Develop Bugs

Epic Touch Rom Development Obsticles

Guys, I’m sorry if this comes across as being a bit terse, but I’ve been very disappointed with my Epic Touch. While it packs a lot of great specs, coming from the HTC Evo nearly 9 months ago, I’m very disappointed with the overall stability of the roms available.
Please understand, this is in no way a complaint about the devs. I’ve been here long enough to fully understand and appreciate the amount of time and effort they put into these roms, and I’ve made a few donations along the way.
I’m hoping someone more knowledgeable might be able to explain some of the obsticles in developing for the E4GT. Most of the roms I’ve flashed have looked fantastic and offered great features, but I’m constantly seeing issues with kernels relating to battery life, LOS, GPS, bricking, etc. Are we not getting the kernel soruce from Samsung? The phone has been out for about a year now, and we still don’t have official CM9 builds. Heck, we were even the last (In the SII family) to get the official ICS updated. Again, I’m not complaining about the developers. It just feels like they may not have access to the resources they need in order to build more stable roms.
tl;dr Can anyone familiar with ROM development on the E4GT please explain why we see so many kernel related issues? I would greatly appreciate your input. Thanks!

The et4g is one of the only devices if not the only one that contains the recovery partition inside the kernel. That makes the kernel very different from other devices kernels and is one of the main reasons we aren't officially supported by CyanogenMod. We have the kernel source but for ICS its only been available for around a month, and came loaded with bugs that take time for the devs to locate and fix. GB had alot of bugs in the kernel source as well but 90% of the custom kernels for GB are relatively bug free, I say relatively cuz no software is ever 100% bug free it just the nature of the beast. Give it some more time and the ICS kernels will be just as stable as the GB kernels, the devs just need time to iron out the kinks Samsung was nice enough to pass along in the source
We are legion, for we are many.
Sent from the DarkSide of the GalaXy with a MEK device

Are device may not be the newest kid on the block but we just got ICS w/ source. For how long the source has been out the devs have been doing a great job and the word on the street is that we are going to be an official CM10 device which is better than just being a CM9 device if you ask me.

-EViL-KoNCEPTz- said:
The et4g is one of the only devices if not the only one that contains the recovery partition inside the kernel. That makes the kernel very different from other devices kernels and is one of the main reasons we aren't officially supported by CyanogenMod. We have the kernel source but for ICS its only been available for around a month, and came loaded with bugs that take time for the devs to locate and fix. GB had alot of bugs in the kernel source as well but 90% of the custom kernels for GB are relatively bug free, I say relatively cuz no software is ever 100% bug free it just the nature of the beast. Give it some more time and the ICS kernels will be just as stable as the GB kernels, the devs just need time to iron out the kinks Samsung was nice enough to pass along in the source
We are legion, for we are many.
Sent from the DarkSide of the GalaXy with a MEK device
Click to expand...
Click to collapse
That's exactly the type of info I was looking for, EViL! Thanks! Any idea why they designed the phone that way?

thaprinze said:
That's exactly the type of info I was looking for, EViL! Thanks! Any idea why they designed the phone that way?
Click to expand...
Click to collapse
Not a clue, I'm not sure if it has to do with hardware configuration forcing the software to be modified to function, if it was poor software engineering, or if they just wanted to try something new. I know it makes working with the kernel extremely difficult compared to other devices whose recovery partition is separate. Another major problem is the bugs included with source, they take time for our devs to find and fix in order for the builds to become more stable, I feel the major issue with that is Samsung made too many devices in the same family, gs2, all with different hardware configurations which require modifications to the kernel, making it hard for their developers to maintain the devics since they have to build a separate kernel for each device in the same family instead of one kernel that works on all gs2 variants with the exception of having to make minor changes for cdma, wimax, Lte, and GSM which would just require some driver changes and a little bit of minor code work. Instead they have to rewrite the entire kernel for CPU/gpu, network, display, ram, emmc, SoC etc for each variant of the gs2.
We are legion, for we are many.
Sent from the DarkSide of the GalaXy with a MEK device

It's been fun..

I know I've only had this phone a year, but I'm soon selling it as I'm buying a OnePlus One once it is up for preorder. Some of the reasons I'm selling the phone are; Poor LG updates; not so great custom ROM support, thanks to everyone that made them though; not much activity in the forums anymore and lastly, its just getting slower as Android gets newer. Maybe some of you are upgrading soon, if so what are you getting?

I've done the same upgrade as you are doing. Had the optimus g for a year and a half. Great phone however battery life is disappointing and the occasional BSOD is quite annoying so I now have the oneplus one. Great phone just bear in mind it is a huge phone (same size as the iPhone 6 bendy)

>Poor LG updates
S3 didn't even get 4.4
>not so great custom ROM support
Most popular ROMs out there are ported. They work fine and has everything you'll ever need. Personally I found no problem with ROM support.
>its just getting slower as Android gets newer
Still smooth on my phone. It's just as smooth as any flagship out there.
Unless you're running a nuclear powerplant on your phone I wouldn't say it's "slow"

Well the oneplus one wins it all round for me, 64gb internal is great. Battery life is meh as @etalocohc pointed out. Also, the camera isn't so good. Its been a rollercoaster.

Maybe you are right, but Optimus G is lot older and cheaper device. Wouldn't say LG updates are poor, stock firmware is great, and they put KitKat on device from end of 2012 which is nice. I can agree with Custom ROMs, they aren't great and not really much for e975, i think there are more ROMs for USA editions of LGOG. Battery life can be decent with good kernel, my phone goes down with voltage to -137,5 which is really good, better battery life and lower heating.

Avantu said:
Maybe you are right, but Optimus G is lot older and cheaper device. Wouldn't say LG updates are poor, stock firmware is great, and they put KitKat on device from end of 2012 which is nice. I can agree with Custom ROMs, they aren't great and not really much for e975, i think there are more ROMs for USA editions of LGOG. Battery life can be decent with good kernel, my phone goes down with voltage to -137,5 which is really good, better battery life and lower heating.
Click to expand...
Click to collapse
I think most OEMs are supposed to update their phones or at least flagships for at least 2 years. Check your DMs, I asked a question .

Duo8 said:
>Poor LG updates
S3 didn't even get 4.4
>not so great custom ROM support
Most popular ROMs out there are ported. They work fine and has everything you'll ever need. Personally I found no problem with ROM support.
>its just getting slower as Android gets newer
Still smooth on my phone. It's just as smooth as any flagship out there.
Unless you're running a nuclear powerplant on your phone I wouldn't say it's "slow"
Click to expand...
Click to collapse
Yes but ROM support sucks, not to bash on devs or anything, but most of the time ROMs are left half working, are then abandoned and another ROMs project starts. Also Gee sources which are used for a lot of ROMs on this device are just not the best I've seen.
Sent from my LG-E975 using XDA Free mobile app

Galileo said:
Yes but ROM support sucks, not to bash on devs or anything, but most of the time ROMs are left half working, are then abandoned and another ROMs project starts. Also Gee sources which are used for a lot of ROMs on this device are just not the best I've seen.
Sent from my LG-E975 using XDA Free mobile app
Click to expand...
Click to collapse
At least now Faust93 has ported the kk camera driver. Fantastic progress which means gee ROMs can finally qualify as a daily driver.

itsdacj said:
At least now Faust93 has ported the kk camera driver. Fantastic progress which means gee ROMs can finally qualify as a daily driver.
Click to expand...
Click to collapse
There's still the thermald.conf file issue for me, i dont want my phone to be a mobile oven :V

Yeah, maybe in some months I will try to find some excuses to change my G phone, for now I'm happy and KK update was fantastic for me.
Most probably I will stay with LG, regarding One Plus One, I don't like the phone size and I will more time to see their hardware quality.

Got my invite tonight and ordering it later

Duo8 said:
>Poor LG updates
S3 didn't even get 4.4
>not so great custom ROM support
Most popular ROMs out there are ported. They work fine and has everything you'll ever need. Personally I found no problem with ROM support.
>its just getting slower as Android gets newer
Still smooth on my phone. It's just as smooth as any flagship out there.
Unless you're running a nuclear powerplant on your phone I wouldn't say it's "slow"
Click to expand...
Click to collapse
+1

Please compare the G with devices from same time (s3) !
We have all roms u need and i think there are much not here at xda! Chineese dont often use xda because they cant english and are not interested!
And its great to see that one rom works for many models (f180, e970, ls 970..)
Yea one point: i think our g/device trees can more when we have better support with the right devs (we have good devs! They can build roms and fix errors and im happy! But i think device tree has more potential)
Battery life is for me great, i dont belive on wonders and see it in comparison with other devices!
I love my G and i will buy/replace backcover instead to buy a new phone! Theres no different.. I also can replace battery, no problem...
Camerais good! But my backcover has scratches and thats ehy quality awful and high senitivity by lights...
Opo is for me to big!
And hey, we have kitkat, its newest os! 4.4.2. 4.4.4 update makes no sense.. Find differents!
Only one i hate on lg: dont know if we can see g3 ui in future and we have no knockOn or knockCode! Lowend devices are on 4.2.1 but became update in that time with the knockon feature while we have waited for kitkat
Gesendet von meinem E975 / Optimus G mit Tapatalk

Well, it's a bit sad that I am putting my OG up for sale... I love this phone, but a great deal on a G2 was too good to pass, so I am moving on. All of you that are still using an OG, or considering getting one -- have fun and enjoy it, this puppy has plenty of life left in it, and it's still an awesome device today.
Thank you all who helped me along the way, the community support here on XDA is great!

kt-Froggy said:
Well, it's a bit sad that I am putting my OG up for sale... I love this phone, but a great deal on a G2 was too good to pass, so I am moving on. All of you that are still using an OG, or considering getting one -- have fun and enjoy it, this puppy has plenty of life left in it, and it's still an awesome device today.
Thank you all who helped me along the way, the community support here on XDA is great!
Click to expand...
Click to collapse
Oh, G2 has silly problems. I hope you won't regret. But, wish you the best anyway

akahroba said:
Oh, G2 has silly problems. I hope you won't regret. But, wish you the best anyway
Click to expand...
Click to collapse
I know this is an offtopic here, but I am wondering if you have any pointers to such problems. I haven't perused G2 forums yet, but definitely planning to do it. I am not planning to do any heavy modding; still, would be interested to know what to look out for...

kt-Froggy said:
I know this is an offtopic here, but I am wondering if you have any pointers to such problems. I haven't perused G2 forums yet, but definitely planning to do it. I am not planning to do any heavy modding; still, would be interested to know what to look out for...
Click to expand...
Click to collapse
Well, first of all a little signal issue, then something like BIOS battery problem! I mean if you turn the device off at night your settings will reset! Even if you don't turn it off, in the morning you notice it's not silent while you'd switched to silent mode.
Camera lens cover is aweful in quality which will heck your picture quality up. Battery life on kitkat is at least 20 percent worse than JB. Screen has two types which requires two types of kernel. Poor build quality comparing with OG. Risky to put in pocket. Screen yellow tint in many cases when it gets hot. And some other problems that I don't remember now. Oh the soft buttons. They are a real pain. You can't hide them and they are always present in every apps and games.

Even with a OnePlus One, I'll sorely miss my G, with so little amount of people in this forum, its such a tight community which I love. I'll still be around for help, just won't be able to test unless I keep my G alongside my One, still considering it .
Tapped from some sexy bacon goodness (OnePlus One)

[Q] Kernel sources and custom roms

Guys, i am thinking on getting this phone to replace my nexus 5 but i can see there are not lots of options for custom kernels.
Do we have the source code for the kernel and drivers? I ask this because i had a galaxy s3 once and we never got access to the samsung source codes, and because of that we never got a good hardware acceleration and stuff.
I guess my real question is, do we have good kernels and custom roms for this phone? or are we limited because of lacking source code?
Thanks

You have two kernels at the moment.
Rins for Kitkat and ChuppaChops for Lollipop.
For AOSP roms there is no kernel.
And yes, there is good roms available.

DelBoy said:
You have two kernels at the moment.
Rins for Kitkat and ChuppaChops for Lollipop.
For AOSP roms there is no kernel.
And yes, there is good roms available.
Click to expand...
Click to collapse
Do you know about kernel sources? Only two kernels is way less than we have for the Nexus 5 for instance.
Looks like there may be some kind of limitation there...

luizffgarcia said:
Do you know about kernel sources? Only two kernels is way less than we have for the Nexus 5 for instance.
Looks like there may be some kind of limitation there...
Click to expand...
Click to collapse
You can find sources here: https://www.lg.com/global/support/opensource/opensourceList?types=ALL&search=d855
You can not compare Nexus 5 with G3. Nexus is one year here while G3 was completely locked until a month ago.

Ah! That is why then!
Do you think its safe to say that now the devs have no limitations for the G3?

I would say yes.
Right now is a pause because we have Lollipop available and devs are moving to Lollipop so it will take some time to get newest ROMs for it.
But there is already great ROMs.

luizffgarcia said:
Guys, i am thinking on getting this phone to replace my nexus 5 but i can see there are not lots of options for custom kernels.
Do we have the source code for the kernel and drivers? I ask this because i had a galaxy s3 once and we never got access to the samsung source codes, and because of that we never got a good hardware acceleration and stuff.
I guess my real question is, do we have good kernels and custom roms for this phone? or are we limited because of lacking source code?
Thanks
Click to expand...
Click to collapse
You will start to see more custom kernels as the devs move more towards Lollipop. We are in an odd transitional phase of shifting focus from KitKat to Lollipop, so a lot of work is being done to get this new OS running well. We should see more custom kernels as development continues, but you may not notice as many KitKat kernels as you wanted to see. Hopefully you stick with the G3 and we're glad to have you here in our community!

opinions? Which modern ROM for biz-use on Samsung Note3 hlte/TMobile ?

My ofc has a bunch of Samsung Note3 (hlte/TMobile) phones.
Hardware's still perfectly capable.
I need/want them to be -- as much as possible -- rooted, bloat-free, stable(ish) daily driver, using a well-supported current ROM, can live without themeing whistles-n-bells.
For a long while, that's been CyanogenMod. Even though a 'stable' v12 (Lollipop-based) release never saw the light of day, the nightlies have been generally reliable.
Of late, the situation's changed a bit ...
v12 hasn't seen a nightly since May 8.
There's no official v13 -- nightly or otherwise.
v13 *is* available as a completely unofficial solution on XDA, but afaict, the dev's busy as heck -- and there's only one of him.
Questions asked at the forums re: v13 get snark from the moderators.
Works for some. Not for my situation.
Sooooo, I'm looking for opinions. What hlte-ROM gets me closest to my criteria^? ideally on Marshmallow -- with , at least, a plan for N?
Reading through these forums, my first leaning is to Resurrection.
I will make some time to DL and test a few, of course.
But I'd certainly appreciate some thoughtful comments/suggestions.
Thanks.

Would be interested in this, too.

You're not alone. I plan to use the Note 3 for another year, as you said the hardware is perfectly capable. I'd like to run a stable version of Marshmallow at a minimum. I have the same concerns regarding stability, no bloat, root, etc.

dkranes said:
You're not alone. I plan to use the Note 3 for another year, as you said the hardware is perfectly capable. I'd like to run a stable version of Marshmallow at a minimum. I have the same concerns regarding stability, no bloat, root, etc.
Click to expand...
Click to collapse
To be very stable, Lollipop is still the way to go honestly. There are some hardware limitations when concerning Android 6.0+ on the Note 3. But for Marshmallow you could try our Dominion s7 v2.2 ROM. It's in the T-Mobile Note 3 development section. It's Marshmallow 6.0.1 and is stable as the rest of the 6.0+ ROM's. You also retain the S Pen functions unlike something like CM or a purely AOSP ROM. It also has the Screen Off Memo feature from the Note 5.

ludeawakening said:
To be very stable, Lollipop is still the way to go honestly. There are some hardware limitations when concerning Android 6.0+ on the Note 3. But for Marshmallow you could try our Dominion s7 v2.2 ROM. It's in the T-Mobile Note 3 development section. It's Marshmallow 6.0.1 and is stable as the rest of the 6.0+ ROM's. You also retain the S Pen functions unlike something like CM or a purely AOSP ROM. It also has the Screen Off Memo feature from the Note 5.
Click to expand...
Click to collapse
Thanks for the suggestion. I will give it a shot today.

fyi,
Cyanogen Inc. reportedly fires OS development arm, switches to apps
I'm not holding my breath for ongoing Cyanogenmod development for the Note3 ...

n756gkj said:
fyi,
Cyanogen Inc. reportedly fires OS development arm, switches to apps
I'm not holding my breath for ongoing Cyanogenmod development for the Note3 ...
Click to expand...
Click to collapse
If you don't know the difference between cyanogen and cyanogenmod, you have wasted your time in XDA.

googlephone said:
If you don't know the difference between cyanogen and cyanogenmod, you have wasted your time in XDA.
Click to expand...
Click to collapse
Ah, the usual irrelevant drivel ... Didn't take long.
> If you don't know the difference between cyanogen and cyanogenmod, you have wasted your time in XDA.
Riiiiight. That's the issue. 'cuz there's NO correlation whatsoever between dev & devs at Cyanogen and Cyanogenmod project, and with the troubles at the Co, there'll be a sudden uptick in dev & support @ Cyangenmod. I'm sure new devs will start flocking to the platform too ...

Oxygen OS vs CM vs Aosp ROM differences?

What is the difference between the ROMs from a conceptual standpoint? From my understanding since OnePlus releases all the source code, shouldn't they all be very similar? This isn't meant to bash or compare ROMs, I'd just like to get a better big picture understanding.
Thanks

gleggie said:
What is the difference between the ROMs from a conceptual standpoint? From my understanding since OnePlus releases all the source code, shouldn't they all be very similar? This isn't meant to bash or compare ROMs, I'd just like to get a better big picture understanding.
Thanks
Click to expand...
Click to collapse
Gotta try'em

As far as I understand it, OP doesn't release all of the source code. They have release some of it, like the code for dash charging, which helps that element be added to roms. Things like the camera source code and other things are not released afaik, so the camera quality is lost on non-oxygen roms.

It's all preferences, me, Slim Roms are the only choice! Hands down the best!
But honestly OnePlus is doing a damn good job with Oxygen and I personally like it better than CM.
I would have never said that a year ago and thought they would have folded by now but man.. they are doing awesome.