Keep or Lose MF9? - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

HI all,
I'm looking to flash my phone with a newer ROM. I'm currently on one I installed quite a while ago. I'm now a bit confused on which ROMs I can and can't use.
My phone is MF9 according to what I've been able to locate in the about settings and phone info programs. I keep seeing stuff about OD2, but I'm not really sure what that means for me. Also, isn't there something about updating and it doing something to the boot loader?
Do I need to update to OD2 to use newer ROMs?
Will it lock my boot loader and what will that do to my ability to change ROMs later?
Lastly, and I know it's a matter of personal preference, what ROM would you recommend? I'm just looking for something stable. Though good battery life and fast would be nice too.
Thanks,
-Jeff

OD2 didn't lock my bootloader. The updated bootloader actually means you'll be free to use more recent custom ROMs.
As for ROM recommendation, usually it should be a no-brainer for me to give CM, but CM on this phone drains battery a bit too fast, so I'll hold back on that.
Sent from Google Nexus 4 @ CM12.1
[WARNING: XDA Premium 4.0.13+ lacks Signature function - do not update]

Thanks Andy,
So, if I do an Odin update to OD2, I should still be safe on my phone? That takes a load off my mind.
I did CM back on my Nexus S4G years before I got this phone. It wasn't bad. The battery life thing is a deal breaker though. Now that I know I can safely update without screwing things up too much I'll play around with a few. My main thing is to update my wife's phone so that she doesn't have problems. She always insists on matching phones so I can help her with stuff LOL
-Jeff

Only AT&T and Verizon lock bootloaders, you could try my ROM, Wicked X, in the Android Development section. Very stable and battery friendly.
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Related

Out of it...

Hi, I've been on a volunteer project for 3 weeks and before that I had been keeping my phone stock (I was waiting for something I really liked to come out) I've unlocked my boot loader before but I flashed back to .83 and I got into the Moto beta program so I updated officially to the new .91
The problem is: I've been out of this for so long I literally have no clue how to install Alien (Build 4)
Can someone point me to the tutorials I need to follow (In order) to install Alien?\
I also think this could be useful for new Atrix users etc
Seriously?
Open your eyes and read! Or leave it...
OK, re-flash pudding like you were unlocking your bootloader again,
http://forum.xda-developers.com/showthread.php?t=1136261
then install cmw using fastboot
http://forum.xda-developers.com/showthread.php?t=1204500
then install alien.
If you need more help then that, I would spend some time catching up, if you unlocked your bootloader before, not that much has changed since then.
TinyRK said:
Seriously?
Open your eyes and read! Or leave it...
Click to expand...
Click to collapse
You have nothing to contribute, and therefore nothing to say. Please act accordingly.
To the OP: CM7 has come out in a pre-beta form since you've been gone. I would try that and Alien both. See which one you like better...
roharia said:
Hi, I've been on a volunteer project for 3 weeks and before that I had been keeping my phone stock (I was waiting for something I really liked to come out) I've unlocked my boot loader before but I flashed back to .83 and I got into the Moto beta program so I updated officially to the new .91
The problem is: I've been out of this for so long I literally have no clue how to install Alien (Build 4)
Can someone point me to the tutorials I need to follow (In order) to install Alien?\
I also think this could be useful for new Atrix users etc
Click to expand...
Click to collapse
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Thread closed

[Q] Change device ID/Name for wifi?

Hi all, hoping you can help me out with this. It's not a critical issue, more a vanity/QOL thing.
I'd like to change the device name/ID that shows up when connecting my Nexus 7 to a wifi network. Currently it shows up as "android-<string of alphanumerics>" but I'd like to be able to give it a more descriptive name to help differentiate when setting up a wifi connection around multiple similar devices.
I've got my N7 rooted but not unlocked, and I'd prefer not to flash a custom ROM if possible. I'm no stranger to flashing ROMs, I'm just not interested in putting a huge amount of work or potentially causing myself problems for something that is so relatively minor.. I can live without a custom device name, but it would be nice to be able to set one up.
Thanks in advance!
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Is that screenshot from the custom ROM you have listed in your sig?
I'm using a stock N7 with build JDQ39 and I don't seem to have many of those options listed in the Developer Options menu. Or is there something I need to do to enable those, similar to the method used to 'unhide' the Developer Options in the first place?
My apologies if this is basic information that I could have found elsewhere.
TechDragon said:
Is that screenshot from the custom ROM you have listed in your sig?
I'm using a stock N7 with build JDQ39 and I don't seem to have many of those options listed in the Developer Options menu. Or is there something I need to do to enable those, similar to the method used to 'unhide' the Developer Options in the first place?
My apologies if this is basic information that I could have found elsewhere.
Click to expand...
Click to collapse
Yes it is Slim Bean Build 7. That is just what I use as it is included in the ROM. You can set it manually or use an app such as these.
Wow.. I feel incredibly dumb right now. I'm so used to doing things the hard way I didn't even consider checking if there were apps in the store that might do what I wanted. Thanks for reminding me to look in the easy places first!
Cheers!

[Q] Question regarding system updates to rooted s4 (stock rom)

Hello,
I have a Sprint Galaxy S4 (but you knew that.) that is currently running 4.4.2 Android. I have rooted my phone, but I never installed any roms, I am still using the stock touchwiz. For a while now, my phone has been telling me "system update downloaded" and wants me to install it.
Basically: How do I go about updating my phone without breaking something due to my root status. Should I un-root? Should I just hit update? I'm skeptical because I don't know much about fixing my phone if I accidentally brick it.
Alternatively, would I be better just getting a rom, like Cyanogen? I don't hate touchwiz as much as I probably should, haha.
Side note, I apologize if this has been raised before, I have been searching for answers to this since the first time my phone notified me of the update, between Google searches and searching this forum, I haven't found a topic that addresses my issue.
Akalron said:
Hello,
I have a Sprint Galaxy S4 (but you knew that.) that is currently running 4.4.2 Android. I have rooted my phone, but I never installed any roms, I am still using the stock touchwiz. For a while now, my phone has been telling me "system update downloaded" and wants me to install it.
Basically: How do I go about updating my phone without breaking something due to my root status. Should I un-root? Should I just hit update? I'm skeptical because I don't know much about fixing my phone if I accidentally brick it.
Alternatively, would I be better just getting a rom, like Cyanogen? I don't hate touchwiz as much as I probably should, haha.
Side note, I apologize if this has been raised before, I have been searching for answers to this since the first time my phone notified me of the update, between Google searches and searching this forum, I haven't found a topic that addresses my issue.
Click to expand...
Click to collapse
You coins just try a custom Touchwiz ROM like mine (Wicked X). You can't install the OTA on a rooted system, you need to unroot to take the OTA.
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Does the bootloader and modem versions really matter?

Everything is working great, I am not seeing any issues at all.... but I am using Jasmine 6.1 which is based on OF1 lollipop 5.0. I had been running 4.4.2 when I unlocked the bootloader and then installed TWRP and then Jasmine6.1.
I was digging through my phone's status via the Phone INFO app and (not really surprised) that my bootloader was still NC4 and my modem was NK1 (I flashed the OF1 modem when I flashed lean kernel).
Like I said, all is working well... I tend to leave things alone if there're not broken..... SO.... Is there any reason I should update bootloader or modem?
Thanks in advance...
Don
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Sent from my SM-N900V using Tapatalk
I would advocate the "if it ain't broke, don't fix it." approach.
Assuming you archive the various Odin stock releases so you'll have them in the future, you always have the option of rolling forward, but mostly won't have the option of rolling back.*
For earlier releases of firmware than what you are using (e.g. MJ7 and MJE) there seems to be an inability to boot stock kernels from later releases. And even non-stock kernels as well (I can't boot twrp-3.0.2-0-hltevzw-4.4 for instance, even though it doesn't have a "stock" heritage).
But I'm not sure this is a fundamental technical incompatibility or something that is merely sensitive to the kernel configuration options used during their builds.
It is a significant practical issue for folks on old firmware that might prevent them from using a "debloated" newer stock release, however. If folks who are willing to build kernels for us (I am trying OB6 and NK1 kernel builds with zero success at the moment) figure out what the technical issues are we might makes some progress here; if not the practical issues will remain.
But who is to say that something like this might or might not happen in the future to folks currently unlocked on "4.4" bootloaders? Keep those Odin stock bundles archived until you get rid of the phone!
* I realize there are some exceptions.
Yea... For now... That's my plan... Was just wondering if someone knew for sure one way or the other.
Sent from my SM-N900V using Tapatalk

MM, Nougat, stock, root...Which has best overall performance and reliability?

I'm rooted via instruction from here: https://forum.xda-developers.com/tmobile-s7-edge/how-to/how-to-root-s7-edge-t3410470 and continually have to adjust settings just to have mediocre performance, not even to speak of other issues there seems to be no workaround for (like the OS not being able to handle background apps properly so I'm getting notifications late, or not at all...But I DO get notifications from apps/games I haven't opened or played in a week). I also signed the petition to unlock the bootloader. I WANT the keep the fight going, but I NEED a properly working phone more (ultimately, my way to really show my dislike of Samsungs lockdown decisions is when I buy my next phone from someone else!).
So I ask, what should I put on my phone for the most reliability and performance? Is that the current stock Marshmallow? Nougat? Or something else?
Thank you.
Stock whatever if you really wanted root sorry to say this is not the phone for you.
Stock TMO Nougat, very closely followed by stock Universal Marshmallow. Some people are experiencing very minimal lag with rooted TMO Nougat, which gives me hope for rooted Universal Nougat.
Definitely rooted nougat.
king3opobn said:
Definitely rooted nougat.
Click to expand...
Click to collapse
Care to share your kernal settings? I'm having a very bad time with my root on ENG kernal. Do you suggest a different method?
Thanks for the replies folks. I decided to go with stock nougat and so far it's been like a breath of fresh air when you've been breathing nothing but convoluted smog and I haven't even debloated it yet.
cr1130 said:
Care to share your kernal settings? I'm having a very bad time with my root on ENG kernal. Do you suggest a different method?
Click to expand...
Click to collapse
I used the same way as you
https://forum.xda-developers.com/showthread.php?t=3567502
I set the cpu govener to conservative
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Seems to me root isn't the way anymore forbs7, lot of bricked phones, everyday people saying they're stuck in a boot loop or its laggy after root. The only reason I would want to root is to disable native upsampling across the whole system. Right now disadvantages > advantages imo. Other than that there is nothing else I want to do that I can't already do with Nougat and formely MM on my S7E.
I wish they would release the U version...
Sent from my SM-G935U using XDA-Developers Legacy app

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