[ROM+KERNEL] AOSP+ Battery & Speed - Nexus 7 Android Development

The goal of this ROM and kernel is to tweak voltages as much as possible and adding overclocks where necessary. I first aim for extra battery life and then the speed improvements will arrive.
Reason for starting this ROM is that I want my own stable ROM, with extra battery and speed just the way I want it.
Instead of making a github account I will upload my patch sets to comply with GPL, other developers can use these patches easily
Features
- More speed
- More battery
- Tweaked governors
- Removed crap
Downloads
- https://sites.google.com/site/jonashendrickxcommunity/
Changelog
- https://sites.google.com/site/jonashendrickxcommunity/

Iam a bit confused.
Sent from my Nexus 7 using Tapatalk 2

based on latest cm10? kernel?

CM10 is actually not very good for the Nexus 7. The builds are unstable and it's not working properly yet. For now I stick with building AOSP ROMs for the Nexus 7
I need to know to the device manager is for the Nexus 7 so I can push my changes.
Until then I refuse to work for CM10. I tried their latest build and I did not like it at all.
I am still experimenting with programming for the Nexus 7.
Due to lots of school work Java, ADO .NET 4, Networking, Math in my university I have not much freetime. I also have a Google Nexus to manage. Again there CM10 is also unstable, and they refuse to accept my patches, which are known to fix those problems they are having. But I have been using those patches because they helped for me.
I have applied to join the AOKP team. I am still waiting for an answer.

Would love to try it out, but the service you're using to offer downloads 1) pops up porn ads and 2) won't let me download after I tried clicking had to wait, and came back to it 10 min later.
Seems like you're in it more for the income you could make and not the user experience, yeah?

djjonastybe said:
CM10 is actually not very good for the Nexus 7. The builds are unstable and it's not working properly yet. For now I stick with building AOSP ROMs for the Nexus 7
I need to know to the device manager is for the Nexus 7 so I can push my changes.
Until then I refuse to work for CM10. I tried their latest build and I did not like it at all.
I am still experimenting with programming for the Nexus 7.
Due to lots of school work Java, ADO .NET 4, Networking, Math in my university I have not much freetime. I also have a Google Nexus to manage. Again there CM10 is also unstable, and they refuse to accept my patches, which are known to fix those problems they are having. But I have been using those patches because they helped for me.
I have applied to join the AOKP team. I am still waiting for an answer.
Click to expand...
Click to collapse
Since this is based on aosp, I'm guessing that there isn't notification toggles?
Edit: I'm very interested to try this. awaiting your answer

anyway the site you host your rom on doesn't allow me to download, it says i exceed the daily limit. if you intend to go far with this rom please at least share it on a more accessible site, maybe google docs?

nihonjintaylor said:
Would love to try it out, but the service you're using to offer downloads 1) pops up porn ads and 2) won't let me download after I tried clicking had to wait, and came back to it 10 min later.
Seems like you're in it more for the income you could make and not the user experience, yeah?
Click to expand...
Click to collapse
I will use zippyshare as an alternative mirror.
About the porn ads, I don't know but they don't come from rapidgator thanks for sharing your freetime activities.
I am in it for the user experience. Since I use the rom and kernel myself 24/7 and I don't like to flash roms and kernels.
bervin said:
Since this is based on aosp, I'm guessing that there isn't notification toggles?
Edit: I'm very interested to try this. awaiting your answer
Click to expand...
Click to collapse
I am still trying to find a commit that gives me these notification toggles. You can always help me finding them. Eventually they will arrive. At least I hope they do. I am doing my best.
My main goal is putting extra battery life into this thing, next cleaning up the messy code from Asus or Google who-ever is responsible, next user experience. I will be mailing a few people for the dropdown notifications.
bervin said:
anyway the site you host your rom on doesn't allow me to download, it says i exceed the daily limit. if you intend to go far with this rom please at least share it on a more accessible site, maybe google docs?
Click to expand...
Click to collapse
I will upload version 2 on zippyshare and rapidgator.
Version 2 is coming with:
- Fixed power_profile.xml: it looks like the whole file was being treated as crap. The Nexus 7 doesn't have a 3260mAh battery... So I fixed that. I also fixed the cpu power consumption. Since there are no real values I hope to solve it as soon as possible to be a little more accurate. But now it looks very clean which is a huge improvement.
- Interactive governor has been nicely tweaked. Before my cpu frequency was always sitting at 1200mhz while playing Dead Trigger. I tuned:
- sustained_load: 80 --> 85
- go_highspeed_freq & go_maxspeed_freq: 85 --> 90
- min_sample_time: 30ms --> 60ms
- Extra patches from Nvidia, Google and Asus

thanks for your reply, i'll wait for v2 then. anyway i'll try to find the commit when i have free time. Hopefully you'll manage to implement it in time for v2

Same here. Can't download v1 and can't wait for v2!

If you can, you should implement these clemsyn uv to the kernel internal voltages on this thread http://forum.xda-developers.com/showthread.php?t=1903304
and also add user tweakable cpu uv via init.d script maybe? seems like a exxcellent way to save battery..

Looks very interesting this Rom. Bugless, extra battery life and then speed (though seriously even stock is pretty damn smooth) is what counts for me. On the nexus 7 not even the power widget's important let alone any other bloating features.
I'll flash on the weekend and report how it goes!
Sent from my Nexus 7 using xda app-developers app

Would you consider offering the kernel as a separate download? I'm still using your r41 kernel on cm10 and its the best kernel out there, in terms of battery life and smoothness
Verstuurd van mijn Galaxy Nexus met Tapatalk

Any info on v2?
Sent from my Nexus 7 using xda app-developers app

Related

[Q] Request: EC05 Kernel with keyboard fix and no other tweaks

I have tried the other Kernels available , Genocide, Twilight etc. The performance gains are real and it is amazing what the developers are doing.
However I have significant instability with these Kernels compared to Stock. I use my phone for business and stability is #1 priority for me. The only fix I really need is the skipped key press bug. I am running stock now but the keyboard is unusable without the fix.
Would one of the developers that knows what they are doing have time to compile a stock kernel with only the skipped keyboard fix implemented?
Thanks!
violinbf said:
I have tried the other Kernels available , Genocide, Twilight etc. The performance gains are real and it is amazing what the developers are doing.
However I have significant instability with these Kernels compared to Stock. I use my phone for business and stability is #1 priority for me. The only fix I really need is the skipped key press bug. I am running stock now but the keyboard is unusable without the fix.
Would one of the developers that knows what they are doing have time to compile a stock kernel with only the skipped keyboard fix implemented?
Thanks!
Click to expand...
Click to collapse
The closest thing I've found is this:
http://forum.xda-developers.com/showthread.php?t=1039991
I'm like you, I want stability above all else and I only wanted the skipped keyboard fix. I don't care about overclock/undervolting and what not. Just want something stable. Although this kernel has some other minor changes, it's pretty much stock.
I just flashed this kernel this morning and haven't had any issues thus far but it's only been a few hours.
I'll report back tomorrow and let you know if I run into any issues.
Wrong section dude this need to be in general.
Sent from my SPH-D700 using XDA Premium App
Clean Kernel EC05 should suit you well, and finally has a proper post here:
http://forum.xda-developers.com/showthread.php?t=1053252
It has no volting done, and has the same performance as the stock kernel.
Hope you like it!
DRockstar said:
Clean Kernel EC05 should suit you well, and finally has a proper post here:
http://forum.xda-developers.com/showthread.php?t=1053252
It has no volting done, and has the same performance as the stock kernel.
Hope you like it!
Click to expand...
Click to collapse
Just wanted to say thanks again for compiling that kernel. Downloaded voodoo controller from the market as well. Didn't realize what I was missing as far as sound quality!
Not to rudely question your decision, but have you tried any customs that support voltage control? (Currently only genocide, but twilight is promising it soon). I used to have terrible instability, but it was because my phone couldn't handle undervolting... genocide + voltage control removing undervolt fixed that.
On a side note, if you decide to try genocide make sure you go to the end and look for the 1.0.1 test build, it fixed the kswapd0 high cpu usage bug (rare, but definitely made the phone less stable). I've had 18 hours of perfect uptime (not battery of course) since installing the update, and I have large tendancy to max out my phone.
Sent from my SPH-D700 using XDA App
I'd like to have stock, ext4, and keyboard fix. Stability is my #1 priority as well...that being said, I'm running the Genocide kernel at stock speed, and it seems pretty stable. Been using now for a matter of weeks.
Sent from my SPH-D700 using XDA App
Thread in the wrong section. Please post in the proper section. Thread closed.

[Kernel] [Updated 22OCT] HeroC - 2.6.35.14

This can now be considered stable, after significant testing and use by the community. As always, the hero you save could be your own, so be safe.
This would not have been possible without the efforts of everyone in the community that played a part in moving the ball forward. In particular s0be and riemer for their initial efforts to get a working 2.6.35 build as a baseline, and the continuing efforts of riemer, erasmux, arco, et al; also thanks to toast, darch, decadence, pershoot, and cyanogen, as well as the Linux, CM, AOSP, and CAF teams that have provided the broad shoulders for tinkerers like myself to stand on. My sincere gratitude to all of these and the legion of others who I have not listed, who have contributed to making the open source community strong and productive.
This kernel is based on a combination of updated board files for HeroC, and efforts by arco, riemer, erasmux on new sources originally from the HTC marvel code release. After several weeks on the new base, everything appears to be working well. Initial sources have been posted to github.
New version (2.6.35.14) is at:
https://github.com/TeamHeroC/heroc-kernel-2.6.35
The sources for this Kernel and the AOSP flavored 2.3.5 ROM sources are posted to the TeamHeroC github. This organization github was created instead of using a personal github so that others could join in team development efforts if they are interested, and the organization could be more easily maintained after people move on to other devices. I am probably looking at somewhere between 2-5 months myself.
Flash from recovery, and remember nandroid is your friend.
UPDATE - KERN-2.6.35.14-10SEP-V1.0.zip
10SEP version has been updated with changes from various sources. Github has also been updated to be in sync with this update.
UPDATE - KERN-2.6.35.14-22OCT-V1.1.zip
22OCT version has been updated with changes from various sources. Github has also been updated to be in sync with this update.
Old version - No Longer in Development
This is very much a work in progress, so be safe.
This would not have been possible without the efforts of everyone in the community that played a part in moving the ball forward. In particular s0be and riemer for their efforts to get a working 2.6.35 build as a baseline; also thanks to toast, darch, decadence, pershoot, and cyanogen, as well as the Linux, CM, AOSP, and CAF teams that have provided the broad shoulders for tinkerers like myself to stand on. My sincere gratitude to all of these and the legion of others who I have not listed, who have contributed to making the open source community strong and productive.
This kernel is based on a combination of the s0be/riemer board files and other mods applied to the CyanogenMod cm-kernel android-msm-2.6.35-unified branch. It does not have smartass (not working yet), but the camera seems to work consistently for me on both interactive and ondemand (Note: setting min cpufreq to 352 is recommended to minimize camera problems). This is still very much an early effort, but thought I would post for anyone interested. Initial sources have been posted to github.
https://github.com/TeamHeroC/cm-kernel-heroc
New version (2.6.35.14) is at:
https://github.com/TeamHeroC/heroc-kernel-2.6.35
The approach to building this kernel was to go back to a build based on the last CM 2.6.35 source from the repo and add files from the s0be/riemer source tree to get a working kernel. My goal is to get this as close to standard source as possible, so the changes will just be the device specific board files, drivers, etc. The reason for this approach is to (hopefully) get a well defined set of files and updates that can be applied to other kernel releases (.37, .38, ...) with minimal conflicts and dependencies.
Lots of things that I will be working on as time permits. In no particular order this includes things like:
complete headset updates
update qdsp5_comp to align with latest sources
update smd files to align with latest sources
rework board files to current standards
check and complete i2c updates
complete USB updates
compare and update MSM frame buffer files
cpufreq updates and smartass governor
check and update device specific drivers
The sources for this Kernel and the AOSP flavored 2.3.4 ROM sources are posted to the TeamHeroC github. This organization github was created instead of using a personal github so that others could join in team development efforts if they are interested, and the organization could be more easily maintained after people move on to other devices. I am probably looking at somewhere between 2-5 months myself.
Flash from recovery, and remember nandroid is your friend.
Added No Headset version as suggested by s0be. This version has no headset drivers built in. In theory, this should improve the stability of your USB functions. This has had very little in the way of testing. YMMV.
Thank You,
Flashing now!
painter_ said:
Thank You,
Flashing now!
Click to expand...
Click to collapse
Thank you this great news!!!!!
Sent from my HERO200 using XDA Premium App
Awesome news.
Thanks JB for picking this up.
jaybob413 said:
Flash from recovery, and remember nandroid is your friend.
Click to expand...
Click to collapse
Thanks again Jaybob,
One question, Ive been running the kernel that you posted on s0be's thread a few days back, is this one updated or is it basically the same? So far no Camera bug for me (which is why I flashed to begin with).
chalan30 said:
Thanks again Jaybob,
One question, Ive been running the kernel that you posted on s0be's thread a few days back, is this one updated or is it basically the same? So far no Camera bug for me (which is why I flashed to begin with).
Click to expand...
Click to collapse
A few changes since then, but nothing major. I can't really say whether it is better or worse than the previous. Seems about the same to me. I will add the previous version to the OP later as well.
jaybob413 said:
A few changes since then, but nothing major. I can't really say whether it is better or worse than the previous. Seems about the same to me. I will add the previous version to the OP later as well.
Click to expand...
Click to collapse
Radical.
Thanks for your efforts. The previous version has been working well for me on your May 30th rom with FR 118_15 with some autokiller tweaks. Battery life seems a little worse but still very decent. All very smooth with ADW eX and LPPro . Had a couple of issues with the phone locking up (black screen) for about 20 30 seconds, then coming back on its own. Not sure if it was because my min was too low on setcpu (on demand). Not that it matters but my linpack scores have been consistently lower. but real world performance is great.
Lets see how this does.
so totally didnt see this thread until just now.. thanks a ton jaybob.. this kernel has some loyal followers, and i know i can say for most of them that i am glad to see someone who is capable pick this up.. i was trying my hand at it, but i dont have the time right now, and my knowledge base just isnt as broad as it needs to be for this.. so thanks man, you are the best..
3 Hours now and it seams stable. It took a little while after the first boot before my phone became stable. The ROM I am running the 5/25 version of Evervolv.
painter_ said:
3 Hours now and it seams stable. It took a little while after the first boot before my phone became stable. The ROM I am running the 5/25 version of Evervolv.
Click to expand...
Click to collapse
Yeah these .35 kernels usually take a few minutes to warm up. but they tend to get tremendously better with time..
sent from my... wait.. what..
This thing is running too smooth on the latest nightly. Someone pinch me!!
pstevep said:
Yeah these .35 kernels usually take a few minutes to warm up. but they tend to get tremendously better with time..
sent from my... wait.. what..
Click to expand...
Click to collapse
Its kinda weird how they do that... but they do go nice after a little while!
and jaybob this build is running a lot smoother than the last one.. on a whole, its smooth a silk, camera is working great.. kudos so far man..
jaybob413 said:
(Note: setting min cpufreq to 352 is recommended to minimize camera problems)
Click to expand...
Click to collapse
Isn't camera supposed to engage perflock?
jasonmaloney said:
Isn't camera supposed to engage perflock?
Click to expand...
Click to collapse
No perflock in this kernel (or s0be's or deca's). My recommendation is just based on an observation that when the min cpu freq was set to a very low value (19), I would see a lot of camera freezes. It may work fine at lower settings, I normally have mine set to 352 and don't have camera problems with ondemand or interactive, so this is just what has worked for me. It may also be fine at 264 or 176, but I haven't tried them.
Running this kernel with the latest CM7 nightly and I've never seen my Heroc run so smooth nor get this crazy good battery life.
Thanks JB.
Haven't checked to see if I get my regular reboot after 10 minutes of Google navigation.
I was using sobe's .35 kernel and the camera worked at first but lately wouldn't work at all and I saw that the camera was supposed to be working well with this. Flashed it a little while ago and haven't been able to take a single picture. My cpu is ondemand with a min/max 518/768.
braczkowski said:
I was using sobe's .35 kernel and the camera worked at first but lately wouldn't work at all and I saw that the camera was supposed to be working well with this. Flashed it a little while ago and haven't been able to take a single picture. My cpu is ondemand with a min/max 518/768.
Click to expand...
Click to collapse
i honestly think that right now some of the camera stuff is phone specific.. because i know some people have no issues, asome people have intermittent issues (me), and some people lose it all together.. but thats how it was with s0be's version as well, i think until most of the camera bugs are squashed we will continue to see random issues for random people..
BTW since you already cant use the camera, try switching to interactive for the governor, and try it then.. jaybob said that his works fine with interactive, so maybe your phone will respond better with it.. just a thought, no promises..
352 min cpu fixed my camera issue.

[Q] Which is the best ICS Rom-kernel combo for Nexus?

Hi guys, in these days I'm trying many different roms to chose the best one. I've tried these: AndroidMe, codename android 1.3.3, CyanogenMod 9 v4.0.3 v2.1 and CyberGR-MOD with the respective stock-kernel but no one did satisfy my desires.
I just want these "mods"
- configurable Toggles in status bar (so that i can switch on and off 3g data just with 2 screen taps)
- Battery icon with % of battery left
- Configurable Lockscreen (I need at maximum 4 targets)
- TouchWake (the screen turns on with just a finger touch on it)
- Maximum frequence of cpu at 1,2 Ghz
Now comes the big problem! With all the roms I've tried some of this was not available. The best one was cyberGr-Mod, but I had a lot of battery drain.
Which combo Rom+ kernel do you suggest me to have the things I wrote before and also a great battery Life?
Thanks a lot
There are quite some points you want in your rom, I'm not sure if there is any that fits you needs.
But let's see:
- configurable Toggles in status bar (so that i can switch on and off 3g data just with 2 screen taps)
Click to expand...
Click to collapse
I know that feature only from CyanogenMod. That latest version (which you also tried) has them build in but not to a 100% complete. Almost every Rom needs some more development to get all the features implemented it should have, so maybe you need to wait a little.
- Battery icon with % of battery left
Click to expand...
Click to collapse
This option does not need to be implemented in a Rom, you can easily change the batter indicator yourself with just flashing the Icon you want. At least for CM9 there are some links in the Rom-Thread.
- Configurable Lockscreen (I need at maximum 4 targets)
Click to expand...
Click to collapse
I'm not sure if any Rom has that feature but it also sounds to me like this could be done by an additional program?
- TouchWake (the screen turns on with just a finger touch on it)
Click to expand...
Click to collapse
Same here, maybe there is an app for that.
- Maximum frequence of cpu at 1,2 Ghz
Click to expand...
Click to collapse
Most Roms and custom kernels have more overclocking, but that it no need at all. You could either use SetCPU to limit the cpu or for example a Rom like CM9, this has additional options to limit the cpu.
Now comes the big problem! With all the roms I've tried some of this was not available. The best one was cyberGr-Mod, but I had a lot of battery drain.
Click to expand...
Click to collapse
Why not taking cyberGR when you liked it most and try some other kernels till you find what you want. I would try either the GlaDOS kernel or the matr1x one and then trying different governors in the cpu settings.
aokp + air kernel
All that u want i have in my combo (ROM+Kernel). I use apex (bixie) v.1.0.0 + matr1x kernel v.16.5 (see a review of this combo on nexusshacks - really rocks, i get with normal usage almost 2 days of battery and there are really a lot of tweakable options).
The best combo i've tryied.
cheers.
If i helped u somehow, pls hit thanks button
---------- Post added at 12:46 AM ---------- Previous post was at 12:41 AM ----------
forgot to mention, whatever rom u're using, try out NStools ans see if the tweakable options there avaliable are enough for u.
ghling said:
There are quite some points you want in your rom, I'm not sure if there is any that fits you needs.
But let's see:
I know that feature only from CyanogenMod. That latest version (which you also tried) has them build in but not to a 100% complete. Almost every Rom needs some more development to get all the features implemented it should have, so maybe you need to wait a little.
I've tried it in cybergr (based on cyanogen)
This option does not need to be implemented in a Rom, you can easily change the batter indicator yourself with just flashing the Icon you want. At least for CM9 there are some links in the Rom-Thread.
in effect you're right, is easily flshable
I'm not sure if any Rom has that feature but it also sounds to me like this could be done by an additional program?
Same here, maybe there is an app for that.
for touchwake and Configurable lockscreen they are embedded in many roms
Most Roms and custom kernels have more overclocking, but that it no need at all. You could either use SetCPU to limit the cpu or for example a Rom like CM9, this has additional options to limit the cpu.
I've just tried tooverclock to 1,1ghz, otherwise the phone was not stable
Why not taking cyberGR when you liked it most and try some other kernels till you find what you want. I would try either the GlaDOS kernel or the matr1x one and then trying different governors in the cpu settings.
Because now I've installed the Codenamedroid 1.3.3 and everything seems better except the status bar toggles, but i want to give it a try for 1 or 2 days at least
Click to expand...
Click to collapse
Sorry for the strange method to answer you but the multiquote-button didn't work
@ sean1984 : Which rom AOKP do you suggest me? is cyanogen the best AOKP or there is something better?
@ kalitza: I went suddenly to check the rom you suggested me on nexushacks, there are many positive comments but also some users which couldn't install the rom for some problems... above all, I will surely give it a try.
Now I'm testing Codename android 1.3.3 and everything except the statusbar toggles (limited to 4 and not customizable,that means no data toggle) seems to work well, i'll use it again a couple of days to have a better idea and then (after nandroid backup if everything in the rom is ok) I will try the one you suggested me.
About NSTools, where can I find the last release? does every rom have a specific release of NSTools or it is universal for every Rom?
in CNA 1.3.3 go to Settings - Interface and touch Notification widget text, it will open toggle menu where you can choose which ones you prefer
dotlab said:
in CNA 1.3.3 go to Settings - Interface and touch Notification widget text, it will open toggle menu where you can choose which ones you prefer
Click to expand...
Click to collapse
Oh my God!! how stupid I am you're right, now everything seems ok! I'm thinking back to how many roms I've tried, i think that in some cases I missed that configuration and blaimed myself for not having chose the right rom
milestone3+air kernel3.0.. Great
Sent from my Nexus S using XDA App
@ kalitzka: It's really funny that in the site nexussha*** they now suggest to try the CodeName ICS ROM with Matr1x Kernel, what i'm trying now.
They say "Here’s another combo you can expect some smooth performance with great battery life, CodeName ICS ROM with Matr1x kernel. I think this one, Crossbones, and Bigxie/Apex ROMs are probably the best I’ve tried so far".
P.s. I wrote something to you also in post N. 5.. I'm new in writing here in xda so I don't know well how to use all these forum quoting - quick replying different buttons
ioplkj13 said:
milestone3+air kernel3.0.. Great
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
For Milestone 3 you do mean cyanogen Milestone version?
I think he means AOKP's milestone 3. Lol
Sent from my Nexus S 4G using XDA App
SeeNah said:
I think he means AOKP's milestone 3. Lol
Sent from my Nexus S 4G using XDA App
Click to expand...
Click to collapse
I cannot find this "milestone3" on the forum.. maybe I'm becoming blind
alessandro1980 said:
Oh my God!! how stupid I am you're right, now everything seems ok! I'm thinking back to how many roms I've tried, i think that in some cases I missed that configuration and blaimed myself for not having chose the right rom
Click to expand...
Click to collapse
Don't worry, you'll become a regular crackflasher very soon Speaking about ROMs, my favorites are CNA and Nuhetri, pair them with speedy-7 or air kernel and you're good to go, just delete RAMDISK folder in speedy-7 zip if you're flashing it on CNA. It's great to see how ICS mods keep evolving, thanks again to devs and their hard work...
dotlab said:
Don't worry, you'll become a regular crackflasher very soon Speaking about ROMs, my favorites are CNA and Nuhetri, pair them with speedy-7 or air kernel and you're good to go, just delete RAMDISK folder in speedy-7 zip if you're flashing it on CNA. It's great to see how ICS mods keep evolving, thanks again to devs and their hard work...
Click to expand...
Click to collapse
Today I'm trying CNA with kernel Matrix, good battery life but the phone seems a little bit laggy sometimes.. I will surely try the Speedy-7 that you suggested.
Yes It's a great thing that these roms keeps evolving, the only thing that I don't like very much is that there are so many different roms that is so difficult to chose the best one, imagine if there will be only 2-3 roms (for example 1 MIUI, 1 cyanogen, 1 AOSP) and all the developers focused toghether their efforts just in these 3 Roms, I think that now we would already have perfect kernel-roms completely free of problems, full of features, and with 2 days battery life
Yes, I agree with that. We have too many similar ROMs, but I see more and more teams forming, like CNA for example and the result is obvious. I am no dev, but it's kinda hard for a single person to maintain ROM on regular basis, refreshing it with new mods and stuff like that due to lack of time... So, hope to see more teams developing a single ROM
dotlab said:
Yes, I agree with that. We have too many similar ROMs, but I see more and more teams forming, like CNA for example and the result is obvious. I am no dev, but it's kinda hard for a single person to maintain ROM on regular basis, refreshing it with new mods and stuff like that due to lack of time... So, hope to see more teams developing a single ROM
Click to expand...
Click to collapse
me too I hope in the forming of new teams of developing, it would be a great occasion to take the best off this already very good Phone
Shameless self promotion, but no CrackFlasher should be without the hard facts, check my work out...
kernels ; battery ; ROM ; gov/sched
bedalus said:
Shameless self promotion, but no CrackFlasher should be without the hard facts, check my work out...
kernels ; battery ; ROM ; gov/sched
Click to expand...
Click to collapse
Really great work the one that you made there.. I will look at it for my next change of ROM.. just for curiosity, which Rom, Kernel, governor and scheduler combo are you using in everyday use?
I think that nowadays, after that giant work, no one has as much experience as you in this field
alessandro1980 said:
Really great work the one that you made there.. I will look at it for my next change of ROM.. just for curiosity, which Rom, Kernel, governor and scheduler combo are you using in everyday use?
I think that nowadays, after that giant work, no one has as much experience as you in this field
Click to expand...
Click to collapse
I'm using Slim ICS for testing kernels. because of all the testing, my kernel changes all the time.
kernels ; battery ; ROM ; gov/sched

[ROM][MB1][5/28] ZERO v1.2

Completely developed on the device for the device. Not one computer was used.
IF YOUR BATTERY LIFE IS THE MOST IMPORTANT THING TO YOU IN THE WORLD THIS MAY NOT BE FOR YOU!
Battery life hasn't been thoroughly tested and not expected to be great.
Welcome to ROM ZERO.
ZERO was developed for one purpose. SPEED! You will open apps, download, install apps, and browse the web faster than before. This rom is based on USABILITY SPEED and may not show in benchmarks. It's two totally different things. Battery life is not expected to be great but hasn't been tested so please Don't complain about your battery life. I would like some feedback on the battery life but as I said, don't expect much.
This is a stock rom lightly debloated with a few nice tweaks. I have added my yamato performance edition tweaks and some scripting in the frame buffer to help speed things up. This will give you higher frame rates in games and overall speed. Lean kernel is preloaded and completely over clocked including the GPU out of the box. There is no need to lkconfig. The GPU governor is also automatically set to performance mode. There are alot of adjustments made to this rom for speed. It's FAST.
SO WHAT DO WE HAVE HERE?
De-odexed system with ODEXED apps.
Lightly debloated.
Black & white toggles.
Black status bar.
4.2 keyboard.
Menu to kill.
Holo & stock TW launchers.
Adjusted Bluetooth for quicker connections
Complete rewrite of the build.prop and included all of my HWUI settings for speed and a better visual experience.
Frame buffer speed adjustments.
Full HW rendering.
GPU over-clocked.
SPECIAL THANKS TO-
scrosler Scottsroms
zepplinrocks
thisiskinacrap
imoseyon
andybones
Gnufabio
Chainfire
If I missed you let me know!
READ CAREFULLY!!!!
I am NOT responsible for you device. Flash this rom at your own risk!
*ISSUES*
Setup Wizard not loading properly. Hit home button to bypass.
INSTRUCTIONS...
1. Flash in recovery
2. Let the rom settle after it boots. Don't touch your phone for a couple of minutes.
3. Spend your 15 minutes and set your settings and whatever else you usually do after you flash your rom. THEN REBOOT. Things will get even better.
4. Enjoy.
Download....
ZERO v1.2 MB1 618mb
http://www.androidfilehost.com/?fid=22979706399752470
MIRROR
http://d-h.st/GVo
CHANGE LOG.
Version 1.2
- Fixed scripting.
Mine again
Link is up!
First!...yes..I finally did it..lol
Sent from my SCH-I535 using Tapatalk 4 Beta
Congrats, you win the internet.
Awesome to see more roms. Thanks!
Sent from my SCH-I535 using xda app-developers app
bobAbooE said:
Congrats, you win the internet.
Awesome to see more roms. Thanks!
Sent from my SCH-I535 using xda app-developers app
Click to expand...
Click to collapse
Yes I have always wanted my very own Internet. .lol
Installed this a few hours ago, been playing with it nonstop since then. I love it, but the native wifi tethering does not work. Is there a workaround for this that I'm missing? The wireless tether apps on the market don;t seem to be working, even with changing some settings. Thanks!
Hubblemuffin said:
Installed this a few hours ago, been playing with it nonstop since then. I love it, but the native wifi tethering does not work. Is there a workaround for this that I'm missing? The wireless tether apps on the market don;t seem to be working, even with changing some settings. Thanks!
Click to expand...
Click to collapse
I'm going to guess I got a bit carried away with de-bloating. I will check it out. It's something I just never used but I will make it work. Sorry bout that!
Ok I just checked out native tethering but couldn't find any problems. What kind of issue are you having with it?
Not having any luck downloading through the link in the op. Keep getting a downloading error. Is the file hosted anywhere else by chance?? Thanks!
Sent from my SCH-I535 using Tapatalk 4 Beta
I just posted a dropbox link in the op. See if that works better for you. The original link is working fine for me though.
I can start the hotspot from the status bar on top, but when I connect to my phone, get either a Limited Connectivity error or no connection at all. I can take some screenshots when I get home if that would help, maybe the app has an error log that I can find.
Just flashed, had no issues. Everything seems nice and smooth. Its also visually very smooth. Coming from clean ROM I would say as far as "speed" at least opening apps and such Clean ROM is faster, but Zero is very fluid. No issues with lag. I havent tested much else. So far so good though. Nice work and thanks! Its been kind of quiet on the forums since the S4 came out.
Unfortunately I found an issue this morning with some of the scripts loading. This rom is currently not running as I intended it as far as speed. The update tonight will be a huge difference in performance! Sorry about the bug.
Version 1.2 released.
Fixed scripting.
This will be a noticeable improvement!
Thanks for your patience.
I would love to know what battery life you guys get with this.
Downloading now. I have a gorilla gadgets battery 4500mah idk if that'll be much help tho.
Sent from my SCH-I535 using xda premium
fawkiPhone said:
Downloading now. I have a gorilla gadgets battery 4500mah idk if that'll be much help tho.
Sent from my SCH-I535 using xda premium
Click to expand...
Click to collapse
Crap thats a big battery. How much time do you usually get out of that?
Nice! Could you possibly remove Backup Assistant from settings? Always bothers me.
EDIT: Also, it's not allowing the setup wizard to complete. This is the only way to get my apps to auto-restore so could you look into it?
syoungblood95 said:
Nice! Could you possibly remove Backup Assistant from settings? Always bothers me.
Click to expand...
Click to collapse
Well it's obviously easy enough to remove the app itself but removing the tab from the settings menu isn't something I have ever dove into yet. For me it's a bit complicated and over my head right now. I'm going to have to read up on setting tabs and learn a bit more about it. Probably in version 5.0 lol.
Edit @Your edit..
Darn another flaw! Ugghhh! Yes I will.

[ROM] [JB 4.2.2][SPEED][BATTERY][STABILITY] PRIME/ATOM-422

PLEASE READ:
This AOSP is not limited to source changes from CM, Vanir, CNA, EOS, Carbon, AOKP etc. you get the best of all of them.* All features included have been reworked to eliminate performance sinks and memory leaks and subtly improved as i see fit also. Finally, this rom is compiled using GLOBAL -O3 -fstrict-aliasing.* I don't just turn it off where there's violations like every other "linaro" ROM source i've seen listed.* This is the real deal.* Latest linaro toolchain snapshot and proper use of the current 4.8 GCC features so it actually means something to say it's compiled with GCC 4.8.
Disclaimer: Because I'm using building using commits from every major repo in existence it may take a while to integrate some of the major features to my standards. I may release a stock AOKP feature as a beta until I have the chance to improve it but I'm not interested in band-aid fixing things or duck taping **** together just to get more crap under the features list and change log. Also, If you have questions or interest in building or joining vanirAOSP please message me on gtalk: [email protected] and feel free to add me on google+
here is a link to the parent thread where you can view previous change logs and perhaps find an answer to a question
general features:
vanirAOSP base: all features included, always the latest
customized-for-speed launcher2
optimized memory usage
current bug fixes and improvements from all major repos
additional features not present in vanir
attention to the details
minor UI theming/cleanup
custom embedded beats 5.1 drivers
multimedia enhancements
A-GPS enhancements
inverted theme included
ad removal
custom written init.d and cron setup
improved performance settings
browser tweaks
fast torch
customizable nav bar, quicksetting tiles, yatta yatta
full Linaro optimizations (now rebasing directly from their gerrit)
optimized networking
quiet hours, LED settings
statusbar mods
better multi-tab browsing
major bloat removal
-->* PIE, APPBAR, HALO, custom UI changer, etc
full array of lockscreen tweaks
improved AOSP keyboard
email and exchange available in add-on packs
soooooo much more
Issues:
notes:
recommend trying the 0.25x transition speeds located in development options. this (& vanir-based roms) is the only ROM that has them.
screenshot is in custom apps --> apps & actions. i did this so it could be a desktop shortcut also
Instructions:
download rom & a gapps package compatible with AOSP roms
manually wipe (factory reset please)
flash ROM
flash Gapps
PROFIT
Downloads:
Those of you interested in developing we are currently accepting new members.* PM me for details.
Please thank Jay R Themer for the hosting!
ROM server
Productivity pack v3 (wipe cache/dalvik.* fix permissions if necessary)
*** ^^^* Email/exchange, thinkfree document software, video editor
4) Droidth3ory's old wallpaper collection for nostalgia purposes only (credit masteraven, droidth3ory, whoever else)
Credit: Team Vanir, CM, AOKP, Linaro, EOS, all contributors to gerrit and github, anyone who puts out ROMs since seeing them evolve got me interested in developing. Everybody that's helped me learn how to do this. And especially those that donate and support developers.
If you enjoy my work please consider a donation to help me keep doing this. Donation link. It helps me pay for bandwidth & caffeine
XDA:DevDB Information
PRIME/ATOM-422, a ROM for the Nexus 7
Contributors
PrimeDirective
Based On: VanirAOSP, AOSP, CM, LINARO, AOKP, PA, et al
Version Information
Status: Stable
Created 2013-07-02
Last Updated 2013-07-02
why u make new thread ?!
BTW u make the the thread twice
Cheers
Excellent, works great, thanks!:good:
i was trying to import the thread into the new devdb beta and something went wrong. taking care of it. for now the original thread will be the main one until i receive further instruction.
Which one to download???
SlaveSrbija said:
Which one to download???
Click to expand...
Click to collapse
Atom 422 grouper
Why does the server say 6/22 as last update?
Whawuzzat?!
Installed this last night. No issues so far with general use. One disturbing thing to be aware of is that this ROM seems to be reading my mind, anticipating everything I'm going to do next. I can think of no other explanation for how fast and responsive this thing is! Thank you, Prime. I've been wanting a "best-of" mashup ROM like this. :good:
Yes this ROM is lightning fast, love the faux kernel included
Sent from my Nexus 7 using Tapatalk 4 Beta
Like other said, this ROM is very fast and smooth, no lag at all, even If my nexus 7 tend to become laggy.
When i installed the ROM the CPU governor was set at user space, should i leave it there for best result?
Sent from my Nexus 7 using xda app-developers app
jonathanxx1 said:
Like other said, this ROM is very fast and smooth, no lag at all, even If my nexus 7 tend to become laggy.
When i installed the ROM the CPU governor was set at user space, should i leave it there for best result?
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Interactive or on demand will be better user space wont scale the frequency
Very fast and clean Rom. Thx
Gesendet von meinem GT-I9505 mit Tapatalk 4 Beta
Id love to see adhoc network support for this one... If it doesnt include it, im still downloading atm
Really loving this ROM, thanks so much for sharing your work
Sent from my Nexus 7 GSM using XDA Premium HD app
It's very fast rom but seems like battery drain very fast and charge very long
Silly Questions...
What is the difference between Atom and Prime roms ??
also that if i am running atom rom fully customized...can i switch to prime by a dity flash (Without wiping anything except dalvick and cache partition)???
deleted
Can someone tell me how quickly this rom chews through the battery ?
iAndroidOS said:
Can someone tell me how quickly this rom chews through the battery ?
Click to expand...
Click to collapse
Questions like this are vague as heck. And in my opinion, a bit pointless. Everyone's battery life is different depending on usage patterns and many other things. If someone tells you it has "good" battery life, they're only using their own experiences as a reference which means it is probably completely different to your definition of "good" or "fast" in your case.
The best way for you to get your answer would be to flash it and make your own judgement
Sent from my MB865 using xda app-developers app
elfrosto said:
Questions like this are vague as heck. And in my opinion, a bit pointless. Everyone's battery life is different depending on usage patterns and many other things. If someone tells you it has "good" battery life, they're only using their own experiences as a reference which means it is probably completely different to your definition of "good" or "fast" in your case.
The best way for you to get your answer would be to flash it and make your own judgement
Sent from my MB865 using xda app-developers app
Click to expand...
Click to collapse
I'll admit i was a bit vague, i am currently on aokp mr2 + m-kernel a56. I meant to ask how does this rom's battery drain compare to either stock rom or my combo in ,,normal'' usage patterns (casual gaming, web browsing, some songs, maybe a movie or two). I mean, there's gotta be some ordinary usage pattern, not everyone is a serious gamer or a multimedia-only user, right ? The N7's official battery life estimation was formulated by looking at some aggregate usage patterns, and that could be taken as the book example for the ,,normal'' usage pattern. I hope i cleared things up a bit.

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