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[Q] [NOOB] Help building custom ROM for S5 G900H

Hey guys
I'm currently working on my first custom ROM mainly because there are currently no ROM for the dreaded G900H (aka Exynos) version. For this, I already downloaded a stock ROM and created my environment using Android Kitchen. So here are my questions:
1. I was able to follow and execute all the instructions to extract the custom ROM, install root and busybox. But first... is Android Kitchen even compatible with Galaxy S5?
2. Is it important to keep the CSC info on the new ROM? How can I backup current CSC info from my stock (carrier provided) S5?
3. How probable is to brick the phone if I flash a very alpha ROM as the one I'm supposedly cooking? I already have a nandroid and EFS backup
Thanks in advance for your answer and patience.

+1
i need custom rom too for my sm-g900h
could anyone post full guide and video showing us how make our custom rom?
really appreciate

+1
Me too, I am on the same wait. Please and thanks. :good:

answers any one?
Sent from my SM-G900H using XDA Premium 4 mobile app

at least someone give us full guide of building/modifying our stock rom to custom rom

Is there still no hope for the s900H ((((

any rom?
I cant believe no custom rom for my s900h phone. Million of users all over the world, including latin america, asia. If Iknew how to built one I would, but I have no Idea. Developers where are you?

luisnica98 said:
I cant believe no custom rom for my s900h phone. Million of users all over the world, including latin america, asia. If Iknew how to built one I would, but I have no Idea. Developers where are you?
Click to expand...
Click to collapse
Funny, implying that this is an statistics game. It is not and it's ridiculous to blame developers for the lack of support.
Pretty much everyone that actually develops got the Snapdragon variant, if I had a choice I'd gotten that just by the amount of code and AOSP possibility.
Exynos was only supported by a couple of devs, it's all Samsung's fault - not devs. None of them currently has an S5.
Use xposed, greenify, titanium backup and there are few reasons you'll need a custom rom.
Xposed opened a new world of possibilities to modding.
Edit: Exactly that demanding attitude is what puts devs off. Other regions are usually more polite and grateful and that's something devs have noted in the past....

drakester09 said:
Funny, implying that this is an statistics game. It is not and it's ridiculous to blame developers for the lack of support.
Pretty much everyone that actually develops got the Snapdragon variant, if I had a choice I'd gotten that just by the amount of code and AOSP possibility.
Exynos was only supported by a couple of devs, it's all Samsung's fault - not devs. None of them currently has an S5.
Use xposed, greenify, titanium backup and there are few reasons you'll need a custom rom.
Xposed opened a new world of possibilities to modding.
Edit: Exactly that demanding attitude is what puts devs off. Other regions are usually more polite and grateful and that's something devs have noted in the past....
Click to expand...
Click to collapse
Sorry if I didnt make myself clear. English is not my first language. When I mentioned the millions of user was only to imply that more users, the more chance to have a genius among them. I didnt mean to have a demanding attitude. I was trying to say "Iknow you are out there, I know you are developing something for all of us. We are here waiting for your effort.

@CiDev:
You want to share your ROM for "H" here?

i dont think that will we have any custom rom for our model
but according with this http://forum.xda-developers.com/showpost.php?p=52168627&postcount=168 @Shohat told me that he will release custom rom until end of may,,but nothing..
maybe he is busy

Airboner said:
i dont think that will we have any custom rom for our model
but according with this http://forum.xda-developers.com/showpost.php?p=52168627&postcount=168 @Shohat told me that he will release custom rom until end of may,,but nothing..
maybe he is busy
Click to expand...
Click to collapse
I wouldn't bet *anything* on it being released, it looks to me like an abandoned project...
The whole 'I can't work on this because I don't have money' turned me off instantly from that ROM.
On topic: I have been working on a custom kernel for our device, mainly trying to improve battery life. I'm still testing, if it's worth it, I can release it.
It's based on the contributions of others, so it wouldn't be fair for me to keep it private, I just don't want to release something that will break stuff.

mindol81 said:
Hey guys
I'm currently working on my first custom ROM mainly because there are currently no ROM for the dreaded G900H (aka Exynos) version. For this, I already downloaded a stock ROM and created my environment using Android Kitchen. So here are my questions:
1. I was able to follow and execute all the instructions to extract the custom ROM, install root and busybox. But first... is Android Kitchen even compatible with Galaxy S5?
2. Is it important to keep the CSC info on the new ROM? How can I backup current CSC info from my stock (carrier provided) S5?
3. How probable is to brick the phone if I flash a very alpha ROM as the one I'm supposedly cooking? I already have a nandroid and EFS backup
Thanks in advance for your answer and patience.
Click to expand...
Click to collapse
1 - yes.
2 - make an nandroid before
3 - if you have a brick, restore from your nandroid and ready again

Samsung S7390

Hi All,
I'm Jack Droid and I'm a new member.
I have a Samsung Smartphone model S7390.
Surfing into the internet, I understood that there is not much development for this device...
Maybe because that device is not so appreciated but anyway, I have this model!
Moreover, I did the root and I found an CWM recovery that it's ok for it but what I have never found, is a custom rom.
My question is : do you know if exist a device that could be quite similar to Trend Lite S7390 so that I can use a rom for that and try to flash into my device ?
Many thanks for your attention and waiting for your kind reply.
All the best
Max

Jack Droid said:
Hi All,
I'm Jack Droid and I'm a new member.
I have a Samsung Smartphone model S7390.
Surfing into the internet, I understood that there is not much development for this device...
Maybe because that device is not so appreciated but anyway, I have this model!
Moreover, I did the root and I found an CWM recovery that it's ok for it but what I have never found, is a custom rom.
My question is : do you know if exist a device that could be quite similar to Trend Lite S7390 so that I can use a rom for that and try to flash into my device ?
Many thanks for your attention and waiting for your kind reply.
All the best
Max
Click to expand...
Click to collapse
you dont want to try a rom just because it is made for a "similar" phone. it is very likely to brick your phone.
the rom must say it is compatible or made for your phone, or you cant use it.
unfortunately, i can find no roms for your phone, as you already found out.

bweN diorD said:
you dont want to try a rom just because it is made for a "similar" phone. it is very likely to brick your phone.
the rom must say it is compatible or made for your phone, or you cant use it.
unfortunately, i can find no roms for your phone, as you already found out.
Click to expand...
Click to collapse
Hi bweN diorD,
thanks for your reply.
I suspected that was not possible to flash a rom for another device into mine but considering that development for my phone is not so much acitve, I was thinking that could be a solution but it seems that it's not a good idea!
I was thinking to S5280 but it has a dual core cpu if I remember well...
Anyway, I have to leave my phone just with CF root and CWM recovery and considering the actual situation, I'm happy in that way !
I will continue my hacking experience with my Galaxy Note 10.1 2014 Edition that has much more development.
I also have seen in this very good forum that a member is development a CyanogenMod for that tablet so thjat I'm following the evolution and when the rom will be rock stable, I will proceed to flash it.
I thank you again for your support and I wish you a very good evening!
See you into the forum and all the best!
EDIT
I'm following the development on this thread http://forum.xda-developers.com/showthread.php?p=52978200
S7392 is the same phone of S7390, only S7392 has two slim but electronical components are the same.
Maybe this could be a good solution!

Well you can try fancylite rom

Xiaomi Redmi Note-Stock Android

I do not like MIUI for a number of reasons.
Their forum leaves a lot to be desired.
It is not GPL complaint.
I flashed HMNOTE1W_AOSP_DEV_0627.zip and it is working reasonably well.
Had to restore both IMEI numbers using MtkDroidTools v2.5.3
Have restored all files from my Nexus 5 with Titanium Backup.
Main problem is can't do anything about the kernel.
This is why development is limited as zelendel explain to me.
Too bad, as it is a nice phone for the money.
I didn't buy it. It was a gift from a friend in Malaysia, who knows
I like playing with phones.
Nexus 5 is my daily phone.
I just see the Redmi Note as a challenge.

nice bro.. can u share ur rom?

verilizerz said:
nice bro.. can u share ur rom?
Click to expand...
Click to collapse
I downloaded it from the MIUI site.
See Here
HMNOTE1W_AOSP_DEV_0627.zip
You will lose your IMEI's.
Took me a while to get everything working.
Make sure you know how to unbrick your phone, just in case.

Trying new ASOP rom.
VANILA_XAN
SEE HERE
This is the same site listed in the All in One Thread.
The forum is in Spanish.
There are quite a few roms listed in addition to the ones posted.
I am only interested in ASOP roms.
You have to join to download roms.
Install straight forward using CWM.
As usual had to restore my IMEI numbers.
Been running for only about two hours, but seems fine.
Make sure you backup Titanium Folder to your PC if you plan to use it.

Here is another ASOP rom from the Spanish forum.
Direct Link
AOSP Z3
Very slow download for me for some reason.
Features:
Tweaked for better performance and stability
Removed built-in apps that are not often used
Pre-rooted
Zip-aligned
init.d Support
Any internal modification
Xposed Works Framework
Powered by Gravity Box
Lenovo Calendar
Lewa Calculator
Lenovo Music
File Manager Lenovo
Dual Sim Ringer
Xtended Rings
Haven't tried it, yet.

Thanks for sharing

00sand00 said:
Thanks for sharing
Click to expand...
Click to collapse
No problem. Trying to find useful information to post here.
The MIUI forum does not seem to be that good from a development
standpoint. I am certainly not a developer, so the best I can do
is post useful information.
Unfortunately, other than the MIUI forum, most forums are not in English.
I am able to get information from the Spanish Forum, as I know a little Spanish.
Google translate takes over when I don't understand something.

AOSP Z3 by Xancin
Installed AOSP Z3 by Xancin.
Xancin has Written many ROM's at the Spanish forum
movilesdualsim.com
SEE HERE
Had to restore IMEI numbers, which is necessary on every install I have done.
Very easy using MtkDroidTools v2.5.3.
Other than that, install was straight forward.
ROM running smooth for past couple of days.

Went back and reflashed VANILA_XAN ROM.
All ROM's are a matter of personal preference and
VANILA_XAN seems to suit me the best.
The other ASOP ROM's worked fine and will suit others.
Now trying the Dual Sim's. I have T-Mobile(USA) as default
and vodafone(NZ) as the second sim.
Since I will be spending Christmas in New Zealand thought
it a good idea to test it.

nice thread!. i am really hoping there would be a stable kk rom

SM-S820L Lollipop Update?

Is there any way to get Android Lollipop on the Galaxy Core Prime SM-S820L? I have read about custom ROM's but I still don't know much about them and can't find any for this model. If anyone has found or created a way to flash a custom ROM onto this device, please let me know.

Liantik said:
Is there any way to get Android Lollipop on the Galaxy Core Prime SM-S820L? I have read about custom ROM's but I still don't know much about them and can't find any for this model. If anyone has found or created a way to flash a custom ROM onto this device, please let me know.
Click to expand...
Click to collapse
I also own this device, and unfortunately there is very limited support in the custom Rom department. If there was to be a lollipop Rom, someone would either have to port one somehow, or build it from source. Given the development rate for this device, I don't predict it happening anytime soon, sorry to say.

not going to happen
i have been trying since february the answer i got from my carier was samsung is contracted not to support this device thats why that is so hard to find samsung told me to take the device to bestbuy to force update if they could probably irrelavent but maby it helps

SM-S820L Got the Shaft!
Yup! This seems to be the future for the SM-S820L, or lack of future I should say.
I too have the Samsung Galaxy Core Prime SM-S820L. I have spent lots of hours scouring the internet looking through every android related forum in hopes of eventually finding someone that is undertaking much needed programming to build a custom ROM for this CorePrime version.
If you are looking for a custom recovery to use. I can point you to my and others posts over at Needrom. The best I can offer is an unofficial TWRP release, but it DOES work! It does for myself at least and I am no Android Guru whatsoever.
I guess I am not allowed to post Links in any of my posts yet because I am still a NOOB on these forums. I'll PM you with some direction my friend!
I cannot take credit for coming up with any of that software. I simply rooted around long enough to compile a collection of tools and files that worked for me to modify the Recovery of my SM-S820L.
:good: Feel free to shoot me a Private Message on this site or to my personal Email....... [email protected]
I would love to help out as much as I can with modding your phone. Like I said, I'm not a proffesional but I have read up on the procedures used and been successful with my own Galaxy Core Prime:laugh:

Custom ROM's and CWM recovery for SM-S820L?

I have been into modding my SM-S820L for a few months now and although I have found an unofficial TWRP release and a few stock ROM's from various sources, I have never seen any type of CyannogenMod ROM or other custom ROM for this phone.
Also I have been wondering about compatibility between some of the other Samsung Galaxy Core Prime models or similar Samsung phone in general. Would it be plausible that a ROM for say SM-G360T would run on an SM-S820L????
I would love it if anyone knows about compatibility between the SM-S820L and other Samsung Galaxy phone's firmware and custom recovery releases and is willing to share the knowledge would post here with some advice.:laugh::good:

Sm s820l
I'm in the same boat as you, there's just not much out there, a new rom was posted on area51 but it wasn't much different, just got rid of bloatware as far as I could tell. I look at it like it's a cheap phone, and as far as custom roms and such, it's just not popular or not favored. I've spent hours searching, nothing out there but malicious websites lol. I'll keep you in mind if I come across something.

Head over to NEEDROM. I built a modified ROM from the Stock firmware for the SM-S820L.
Here is my post!!!

CM, PAC, etc, ROMs for other variants of the Core Prime definitely aren't compatible with the 820L variant? Nothing available but stock-based ROMs?

As far as I have found on the Net, and I have searched for countless hours, I havent found any truly custom ROMs from CM or any other ROM makers. All of my modded ROMs and Kernels are just modified stock files. I havent heard of the other SM- variants being compatible with the SM-S820L but if you ever do find info that certain ROMs work with this model, please post here or shoot me a PM.
I would be uber happy to finally flash something like a Cyanogen Mod ROM

Psilocelium said:
but if you ever do find info that certain ROMs work with this model, please post here or shoot me a PM.
Click to expand...
Click to collapse
An acquaintance of mine just got a Core Prime, so I was looking for info to root and ROM his phone. If you, someone who's actively been looking for the info hasn't found anything yet, it's pretty unlikely that I will. Looks like he just had the crummy luck of ending up with the variant that doesn't have much dev support. Thanks for the reply, though. People over in the SPH-L720 section don't tend to be nearly so helpful.

Fangthane420 said:
An acquaintance of mine just got a Core Prime, so I was looking for info to root and ROM his phone. If you, someone who's actively been looking for the info hasn't found anything yet, it's pretty unlikely that I will. Looks like he just had the crummy luck of ending up with the variant that doesn't have much dev support. Thanks for the reply, though. People over in the SPH-L720 section don't tend to be nearly so helpful.
Click to expand...
Click to collapse
Is his Core Prime model SM-S820L? If so, I remember using Kingroot to root and then SuperSu Me to remove Kingroot and retain root. You can find SuperSu Me in the Aptoide app store.
After I rooted my phone, I installed TWRP with ODIN3. You do need to have the Samsung Drivers setup and Kies3 installed to have all needed drivers in order to use ODIN3 in your phone's download(ODIN) mode.