So I have an MF3 S4 and I want to root it - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

Like the title says kinda just looking to see how screwed id be on wanting to root this and put something like Task650s ROM on my new S4 and KTs Kernel
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chrisj22 said:
Like the title says kinda just looking to see how screwed id be on wanting to root this and put something like Task650s ROM on my new S4 and KTs Kernel
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Click to expand...
Click to collapse
Search and read before posting and you'll be rewarded

chrisj22 said:
Like the title says kinda just looking to see how screwed id be on wanting to root this and put something like Task650s ROM on my new S4 and KTs Kernel
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Click to collapse
Your a senior member so you know better."GENERAL SECTION".
Just braking your b?lls a bit.
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chrisj22 said:
Like the title says kinda just looking to see how screwed id be on wanting to root this and put something like Task650s ROM on my new S4 and KTs Kernel
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Click to collapse
Firstly, start here... http://forum.xda-developers.com/showpost.php?p=42320414&postcount=2
The fact that your are running the MF3 bootloader will prevent you from flashing any custom kernels due to the blown qFuse. Your only option as of right now is to root your device either using Kingo or jortex's root exploit. From their your need to install Hashcode's Safestrap Recovery and go from there with TouchWiz based ROM's for MF3.

jball said:
Your a senior member so you know better."GENERAL SECTION".
Just braking your b?lls a bit.
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Click to collapse
So no options for overclocking or undervolting for me?
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chrisj22 said:
So no options for overclocking or undervolting for me?
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Thats correct no custom kernels witch means no overclocking,I think with rom toolbox you can change the voltages.
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just asking to see if there's any last hope for it but whats LOKI? ive heard about it in the past. Ive seen on KT's Kernel thread it would work on TW but im guessing it wont work for me being the qfuse issue.
Also if none of these are an option whats the point anymore to root? my old S3 was amazing and i loved flashing new things on it but it seems so locked down now to where the only real benefit of rooting is bloatware removal.
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chrisj22 said:
just asking to see if there's any last hope for it but whats LOKI? ive heard about it in the past. Ive seen on KT's Kernel thread it would work on TW but im guessing it wont work for me being the qfuse issue.
Also if none of these are an option whats the point anymore to root? my old S3 was amazing and i loved flashing new things on it but it seems so locked down now to where the only real benefit of rooting is bloatware removal.
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Click to collapse
There is a lot of information about "LOKI" and "Rooting" in the General, Development, and Original Development sections.

This phone frustrates the **** out of me. So its rooted and all that with safestrap and when I flash a TW rom all it says is go to slot one and ceeate that and wipe the phone and install and when I do that and reboot all I get os a black screen with a blue led at the top
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chrisj22 said:
This phone frustrates the **** out of me. So its rooted and all that with safestrap and when I flash a TW rom all it says is go to slot one and ceeate that and wipe the phone and install and when I do that and reboot all I get os a black screen with a blue led at the top
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Click to collapse
Use the MF3 Odin files, go back to stock and try again. Are you positive you didn't accidentally flash your TouchWiz ROM to the stock slot? Also... was what ROM was it?

I tried StockUp MJ6 4.3 TW rom. When id flash id do tue wipe it says in the instructions and then go and create rom slot 1 and install to that and then reboot to no avail. Ill have to try the stock ODIN when I get home
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chrisj22 said:
I tried StockUp MJ6 4.3 TW rom. When id flash id do tue wipe it says in the instructions and then go and create rom slot 1 and install to that and then reboot to no avail. Ill have to try the stock ODIN when I get home
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You need to use the 4.2, not 4.3 in ss.

Im hoping Flight5 4.2.2 TW will work ill try it when I get home. It saying I can flash a LOKId version of KTs kernel I didnt think that was possible on MF3
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chrisj22 said:
Im hoping Flight5 4.2.2 TW will work ill try it when I get home. It saying I can flash a LOKId version of KTs kernel I didnt think that was possible on MF3
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Click to collapse
you still have to use loki, sir, you have a lot of reading to do, please check out the stickies in the general forum, before you really wind up with a expensive paper weight.

jd1639 said:
You need to use the 4.2, not 4.3 in ss.
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Click to collapse
Flight5 flashed well and nlKTs kernel didnt w9rk like I figured. It does seem abit faster but as far as benchmark scores its the same. FYI to anyone reading this if you want an S4 and want the non MF3 go to RadioShack and buy your phone. At our store we got 12 of the good S4s in stock
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Related

Mdl vs. Mf3???

Hey guys i just got my s4 yesterday and am wondering what the difference between the 2 firmwares is. Is one better then the other? My phone downloaded an update last nite but I havent installed it yet. Was going to root this afternoon.
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MF3 locks the boot loader, so if you want to flash ROMS, don't update. It also has some software tweaks and adds Knox and the ability to easily store apps on SD card. There is a root, but not a boot loader unlock, yet.
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Ahh, I do want to flash roms. This update wont install itself will it?
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gho5t82 said:
Ahh, I do want to flash roms. This update wont install itself will it?
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Click to collapse
Do yourself a favor and search and read through the first page or so of the general and Q&A sub forums. The information you need is there, especially the "pinned" threads in the general section. Read the "software update" thread and the "new root method for MF3" thread also. Good luck.
Will do scott thanks! Im coming from an iphone and forgot how big the android world is! Had an inspire 4g prior to my 4s
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gho5t82 said:
Ahh, I do want to flash roms. This update wont install itself will it?
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Click to collapse
Some say it has auto installed
It will auto install. You should root and put a custom Rom on asap. Check your firmware first though, if it's already installed you can brick your phone trying to root the way you would with mdl. If it's mf3 you've got the update and you'll have to use a different method.
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I had Knox on MDL, not sure what your talking about.
Mf3 locks the boot loader but fixes bugs and make the camera take sharper pictures. Plus better cell signal.
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I got lucky. It tried to auto instal so i yanked the battery and quickly rooted and threw a custom rom on it.
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Can somebody tell me about this locked MF3 issue?

I just bought a galaxy s 4 off craigslist and its on the MF3 baseband. Does this stop me from flashing ROMs? What do I need to do to fix this?
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I would start by checking out post #2 in my I337 guide.
xBeerdroiDx said:
I would start by checking out post #2 in my I337 guide.
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I was actually just reading that over, but I'm still a tad confused about what ROM this is on. I have a splash screen when I boot that says "samsung" but below it says "custom" with an unlocked lock, and the rom is JDQ39.I337UCUAMF3, which makes me think that dude unlocked the bootloader and flashed a custom (leaked?) version of MF3. Still searching around to find if thats actually the case of not
Thank you for making this guide
Lubricate your eyes and enjoy the reading material in the "General Section" followed by the "Q&A Section" cause your going to want to educate yourself about this pain in the A?? Att locked down phone. its bootloader locked/write protected enabled .look into Safestrap
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And also kingo root method.
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jball said:
Lubricate your eyes and enjoy the reading material in the "General Section" followed by the "Q&A Section" cause your going to want to educate yourself about this pain in the A?? Att locked down phone. its bootloader locked/write protected enabled .look into Safestrap
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Great. The touchwiz ROM on this is horrible. Im assuming safe strap will allow me to flash some custom ROMs? I miss cyanogen
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whitesox311 said:
Great. The touchwiz ROM on this is horrible. Im assuming safe strap will allow me to flash some custom ROMs? I miss cyanogen
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yes. touchwiz based 4.2 roms only.
http://blog.hash-of-codes.com/how-to-safestrap/
http://forum.xda-developers.com/showthread.php?t=2428254
http://forum.xda-developers.com/showthread.php?t=2448925
deadenz said:
yes. touchwiz based 4.2 roms only.
http://blog.hash-of-codes.com/how-to-safestrap/
http://forum.xda-developers.com/showthread.php?t=2428254
http://forum.xda-developers.com/showthread.php?t=2448925
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Click to collapse
good deal, thanks for the help guys.
Not all TW roms are bad.just try out some different roms like you would a bootloader unlocked phone.i found Darthstalker to be pretty good.
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Android 4.3 Touchwiz ROM ANYONE??

Does anyone know of a new Android 4.3 Touchwiz ROM? 4.3 has recently been released on the GT-I9505 and I have been wondering if anyone has implemented this into their ROMs yet. I'll probably just flash a Loki patch if it isn't already loki'd.
Anyone have a suggestion or idea? Comment below!
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http://forum.xda-developers.com/showpost.php?p=46562762&postcount=17
http://forum.xda-developers.com/showthread.php?t=2467693
http://forum.xda-developers.com/showthread.php?t=2372286
wwevoxnj said:
http://forum.xda-developers.com/showthread.php?t=2372286
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Thanks so much, I'm actually downloading this one from Mega right as we speak! Thank you thank you thank you! Just what I was looking for!
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DreenHotdog said:
Thanks so much, I'm actually downloading this one from Mega right as we speak! Thank you thank you thank you! Just what I was looking for!
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Click to collapse
Your welcome...also I believe vision II is going to be uploaded tonight so you can wait for that if you like since its made for an att phone.
wwevoxnj said:
Your welcome...also I believe vision II is going to be uploaded tonight so you can wait for that if you like since its made for an att phone.
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Click to collapse
Thanks man! You're a great help! I'm gonna flash both of them and give em' a test drive. Thanks dude.
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DreenHotdog said:
Thanks man! You're a great help! I'm gonna flash both of them and give em' a test drive. Thanks dude.
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Click to collapse
I have already tried flashing the VisionX II on my ATT MF3 S4 with no luck. ROM tries to flash and returns success but progress bar never fills. I flashed the Knootz kernel with no help there either. Upon re-boot, phone passes thru Safestrap and then black screen and goes no further. Like to know if anyone has been able to flash the new VisionX v4.3 and what I did wrong if anything.
Equiptech66 said:
I have already tried flashing the VisionX II on my ATT MF3 S4 with no luck. ROM tries to flash and returns success but progress bar never fills. I flashed the Knootz kernel with no help there either. Upon re-boot, phone passes thru Safestrap and then black screen and goes no further. Like to know if anyone has been able to flash the new VisionX v4.3 and what I did wrong if anything.
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Your trying to flash a 4.3 firmware onto a 4.2.2 at the moment with safestrap you can only flash 4.2.2
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Equiptech66 said:
I have already tried flashing the VisionX II on my ATT MF3 S4 with no luck. ROM tries to flash and returns success but progress bar never fills. I flashed the Knootz kernel with no help there either. Upon re-boot, phone passes thru Safestrap and then black screen and goes no further. Like to know if anyone has been able to flash the new VisionX v4.3 and what I did wrong if anything.
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Click to collapse
Did you flash a loki patch? Remember that it's made for the I9505 and not the I337
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You don't need to flash loki if you flash the att ktoonz kernel. I did not use safe strap so I cannot answer that question but with twrp I was able to successfully flash vision I I. This rom is amazing and really fast. If you can I suggest you give it a shot.
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I've done so, but with Philz touch. It didn't work though, as it just gave me a black screen after it booted, and then otherwise just kept rebooting without even continuing with a boot animation. I did flash Loki doki, but do you think it would make a difference if I were to flash the AT&T kernel itself?
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All I did was factory reset then flashed the rom and then flashed the ktoonz att kernel. Then wiped cache and dalvik and rebooted. Works perfectly...you don't need to mess with loki if you flash an att kernel as they already have it.
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Ah yeah. I've actually done so before I read this message and I have it running on my phone right now. I want to get mobile data to work though, and so far it's not going anywhere. I've even given it the right APN, but I guess it's just not showing up when I turn it on. Have you had problems/solutions towards this?
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omega rom v13 any1?
DreenHotdog said:
Ah yeah. I've actually done so before I read this message and I have it running on my phone right now. I want to get mobile data to work though, and so far it's not going anywhere. I've even given it the right APN, but I guess it's just not showing up when I turn it on. Have you had problems/solutions towards this?
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Click to collapse
Yes I have mobile data to work. I entered the right apn (ATT PHONE) and then saved it. Also I changed the network mode to lte/wcdma/gsm. I've heard the new audism 4.3 kernel works very well but I have yet to have a problem with ktoonz and have amazing battery life.
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Designgears is supposed to release the MJ6 leak tonight, soooo.......
scott14719 said:
Designgears is supposed to release the MJ6 leak tonight, soooo.......
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where did you get this info from?
Andrew149 said:
where did you get this info from?
Click to expand...
Click to collapse
designgears.
http://forum.xda-developers.com/showpost.php?p=46756328&postcount=53
scott14719 said:
designgears.
http://forum.xda-developers.com/showpost.php?p=46756328&postcount=53
Click to expand...
Click to collapse
Thanks for the link im excited now!

[Q] How can I flash Cyanogen?

I have an S4 running 4.2.2 and it's currently rooted. But the root does not allow me to have a custom recovery. I want to be able to flash Cyanogen, but I'm not able to at the current time. What is your best idea of what I should do?
mars4prez said:
I have an S4 running 4.2.2 and it's currently rooted. But the root does not allow me to have a custom recovery. I want to be able to flash Cyanogen, but I'm not able to at the current time. What is your best idea of what I should do?
Click to expand...
Click to collapse
Contact CM for a solution? I'm sorry i cant be more help ful, but if they cant do it...........
You both need to do a considerable amount of reading before ruining your devices I would start with this thread
http://forum.xda-developers.com/showthread.php?t=2301762
"You stay classy San Diego"
Sent from my ATT S4 draped in velvety awesomeness
s4freak said:
You both need to do a considerable amount of reading before ruining your devices I would start with this thread
http://forum.xda-developers.com/showthread.php?t=2301762
"You stay classy San Diego"
Sent from my ATT S4 draped in velvety awesomeness
Click to expand...
Click to collapse
Can I do anything at this point if I'm on MF3?
mars4prez said:
Can I do anything at this point if I'm on MF3?
Click to expand...
Click to collapse
Check out Safestrap.
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Safestrap puts my phone into a boot loop
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mars4prez said:
Safestrap puts my phone into a boot loop
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Click to expand...
Click to collapse
Then reread the OP and make sure you do exactly what it states.
Take your time and just make sure to follow each step.
MF3 can be rooted and de bloated but has no real custom recovery.
Safe strap only allows one on 4.3 to flash 4.2 2 roms.
"You stay classy San Diego"
Sent from my ATT S4 draped in velvety awesomeness
I'm on 4.2.2 and I followed all the instructions very carefully, but whenever I try to load my slot with the Google edition ROM (4.2.2) the phone goes into a continuous boot loop. I have no idea what is wrong and I can't find a solution anywhere.
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mars4prez said:
I'm on 4.2.2 and I followed all the instructions very carefully, but whenever I try to load my slot with the Google edition ROM (4.2.2) the phone goes into a continuous boot loop. I have no idea what is wrong and I can't find a solution anywhere.
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Click to expand...
Click to collapse
make sure you partition your slot big enough...try 2 and 1.5 for data...
I did this and it still didn't work. Where is the best guide on how to exactly flash a ROM? I've been following a video guide on it, but it doesn't work.
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You are probably using the wrong GE ROM... Only certain ones work. Check the OP of the SS QA thread.
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Pick a smaller rom to start...gpe 280 mb...make sure you flash the mf3 module zip after the rom flashes...look in deadly venom 8.2 he has all the links. .his rom is awesome too..its 1.1 gb try that too
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Won't boot

I have a gs4 on att and have installed numerous roms but will never boot anything but the stock one
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ce250 said:
I have a gs4 on att and have installed numerous roms but will never boot anything but the stock one
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Click to collapse
What firmware are you on and what and how are trying to flash it
Sent from my Nexus 5
I'm on mk2. Rooted of course. Safe strap 3.71. And trying to flash through twrp
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ce250 said:
I'm on mk2. Rooted of course. Safe strap 3.71. And trying to flash through twrp
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Click to collapse
Are you using touch wiz based roms? those are the only ones that will work.
Sent from my Nexus 5
Yeah I've tried several different roms. And ones with mk2 modules baked in or flashed modules afterwards. Still no luck. I appreciate your help and really would like to resolve this
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@ce250 if i were u ....odin to stock mk2 first follow my thread and start all over again .....rooting and reinstall Safestrap v 371....always create rom slot1 first to see if the rom boot up......and then u can always make backup and restore to stock slot if u want it. Unless it noted for stock slot.... PM sent...:thumbup::thumbup:
Swyped From MK2 DVSS Hybrid
Tried that too lol
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ce250 said:
Yeah I've tried several different roms. And ones with mk2 modules baked in or flashed modules afterwards. Still no luck. I appreciate your help and really would like to resolve this
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Click to collapse
Which roms did you try to flash exactly? You said you flashed through TWRP, you mean safestap? TWRP outside of Safestrap will not work. You need to provide more details if you really want people to be able to help you. Our S4 is not like the phones we had before with unlocked boot loaders. This thing is a pain in the ass, but thanks the great knowledge & efforts of the developers here, we have so many options to flash custom roms
Yes this is much different than my other phones. I tried deadly venom 139, vision x, and hyperdrive. Yes I rebooted to recovery through safestrap
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ce250 said:
Yes this is much different than my other phones. I tried deadly venom 139, vision x, and hyperdrive. Yes I rebooted to recovery through safestrap
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Click to expand...
Click to collapse
.
Well I suggest the following. Start over. Use a different computer, use a different usb cable, & then download fresh drivers, Safestrap, rom. & mk2 modules. Who knows, but maybe the downloads you got are bad. Stick with the At&t versions as they tend to go easier. Also don't let experience guide you. Instead, follow the developers instructions. I've lost count how many times I've flashed my Skyrocket but I know how many times I've flashed my S4 cause damn boot loader has me on pins & needles every time. Well not so much since we have the mk2 tar files. Good luck & please post your results.
OK thanks ill give this a go. Might take me some time to get to a different computer and post results.
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