It seems like problems occur whenever people dont push these files.
I have backups of the files so it isnt risky.
[Kernel][OC]Da_G's 1944MHz SGH-i957 LTE OC(Dec 20, 2011)
- Thread starter Croak
- Start date
It seems like problems occur whenever people dont push these files.
I have backups of the files so it isnt risky.
Tried this again, this time pushing the files via adb.
Cannot overclock at all (at any speed above 1.5) without freezes and resets all over the place. Dont know what is going wrong.
Cannot overclock at all (at any speed above 1.5) without freezes and resets all over the place. Dont know what is going wrong.
is there another program that sets clock speeds similar to setcpu?
seems like the kernel works fine for croak and blackberry. i dont know why mine is different.
in adb when i push the files it gives me confirmation, but when i use the chmod command it doesnt give me any feedback in the cmd window. is that normal?
alright. looks like a permissions problem then since my adb command for the chmod didnt echo. ill give that another shot.
so i may not be the smartest. i typed adb shell first to get the # prompt and then i used the chmod commands and got the echo
things are much smoother now. cf bench works fine, but quadrant and antutu crash again. I am running at 1.728 ghz and everything seems fine except for GTAIII. nothing above 1.728 seems stable for my device, but overclocking is still iffy from device to device i think. still, very snappy and speedy. quite happy.
things are much smoother now. cf bench works fine, but quadrant and antutu crash again. I am running at 1.728 ghz and everything seems fine except for GTAIII. nothing above 1.728 seems stable for my device, but overclocking is still iffy from device to device i think. still, very snappy and speedy. quite happy.
I use one called No-frills CPU Control
It over clocks correctly, and deepsleeps fine.
I also have not yet pushed those files over, been running well.
TEKHD
Inactive Recognized Developer / XDA Portal Scout
OC mine @1728... will leave it that way... running rock steady... (I usually go between 200MHz-300MHz over just to be in the safe side...)
Thanks for the tip. Deep sleeps just fine now. I lose the profiles that setcpu has but deep sleep is more important to me.
So I applied the OC kernel and used No Frills to up the CPU to 1.728. I double-checked that it was properly set with cpuspy, but didn't push the lib files. The only problem I seem to have is Market instability. Market seems to crash and freeze @1.728 which I can't reproduce at stock speeds. Bummer.
I pushed the files with adb, now I'm testing.
Antutu ran once and then bombed out (tab reset) the second time.
Market instability still - seems to crash (exit to home) when I do a large search for apps and images are loading, @ 1.728. Just doesn't happen no matter how hard I try, at 1.566.
Antutu ran once and then bombed out (tab reset) the second time.
Market instability still - seems to crash (exit to home) when I do a large search for apps and images are loading, @ 1.728. Just doesn't happen no matter how hard I try, at 1.566.
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3Well fellas, I have a priliminary/test custom CWM recovery image for our device, that should be flashable by ODIN.
I have not flashed it yet, planning on doing it tomarow morning.
In the event that something goes awry, I don't want to be stressing all night long about it
I will keep you all posted!2I have a kernel now for testing with cwm built in. Will have the link soon.
watching progress on the captivate glide cwm i927 as we speak and it worked. ours hopefully should be similar.
we need a more testers!!! PM or reply
So i flashed the recovery. i can get into clockworkmod but there are 4 tiny menus instead of 1 large one. the commands are buggy and i cant backup.
but.....this is a working step. this means we can work off of this. so we are on good ground and we know we wont brick or mess up the device by flashing different recoveries. ty utkanos!1Original Post Gone. Formatted and tweaked original instructions. Original post by Croak can be found quoted at the bottom of page 8. Please read entire post before asking any questions. All credit goes to Da_G.
This is ONLY for the SGH-i957 and SGH-i957M (Bell).
WARNING: THIS WILL TRIP YOUR FLASH COUNTER [aka VOID WARRANTY]
NEXT WARNING: USE OF ODIN CAN DAMAGE YOUR DEVICE IF USED INCORRECTLY. WE ARE NOT RESPONSIBLE FOR ANY DAMAGE DUE TO FOLLOWING THESE INSTRUCTIONS. PROCEED WITH CAUTION.
Steps:
1. Download and Install the Samsung Drivers for your device. Install Kies, or the latest mobile drivers.
http://xdaforums.com/showthread.php?t=961956
2. Download Da_G's overclock kernel.
http://www.ponack.net/TPC/dagnarf/sgh-i957-oc-kernel-dag-1944mhz.tar
3. Download Odin 1.85
http://www.multiupload.com/0EMX1J7RZJ
3. Open Odin 1.85 as administrator
4. Place the OC kernel .tar file in the PDA slot. (Make sure you do not have any boxes in the options panel checked besides the ones that were checked when opening the program - should only be auto reboot and f.reset time)
5. Place the tablet in download mode. Hold vol up + vol down and hold power until the device powers on into download mode. Hit volume up to proceed after the warning screen
6. Plug the tablet into the computer on a main usb slot and it will be detected by Odin in one of the ID:COM slots (will appear as yellow)
7. Hit Start - the OC kernel should will be flashed to the tablet. Tablet will restart.
8. Go into market and download NoFrills
9. Set Max. Clock Freq. to 1.728, 1.782, 1.836, 1.89, or 1.944 GHz. Set your min clock speed to 192 MHz if desired. If you run into problems, set your I/O scheduler to noop instead of cfq. DO NOT CLICK 'APPLY ON BOOT' UNLESS YOU HAVE THOUROUGHLY TESTED THE STABILITY OF THE DEVICE AT THE SET GHz!!!
If you are unhappy for any reason and wish to go back to stock kernel - you can flash the stock kernel back using steps 3-7 above with the below file.
http://ponack.net/TPC/dagnarf/stock-kernel-odin-image-for-sgh-i957.tar
If you are still experiencing instability at any speed above 1.566 GHz, there are certain .so files (libhardware_legacy.so, librpc.so, and libtalk_jni.so) which limit speeds and can override the OC sometimes. Da_G modified these files which can be pushed to the device through adb commands. I won't explain how to get ADB working, it can be found on XDA elsewhere.
Link to .so files
http://www.ponack.net/TPC/dagnarf/moddedfiles-i957.zip
ADB Commands (do the following once for each file in the .zip):
Edit by Da_G: Here is a link to the requisite source, always up to date! https://github.com/dagnarf/i957kernel
_________________________________________________________
Credits:
Huge thanks to Da_G for doing ALL of the work on the OC kernel without owning the device. And also for hosting the files. Please Donate to him.
Croak for being the first to test!1we arent out of the woods yet. there are a few issues we are working out. samsung did some weird stuff with this tablet.....but we wont brick it which is ok. give us a day or two more. hop in IRC if you want.
edit: got into 1 menu cwm with single toggles. very nice. also very late so we will continue tomorrow. good stuff happening.
