Samsung Galaxy S2

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OGroteKoning said:
The CM9 nightlies are non wipe. So flashing them over a previous version should be fine. It is good practice to wipe cache and dalvic cache. I did not do either. I think it is done automatically by the newer version. I did not lose any preferences. I would suggest you to get intk CWM recovery and flash from the dual boot options menu. 1st important step is to make nand backup of the rom in recovery.

I learnt the hard way that if you flash CM9 to the primary rom that it installs its own kernel. I lost Siyah. The only way to get it back was with Mobile Odin. It was a bit of a schleb, but not the end of the world. GM always makes 2 versions of any of his kernels. One you can flash with CWM and one you can flash with Mobile Odin. But now I keep my experiments purely on secondary rom.
Click to expand...

Hey, are you on Vodacom? I need to update the message service center number but can't get it to update. Do you know what yours are? I dial *#*#4636#*#*, go to Phone Info, and update SMSC. But when I update it to "+27829119
" I get an error. Don't know what it's supposed to be.
 
Third Blue From the Sun said:
Why CM9 though? Never used it, just curious?
Click to expand...

I'm not sure what you are asking ... but here goes ... I don't know. My primary rom is still stock ICS XWLPD. I just like the idea of the rom (CM9) being developed over a number of months with a release every night for testers to test and to sort out bugs. It has a proper ICS look and feel and boasts Trebauchet (spelling???) launcher with no bloatware, although you can download gapps to get some stock apps back. There are some things I don't like, mainly the fact you can not mute an incoming call by turning the device over and you can not sort your apps in the app drawer or put it into folders (the latter being my biggest gripe with the rom). Apart from that, this is a very stable rom and properly tested. This morning (one here) I saw that they have a release candidate (RC) and that is awesome news! It means that we are very close to a rock solid version of one of the most popular roms out there. I will however wait a while to see what people's comments are regarding the RC.

Like all other roms, test and see if you like it. I have tested Ressurectiuon, Wanamlite, D4, etc and alway go back to stock ICS LPD (with Jkay and ICS Domination)
 
Pakka said:
Hey, are you on Vodacom? I need to update the message service center number but can't get it to update. Do you know what yours are? I dial *#*#4636#*#*, go to Phone Info, and update SMSC. But when I update it to "+27829119
" I get an error. Don't know what it's supposed to be.
Click to expand...

try this link - worked for me - Updating Vodacom SMSC
 
Pakka said:
Hey, are you on Vodacom? I need to update the message service center number but can't get it to update. Do you know what yours are? I dial *#*#4636#*#*, go to Phone Info, and update SMSC. But when I update it to "+27829119
" I get an error. Don't know what it's supposed to be.
Click to expand...

That is completely the wrong number!!! The number you want is like +-10 digits long. I will look for it and reply ... Now if I can just remember where I found it in the first place ...... :erm:

PS: I don't know if that will make a difference ... In the meanwhile, dial *111# and request the Internet and MMS settings.

EDIT: Yup ... thanks powermzii that is the right post!
 
Last edited:
Thanks guys. Yip, that method on the XDA thread powermzii posted is correct. The number I found that works now for Vodacom is: 05917 22819 9111 0
 
Pakka said:
Thanks guys. Yip, that method on the XDA thread powermzii posted is correct. The number I found that works now for Vodacom is: 05917 22819 9111 0
Click to expand...

Sweet :-) glad it helped. Its interesting that in some ROMS it hasn't been resolved though
 
Pakka said:
is it just me, or doesn't your phone go into deep sleep when BLN is enabled?
Click to expand...

Never had that issue, even though BLN doesn't seem to be working for me in MIUI. My phone lost 0% battery life from 22h30 - 05h30 this morning. I was quite impressed.
 
Damn how do you guys do it?!

I've changed the following settings in ExTweaks, but don't get the same results:
Scaling Max Freq: 800mhz
Scaling in Freq: 100mhz
Governor: Pegasusq
I/O Scheduler: SIO.

I have confirmed that my phone goes into deep sleep as it should, but I still can't get a full day's battery life :( Any ideas?
 
I thought I would post my setup here for comparrison by others using Siyah:

Firmware/Rom: Stock ICS XWLPD
Kernel: Siyah v 3.2.7.1

Kernel settings using ExTweaks

Profile: Battery

CPU
Hotplug: Default
CPU Idle mode: AFTR+LPA
Smooth scaling: 800MHz
SCHED_MC: 0 (I found that if I set this to 1 or 2, I get freezes and resets)
CPU U/V: -50Mv
CPU step count: 18
Governor: Pegasusq
Scaling maximum frequency: 1000000MHz
Scaling minimum frequency: 100000MHz

GPU
GPU Freq steps: 40/133/267 MHz
GPU Voltage levels: 900/950/1000 mV
GPU Threshold 1 up: 85%
GPU Threshold 2 down: 25%
GPU Threshold 2 up: 85%
GPU Threshold 3 down: 40%
GPU staycounts: all set at 1

SCREEN
Genreally I have auto brightness setting enabled
Touchmove: 5 pixel
Min BL: 40
Min Gamma: 0
Max Gamma: 24
Gamma shift: 0
Vibration: 3

BLN
Not activated

MISC
Android logger: Activated/ticked
Scheduler: SIO
Charge current: AC,MISC:650mA, USB:450mA

Then in SetCPU, I use AndreiLux's governor settings. You can try this to see if there is any improvement for you. These settings are all under the tag GOVERNOR (only tag which is set on boot in SetCPU)
Sample rate: 40000
Up threshold: 90
Sampling down factor: 2
Ignore nice load: 0
IO is busy: 0
Down differential: 5
Freq step: 30
CPU up rate: 10
CPU down rate: 20
Max CPU lock: 0
Hotplug lock: 0
DVFS debug: 0
Hotplug freq 1 1: 40000
Hotplug freq 2 0: 20000
Hotplug rq 1 1: 350
Hotplug rq 2 0: 200
Up threshold at min freq: 95
Freq for responsiveness: 100000
 
Last edited:
OGroteKoning said:
I thought I would post my setup here for comparrison by others using Siyah:

Firmware/Rom: Stock ICS XWLPD
Kernel: Siyah v 3.2.7.1

Kernel settings using ExTweaks

Profile: Battery

CPU
Hotplug: Default
CPU Idle mode: AFTR+LPA
Smooth scaling: 800MHz
SCHED_MC: 0 (I found that if I set this to 1 or 2, I get freezes and resets)
CPU U/V: -50Mv
CPU step count: 18
Governor: Pegasusq
Scaling maximum frequency: 1000000MHz
Scaling minimum frequency: 100000MHz

GPU
GPU Freq steps: 40/133/267 MHz
GPU Voltage levels: 900/950/1000 mV
GPU Threshold 1 up: 85%
GPU Threshold 2 down: 25%
GPU Threshold 2 up: 85%
GPU Threshold 3 down: 40%
GPU staycounts: all set at 1

SCREEN
Genreally I have auto brightness setting enabled
Touchmove: 5 pixel
Min BL: 40
Min Gamma: 0
Max Gamma: 24
Gamma shift: 0
Vibration: 3

BLN
Not activated

MISC
Android logger: Activated/ticked
Scheduler: SIO
Charge current: AC,MISC:650mA, USB:450mA

Then in SetCPU, I use AndreiLux's governor settings. You can try this to see if there is any improvement for you. These settings are all under the tag GOVERNOR (only tag which is set on boot in SetCPU)
Sample rate: 40000
Up threshold: 90
Sampling down factor: 2
Ignore nice load: 0
IO is busy: 0
Down differential: 5
Freq step: 30
CPU up rate: 10
CPU down rate: 20
Max CPU lock: 0
Hotplug lock: 0
DVFS debug: 0
Hotplug freq 1 1: 40000
Hotplug freq 2 0: 20000
Hotplug rq 1 1: 350
Hotplug rq 2 0: 200
Up threshold at min freq: 95
Freq for responsiveness: 100000
Click to expand...

Impressive :) I don't use SetCPU though. What's your average battery life?

Just a question on your CPU scaling:

You have set your minimum threshold quite high. Why is that?

EDIT: Missed a 0 there. 100Mhz. Nevermind the question :)
 
Last edited:
Pakka said:
Damn how do you guys do it?!

I've changed the following settings in ExTweaks, but don't get the same results:
Scaling Max Freq: 800mhz
Scaling in Freq: 100mhz
Governor: Pegasusq
I/O Scheduler: SIO.

I have confirmed that my phone goes into deep sleep as it should, but I still can't get a full day's battery life :( Any ideas?
Click to expand...

Apart from giving my settings a bash, here are some links to help getting sweet setups for your usage profile.
http://forum.xda-developers.com/showthread.php?t=1369817
http://forum.xda-developers.com/showthread.php?t=1179809
 
Third Blue From the Sun said:
Impressive :) I don't use SetCPU though. What's your average battery life?

Just a question on your CPU scaling:

You have set your minimum threshold quite high. Why is that?
Click to expand...

I use SetCPU only to apply AndreiLux's settings. When I moved over to ICS, SetCPU gave me a lot of freezes so I uninstalled it, but when AndreiLux made his setting public, I reinstalled SetCPU and I allow it only to govern the governor.

... gulp ... ave battery life ... erm ... I am messing so much with my phone that I can not really say ... but I guess with normal usage (as I did on my previous phones), I would get about 2.5days with +-3.0hrs screen on time and about 90mins phone calls. Just for kicks, I tested over the weekend and got past 6hrs screen on time - but that was just to compare it to what othjers say on XDA. There are guys getting in excess of 8hrs screen on time, but I can fake that easily. I think if I do a faking exercise, I will get more than 10hrs

Min threshold ... sorry, you lost me there - which setting are you referring to?

Just a note: All the above settings are acceptable to me. I want a stable phone with good battery life. On these settings, I don't get any freezes or SOD's
 
OGroteKoning said:
I thought I would post my setup here for comparrison by others using Siyah:

Firmware/Rom: Stock ICS XWLPD
Kernel: Siyah v 3.2.7.1

Kernel settings using ExTweaks

Profile: Battery

CPU
Hotplug: Default
CPU Idle mode: AFTR+LPA
Smooth scaling: 800MHz
SCHED_MC: 0 (I found that if I set this to 1 or 2, I get freezes and resets)
CPU U/V: -50Mv
CPU step count: 18
Governor: Pegasusq
Scaling maximum frequency: 1000000MHz
Scaling minimum frequency: 100000MHz

GPU
GPU Freq steps: 40/133/267 MHz
GPU Voltage levels: 900/950/1000 mV
GPU Threshold 1 up: 85%
GPU Threshold 2 down: 25%
GPU Threshold 2 up: 85%
GPU Threshold 3 down: 40%
GPU staycounts: all set at 1

SCREEN
Genreally I have auto brightness setting enabled
Touchmove: 5 pixel
Min BL: 40
Min Gamma: 0
Max Gamma: 24
Gamma shift: 0
Vibration: 3

BLN
Not activated

MISC
Android logger: Activated/ticked
Scheduler: SIO
Charge current: AC,MISC:650mA, USB:450mA

Then in SetCPU, I use AndreiLux's governor settings. You can try this to see if there is any improvement for you. These settings are all under the tag GOVERNOR (only tag which is set on boot in SetCPU)
Sample rate: 40000
Up threshold: 90
Sampling down factor: 2
Ignore nice load: 0
IO is busy: 0
Down differential: 5
Freq step: 30
CPU up rate: 10
CPU down rate: 20
Max CPU lock: 0
Hotplug lock: 0
DVFS debug: 0
Hotplug freq 1 1: 40000
Hotplug freq 2 0: 20000
Hotplug rq 1 1: 350
Hotplug rq 2 0: 200
Up threshold at min freq: 95
Freq for responsiveness: 100000
Click to expand...

Shot for this - i always wondered what settings to try - it can be a bit scary to tweak those things. Mind if i copy and use these as a reference?
 
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