt be upgraded... The current set-up is (as per Kies):
PDA: JPO
Phone: JPP
CSC: JPO (VOD)
From Settings, it says:
Firmware: 2.2
Baseband version: I9000XXJPP
Kernel: 2.6.32.9 [email protected] #14
Build: FROYO.XXJPO
I want to upgrade to the latest best featured stable software, custom or stock, that provides good battery life and best features. I'm not averse to custom kernels as I understand they provide cool additional features such as BLN and optimised audio etc. What would be the best latest ROM/Kernal set-up to provide what I need?
I originally flashed the above via Odin, so I'm comfortable doing that. With respect to the Speedmod lagfix I have installed, do I need to disable that? I can see a disable option to disable in CWM.
Is there a simple step by step that I can follow to get the latest software on without screwing up my phone! I've backed up some apps using Titanium Backup and have my SMS /contacts backed up to SD, so I'm ready to rock and roll...
Thanks in advance
Click to expand...
Click to collapse
Most devs include the steps you should take to install their rom on their relative threads. i would recommend Darky's rom or Milky if you want something very stable and with up to date software.
i doubt you'll have any trouble installing them.
Good luck!
by the way, you should disable any lagfixes before installing a new rom, or use the kernel cleaning tool.

Have you tried the stock firmwares from Samfirmware.com?...
Sent from my MB860 using xda premium

It's usually better to disable lagfix before flashing a new rom. You should first ensure that you're on a stock rom. If you're not, flash the odexed JPO rom to go back to stock. From there, you'd want to upgrade to a gingerbread rom. Download a gingerbread rom that has bootloaders and flash via odin. After that, you can easily flash newer roms like JVR, JVS or JVT. JVS and JVT are newer (2.3.5) but have more bugs than JVR (2.3.4).

disclaimernotice said:
It's usually better to disable lagfix before flashing a new rom. You should first ensure that you're on a stock rom. If you're not, flash the odexed JPO rom to go back to stock. From there, you'd want to upgrade to a gingerbread rom. Download a gingerbread rom that has bootloaders and flash via odin. After that, you can easily flash newer roms like JVR, JVS or JVT. JVS and JVT are newer (2.3.5) but have more bugs than JVR (2.3.4).
Click to expand...
Click to collapse
Hi
Thanks for your note. Can you clarify the process for me (I'm not great at doing this stuff!)... I think I quite like the sound of Milky's ROM/Kernal. So following your advice above...
1. Enter CWM and disable the lagfix
2. Download and flash odexed JPO. I still have the JPO file that I put on my phone via Odin (named: JPO_JPO_U_JPP - about 280mb in size). Is this the right file? If so, how do I flash it? (am guessing via Odin but in which section (PIT/PDA/PHONE/CSC) and what do I put in the rest?)
3. Download Milky's (assuming I want Milky's ROM and Kernal etc)
4. Install via Odin
5. Restore all apps etc
6.
If you can help clarify my (mis)understandings and add in any steps I have missed, it would be really helpful.
Thanks

S4chin said:
Hi
Thanks for your note. Can you clarify the process for me (I'm not great at doing this stuff!)... I think I quite like the sound of Milky's ROM/Kernal. So following your advice above...
1. Enter CWM and disable the lagfix
2. Download and flash odexed JPO. I still have the JPO file that I put on my phone via Odin (named: JPO_JPO_U_JPP - about 280mb in size). Is this the right file? If so, how do I flash it? (am guessing via Odin but in which section (PIT/PDA/PHONE/CSC) and what do I put in the rest?)
3. Download Milky's (assuming I want Milky's ROM and Kernal etc)
4. Install via Odin
5. Restore all apps etc
6.
If you can help clarify my (mis)understandings and add in any steps I have missed, it would be really helpful.
Thanks
Click to expand...
Click to collapse
2) I don't know if that's the stock one, but you can find the stock JPO from here: http://forum.xda-developers.com/showthread.php?t=846913
3) Since Milky is based on JVR, it would be safer to flash the stock JVR rom with bootloaders via odin first, before you flash milky's rom. You can find the stock JVR here:http://forum.xda-developers.com/showthread.php?t=1195335
Then, flash Milky's rom, but check to make sure there are no other special instructions for that rom.
All the other steps seem to be fine. So, basically, you flash 3 times. First time is to go back to stock JPO, second time to go to stock JVR and third time to go to modified JVR, which is Milky's rom.

Thanks all for your advice.
I took the plunge yesterday and installed Milky's without installing the stock ROM's (not the right thing to do I know!). I did disable the lagfix and reset the ROM to stock within CWM.
Anyway, luckily it all went really well (following Milky's detailed instructions with the package) and I was on the new software quickly.
The phone is set up nicely now, so I'm pleased it went so smoothly.
One question - I understand I can fiddle around with the voltage and processor speed. Is there an optimum level to maximise battery life without performance suffering?
Thanks again!

S4chin said:
Thanks all for your advice.
I took the plunge yesterday and installed Milky's without installing the stock ROM's (not the right thing to do I know!). I did disable the lagfix and reset the ROM to stock within CWM.
Anyway, luckily it all went really well (following Milky's detailed instructions with the package) and I was on the new software quickly.
The phone is set up nicely now, so I'm pleased it went so smoothly.
One question - I understand I can fiddle around with the voltage and processor speed. Is there an optimum level to maximise battery life without performance suffering?
Thanks again!
Click to expand...
Click to collapse
If you want to overclock, it's pretty safe to use apps like Tegrak Overclock to go to 1200MHz. The extra 200MHz will not really affect battery life. Also, you could check this thread out: http://forum.xda-developers.com/showthread.php?t=1250442

[Q] Upgrading from Milky's kernel 2.3.4 JVR to ICS

Hi all
I'm currently on 2.3.4 JVR with MilkyS Mod 1.3 and think it's time to take the plunge to ICS. I really like the speed and stability of my current set up, so was just wondering if you could help answer a few questions:
1. What's the best ICS ROM for me considering I like MilkyS? Battery life is important as is stability.
2. I have CWM already on my phone. To upgrade, is it just a case of doing a CWM back-up of my current set up, and then clearing cache's etc, downloading the new ROM to SD card and running the zip file in CWM? Or are there additional steps?
3. If I screw it up, or an unhappy, can I reload my current backed up set-up via CWM without risk?
Thanks in advance
Sach

I used dark knight v3 , it is good. just flash from cwm. but if you want to go back to GB. you will need to flash from odin , can NOT just restore a ndriod backup ....I tried it and my phone is now bricked...
Sent from my Dell Streak using XDA

[Q] Possible to have infected kernel in GB?

Hey guys;
Started on Aussie firmware. Flashed to rootable UK GB, but the thing updated to the new ICS, which I know has an unsafe kernel.
I then rooted using dr.ketans method, and I also installed clockworkmod.
Since the kernel was unsafe, I then reflashed the UK rom and tried to skip the ICS update (no luck), but when it installed everything kept FC'ing.
I did NOT perform any recoveries or wipes!
I flashed to a generic, prerooted GB, but everything kept FC'ing. I couldnt access anything. I then flashed back to stock Indian rootable GB, which didnt auto upgrade to ICS. It was fine until I turned the phone off then back on, but now it is doing the same FC thing as the prerooted rom.
So far, I have only used PC Odin (using the single PDA mostly). I also havent performed ANY wipes (I still have all of my contacts and apps from the original Aussie stock). I stuck to Odin because I was told the eMMC bug from my faulty ICS wouldnt be triggered.
I guess the FCing has something to do with not performing a wipe and changing the firmware like 10 times. Unfortunately, I cannot access the *#1234# because the dialler wont work at all.
Bottom line: If I am on stock GB by flashing through Odin, is there still a chance I have an infected kernel? Also, I imagine my best way out of this would be flashing the prerooted ROM and performing a wipe, before moving to something like Paranoid?
Jesus Christ.
Thanks guys,
Vincent.
Edit: Settings is telling me the kernel version is KL3. Guess its safe?

Only official ICS kernels are affected by the emmc bug so unless you are on a LP* rom/kernel you're safe to do a wipe/factory reset. It will most likely solve all your fc problems.

VincentRC said:
Hey guys;
Started on Aussie firmware. Flashed to rootable UK GB, but the thing updated to the new ICS, which I know has an unsafe kernel.
I then rooted using dr.ketans method, and I also installed clockworkmod.
Since the kernel was unsafe, I then reflashed the UK rom and tried to skip the ICS update (no luck), but when it installed everything kept FC'ing.
I did NOT perform any recoveries or wipes!
I flashed to a generic, prerooted GB, but everything kept FC'ing. I couldnt access anything. I then flashed back to stock Indian rootable GB, which didnt auto upgrade to ICS. It was fine until I turned the phone off then back on, but now it is doing the same FC thing as the prerooted rom.
So far, I have only used PC Odin (using the single PDA mostly). I also havent performed ANY wipes (I still have all of my contacts and apps from the original Aussie stock). I stuck to Odin because I was told the eMMC bug from my faulty ICS wouldnt be triggered.
I guess the FCing has something to do with not performing a wipe and changing the firmware like 10 times. Unfortunately, I cannot access the *#1234# because the dialler wont work at all.
Bottom line: If I am on stock GB by flashing through Odin, is there still a chance I have an infected kernel? Also, I imagine my best way out of this would be flashing the prerooted ROM and performing a wipe, before moving to something like Paranoid?
Jesus Christ.
Thanks guys,
Vincent.
Edit: Settings is telling me the kernel version is KL3. Guess its safe?
Click to expand...
Click to collapse
As chasmodo said that wiping in gb again and again even your arse it will not bricked your phone. If you use the latest mobile odin there a data wipe you can check before it install a new rom try it.

Probably. Non wipe gb rom, leaving many ics stuff that messes gb up.
Migrating from ics to gb, go search on that
Sent from my GT-N7000 using Tapatalk 2

I am assuming you did clear cache and dalvik cache before installing a new rom, that's OK, just not to format system or do a factory reset if you are using a kernel that suffers the emmc problem...
If you don't clear cache and dalvik cache then you will have fc's...

Hey guys:
Ended up flashing Abyss, wiping everything, then CWMing paranoid. All good now.
You guys are terrific, I guess this can be locked now? Thanks again!!!
Sent from my GT-N7000 using xda app-developers app