I'm currently running the stock rom 4.4.2 with the KT747 kernel. When I first flashed this kernel (I came from 4.4.4 aosp), wifi did not work and I had to flash the KT747 kernel to get it to work, supposedly I think because my modem version was too old? I'm not entirely sure, but it fixed the issue. Baseband and bootloader versions are -NJ1. PDA and CSC versions are -NE4.
I want to switch to another TW based 4.4.2 rom because I like the stability and reliability of the stock TW roms (everything actually works ) but I get some debloat from the custom roms. It says I need to have the 4.3 or 4.4 bootloaders and modems to install the rom. Will wiping my device wipe off my current bootloader and modem version, thus not allowing me to install the rom? I'm not sure if the KT747 kernel is just giving me those up to date versions through the kernel, and thus they will go away when the kernel is gone.
Can anyone who knows what they're doing help me out? I figure I may as well just update my bootloaders if they aren't already so I can just effortlessly go to Lollipop eventually.
Any help is appreciated! Just want some advice here so I don't screw up my device. See my signature
If you are wiping your ROM from recovery, the modem and bootloader will not be wiped.
If you want to run another TW-based ROM, just make sure that the ROM does not try to change the bootloader or modem.
audit13 said:
If you are wiping your ROM from recovery, the modem and bootloader will not be wiped.
If you want to run another TW-based ROM, just make sure that the ROM does not try to change the bootloader or modem.
Click to expand...
Click to collapse
Thank you; I appreciate the reply. So assuming the stock rom's wifi would not work due to an old modem version and that the KT kernel actually updated it, can I safely change kernels on my current rom? Will the NJ1 bootloader and modem change?
Or, was it perhaps not working because NJ1 is what I already had beforehand and the kernel just made NJ1 compatible with 4.4.2?
Just trying to get a feel of why the kernel fixed the wifi so I will know that it is or is not safe to flash other roms and (eventually) move to Lollipop, which requires the versions that my device is reporting it already has.
Thanks again.
The kernel is the kernel and a kernel change will and should not change the installed modem.
Sounds like the kernel prior to the kt747 kernel was not compatible with the modem.
Related
I figure instead of pulling my hair out for three days wading through various methods and likely brick, I'd swallow my pride and ask.
Here's where I'm at: I rooted and flashed Carbon rom way back when, everything was working alright, but with time, things are slowly starting to come apart. Yesterday, it's come to the point it can't be ignored. My nightly is ridiculously out of date, but I just haven't wanted to mess with it anymore. I'm about ready to get a new phone and I want everything back to fresh stock to give to a family member. I don't know where to start and what instructions are applicable or out of date. Model: I747, Android version: 4.4.2
I think I'm done experimenting with the rooting business, it's been a ride. If I could get some clear instructions on getting this phone back to stock, I'd be eternally grateful.
Help me xda community, you're my only hope.
What bootloader is on your phone? This is important to know before trying to get back to a stock ATT ROM.
audit13 said:
What bootloader is on your phone? This is important to know before trying to get back to a stock ATT ROM.
Click to expand...
Click to collapse
Hey there, thanks for replying! Bootloader says I747UCUEMJB.
Since you are on an mjb bootloader, that means you had the ATT stock 4.3 ROM on the phone.
Unfortunately, ATT never realased a stock 4.3 ROM or 4.4.2 ROM. These were only available via OTA.
There was a thread where a stock mjb ROM was compiled for flashing in Odin, but for some members, the flash resulted in a bricked phone.
I had a feeling that might be the case. What are my options here?
I would install a custom recovery and flash a custom rom. There are custom ROMs based on stock Samsung ROMs.
audit13 said:
I would install a custom recovery and flash a custom rom. There are custom ROMs based on stock Samsung ROMs.
Click to expand...
Click to collapse
This is the way to go. Since you most likely already have a custom recovery (assumed since you are running Carbon but verify first though), then it is just a matter of getting a new ROM. There are several custom TW ROMs based on 4.3 MJB. If you really want KK, you can flash the NE4 bootloader and modem along with a custom NE4 TW KK ROM. Please keep in mind that with both MJB and NE4 (KK) if you try to revert bootloaders, you will brick.
I am personally running S3RX 4.3 and have few to no issues other than what most people experience on stock anyway. Just have not had the time to move forward to KK as of yet.
Sent from my SAMSUNG-SGH-I747
Okay, so the bootloader is 4.3, but the Android version in settings says 4.4.2, how does that fit together? Just trying to understand what all this works.
Recovery is currently ClockworkMod. Since I'm planning on giving it to family, I'd like something that is as stable as possible, nothing fancy needed. What ROM would fulfill those needs?
aablee said:
Okay, so the bootloader is 4.3, but the Android version in settings says 4.4.2, how does that fit together? Just trying to understand what all this works.
Recovery is currently ClockworkMod. Since I'm planning on giving it to family, I'd like something that is as stable as possible, nothing fancy needed. What ROM would fulfill those needs?
Click to expand...
Click to collapse
Sounds like you are running a custom KK ROM in order to be using the 4.3 bootloader. A stock KK ATT ROM will not run on a 4.3 bootloader.
Before flashing to a custom KK ROM, make sure you are running the latest CWM. Carbon is a good ROM and should have reached a milestone build.
aablee said:
Okay, so the bootloader is 4.3, but the Android version in settings says 4.4.2, how does that fit together? Just trying to understand what all this works.
Recovery is currently ClockworkMod. Since I'm planning on giving it to family, I'd like something that is as stable as possible, nothing fancy needed. What ROM would fulfill those needs?
Click to expand...
Click to collapse
audit13 said:
Sounds like you are running a custom KK ROM in order to be using the 4.3 bootloader. A stock KK ATT ROM will not run on a 4.3 bootloader.
Before flashing to a custom KK ROM, make sure you are running the latest CWM. Carbon is a good ROM and should have reached a milestone build.
Click to expand...
Click to collapse
You are running the official 4.3 bootloader but an AOSP custom ROM. In the case of AOSP ROMs you can typically do this. As mention by audit13, if it was a custom ROM based off TW AT&T stock, you would only be able to run a modified TW 4.3 ROM.
I am trying to update my SGH-i747M to run CyanogeMod. I have done this before on my Galaxy S2, so I am somewhat familiar with what I am doing, but am now stuck with a bootloader issue.
My CM Rom, GApps, are allready on the phones SD Card. I have installed CWM Recovery. I have backed up, and wiped the phone.
I am following these instructions:
http://wiki.cyanogenmod.org/w/Install_CM_for_d2att
There is a massive warning:
"CM10.1 and newer are not compatible with ICS bootloaders on this device. Update your device's firmware or you will get assert failures in recovery."
This is where I am stuck. Before I started this process, I let the phone on stock rom perform its latest software update.
When trying to install CM-11 I get assert failures. I can see from the script that I747MVLUEMK5 is supported by CM11. I assume this is due to bootloader. My current version is I747MVLUFNE6. I downloaded I747MVLUEMK5 and tried to install. I get the error "You cannot flash from your current bootloader.Current Version: I747MVLUFNE6"
I researched this thread:
http://forum.xda-developers.com/showthread.php?t=2321310&page=25
I figured I would try to dowload the second most recent version I747MVLDMF1 as I can see from the CM11 failure script that it is also supported. I cannot find it anywhere available for download. No download links I have found work.
I am stuck and do not know how to proceed. I thought this was going to be easy, and I am at the stage where I literally just install CM11, but cannot proceed. Please help.
Do not attempt to flash i747 modems and bootloaders onto the i747m and vice versa as this could brick your phone.
I recommend flashing the latest stock i747 rom from sammobile, flash the latest Philz, and then cm11.
Is there any reason to upgrade bootloader to anything newer that mk5? I have an i747m (Bell) with mk5 bootloader and modem that I have been running CM11 on for a long time. I am now running CM12 (actually CyanideL), and everything seems fine. Should I upgrade either my modem or bootloader? If so, to what?
Some of the newer ROMs require an up-to-date bootloader and modem.
If everything is working, no need to update in my opinion. If you decide to update, the safest way would be to flash back to completely stock, take the OTA updates until you are running the latest stock ROM.
audit13 said:
Some of the newer ROMs require an up-to-date bootloader and modem.
If everything is working, no need to update in my opinion. If you decide to update, the safest way would be to flash back to completely stock, take the OTA updates until you are running the latest stock ROM.
Click to expand...
Click to collapse
How do I know if a ROM requires a higher bootloader and/or modem? Will it refuse to install/run?
Do more recent bootloaders fix bugs, improve effiencies or reduce battery drain, or any other tangible thing?
huladaddy said:
How do I know if a ROM requires a higher bootloader and/or modem? Will it refuse to install/run?
Do more recent bootloaders fix bugs, improve effiencies or reduce battery drain, or any other tangible thing?
Click to expand...
Click to collapse
i upgraded from mj2 to ne4 and did not not notice any difference.
usually the OP will state if needs a higher version bootloader/modem.
"all i can really do , is stay out of my own way and let the will of heaven be done"
Newer isn't always better for some.
If you want to know if a particular ROM will run on your bootloader, you can either try to load the ROM or you can look at the ROM's updater script to see which bootloaders are supported.
Background: I attempted to update from SlimKat 7.0 stable to 9.0 stable and discovered my apn's were missing and when I try to add them manually it fails to save. I have also found others with this same issue but none have an easy fix. I'm on UCDLK3 firmware, after restoring to previous state using nandroid backup apn's are present. If I try to flash any ROM (even other than Slim) my apn's are missing, even a dirty flash of 7.0 over 7.0. I know I can fix this by flashing stock UCDLK3 and root/twrp/flash slim 9 and everything will likely work fine. I plan to do just that but want to make sure I'm doing things as smart and clean as possible. There is a lot of info out there and I'm finding it hard to sift through old stuff and find the current state of things.
Question: Is there an actual advantage if I upgrade the firmware from UCDLK3 to UCUEMJB while still planning to use SlimKat 9 Stable with BMS kernel and TWRP recovery? Are there any disadvantages? Either way what is the shortest path to get back to stock (either LK3 or MJB) and flash SlimKat?
Thanks
Your APN may not be sticking because your modem and bootloader may be too outdated.
Some of the latest CM11 and AOSP ROMs require a KK bootloader and modem.
And then there are some roms that require at least a 4.3 bootloader and modem, either the MJ2 (leaked) or MJB (official) bootlaoder/modem combos. I have seen mention of these working in some OPs and in the body of other threads. In some of the later TW ROMs you may have to use a custom kernel like kt747 or iBuddler's. I don't know if any kernel other than the stock in SlimKat and AOSP ROMs would be needed with the MJ2/MJB firmware and modem.
I don't know of any advantages other than some of the ROMs require firmware newer than DLK3 to properly boot, receive data, or have a working wifi. As far as disadvantages, KNOX was introduced with the MJB firmware and stock ROMs, once going to MJB or newer firmware you can not make firmware downgrades without a very real risk of hardbricking your phone. Also you will need to insure your baseband and modem versions match. If they do not you risk hardbricking of another variety.
I had not yet realized that the newer AOSP and CM11 required you to go all of the way to NE4, thank Audit.
Just wanted to close the loop on this thread and say thanks for the assistance!
I now have my phone working properly on SlimKat 9; it really was just the firmware not being compatible with newer ROMs as many have suggested. Here is the sequence I followed to do it but really it probably only needed a twrp flash of the mjb firmware and the ROM install:
1. Used odin to restore to stock LK3 (only because I had messed with things so much and wanted a clean slate)
2. Used odin to install TWRP 2.7.1.0 recovery
3. Rooted with SuperSU 2.40 using TWRP
4. Flashed combined MJB modem & bootloader using TWRP
5. Flashed SlimKat 9 using TWRP
6. Flashed Slim GApps using TWRP
7. Rooted with SuperSU 2.40 using TWRP (Lost root after flashing ROM)
thanks for posting fix. am sure it will help others. audit13 and dawgdoc , thank you for continued help with the awesome Slll. :good:
"all i can really do , is stay out of my own way and let the will of heaven be done"
jeff.leonard said:
Just wanted to close the loop on this thread and say thanks for the assistance!
I now have my phone working properly on SlimKat 9; it really was just the firmware not being compatible with newer ROMs as many have suggested. Here is the sequence I followed to do it but really it probably only needed a twrp flash of the mjb firmware and the ROM install:
1. Used odin to restore to stock LK3 (only because I had messed with things so much and wanted a clean slate)
2. Used odin to install TWRP 2.7.1.0 recovery
3. Rooted with SuperSU 2.40 using TWRP
4. Flashed combined MJB modem & bootloader using TWRP
5. Flashed SlimKat 9 using TWRP
6. Flashed Slim GApps using TWRP
7. Rooted with SuperSU 2.40 using TWRP (Lost root after flashing ROM)
Click to expand...
Click to collapse
When you restored to LK3, what Firmware version were you coming from? I'm looking to go to LK3 from the NJ1. However there seems to be cautionary red flags all over the place due to bootloader changes that were made in 4.3.
The OP was already on LK3 with a custom ROM.
Since you are on NJ1, you cannot downgrade the bootloader.
Hello all,
About a year ago I flashed v28 (4.4.2) of Omega ROM. I don't believe I flashed an sgh-m919 specific version, though I don't quite remember, and through a few searches I couldn't find the same older thread for the ROM. I also don't remember if I flashed anything else, bootloader, modem, kernel etc. I feel like I might have flashed a modem at the time. Possibly a kernel but I don't think I changed anything about my kernel.
My phone is getting slow and unstable and I'd like to update to v41 (latest, 5.0.1) of Omega ROM. The thread is over in the international i9505 development forum. I barely remember how any of this works anymore beyond simply putting the ROM on my sdcard, wiping everything, and flashing through recovery, and so the mention needing to flash XXUHOB8 bootloader and modem in the Omega ROM installation post made me question whether I could simply wipe and update, since the bootloader and modem are for international i9505 and I have the t-mobile phone.
Also, Im going to flash the latest version of TWRP. Initially I would think I would flash jfltetmo, as per the tmobile s4 TWRP on the TWRP website. But if I'm using an i9505 rom, do I need to flash the international version of TWRP (jfltexx)?
Basically, my question is, should I expect any problems if I just flash the i9505 bootloader and modem to my sgh-m919 and then flash the new Omega ROM? Do I need to do something with the bootloader and modem specific to the sgh-m919?
You don't need anything i9505. Just update to 4.4.4 NK2 firmware with odin and flash the latest twrp, followed by the rom
Hey all. I am fairly inexperienced when it comes to rooting, though I have done a few succesfully in the past. I currently have the newest version of TWRP installed on my Samsung I747M. The I747M I have is not from one of the major carriers, but as far as I am aware, the phone is factory network unlocked. Carrier is GCI, in Alaska.
I currently have a 4.4.2 Touchwiz Rom installed and started having problems after I attempted to flash the ROM Dandroid, which is 4.3 (http://forum.xda-developers.com/showthread.php?t=2121506). I had created a backup using TWRP before flashing the ROM and reverted back once I noticed the problem.
The main issue I am experiencing at this time is the Baseband Version, IMEI, and other information related to the modem is showing "Unknown" and features such as wifi will not toggle on.
I had also attempted to flash the most current version of the modem that I was able to find thru Odin. Odin showed the flash as successful. The version I flashed to the phone was I747MUMUEND3: modem_CWM_I747MUMUEND3.zip - 18.80 MB - April 3rd, 2014 (http://forum.xda-developers.com/showthread.php?t=1831898)
At this point, I can still get into recovery, download modem and I am able to boot up the phone and access most all functions. The next step I was going to try was going to be to flash back to stock firmware from sammobile's website (Was using to use the Roger's version of 4.4.2), though I don't want to cause more issues than I can handle or resolve thru software.
Any advice on how to proceed would be greatly appreciated or even just how to get the modem/wifi features functional again would be helpful. I'm just as happy staying on my current ROM at this point if I can get the phone fully functional again.
It's possible that the rom is not compatible with the kk modem and bootloader.
Flash cm12.1 to see if your imei comes back.
audit13 said:
It's possible that the rom is not compatible with the kk modem and bootloader.
Flash cm12.1 to see if your imei comes back.
Click to expand...
Click to collapse
Forgot to mention, this is something I did try. I attempted to flash Cyanogen Mod 12.1 (Download: cm-12.1-20151017-NIGHTLY-d2att.zip (286.76 MB) ) and most recent nightly build & the most recent stable release (CM11) (Download: cm-11-20140210-SNAPSHOT-M3-d2att.zip (194.37 MB) ). When flashing these, I transferred the downloaded ZIP file to the internal storage of the phone in the root directory and attempted to run an install from TWRP. Both installs failed.
Since the phone is an i747m, I recommend flashing back to stock using Odin 3.07 and stock ROM file from here: http://www.sammobile.com/firmwares/database/SGH-I747M/
The i747m versions are interchangeable between Rogers, Telus, and Bell.
After flashing back to stock, install TWRP using Odin 3007 from here: https://dl.twrp.me/d2att/twrp-2.8.7.0-d2att.img.tar
Create a nandroid backup using TWRP and then try to flash a custom ROM again.
audit13 said:
Since the phone is an i747m, I recommend flashing back to stock using Odin 3.07 and stock ROM file from here: URL REMOVED FROM QUOTE DUE TO NEW USER LIMITATIONS
The i747m versions are interchangeable between Rogers, Telus, and Bell.
After flashing back to stock, install TWRP using Odin 3007 from here: URL REMOVED FROM QUOTE DUE TO NEW USER LIMITATIONS
Create a nandroid backup using TWRP and then try to flash a custom ROM again.
Click to expand...
Click to collapse
I'll give that a shot when I get home. Stock firmware was one of my next thoughts. I have it downloading at the measly 15 Kbps offered for free from sammobile so hopefully should be done by the time I get home & update this thread with any progress.
Another possibility is a custom kernel, if you are wishing to stay with TouchWiz and not wanting to upgrade your bootloader and modem past 4.3.
Some of the 4.4.2 TW roms will run on 4.3 bootloader and modems using one of ibuddler's kernels or ktoonsez's TW kernel. This was discussed most in the Likewise ROM thread and links to the various versions of ibuddler's kernel may be found there. It may have also been discussed in TMS3KK thread. The ktoonsez kernel can be found in its own thread.
But, you may really want to consider a newer ROM in order to change to something with the stagefright fixes. I think any of these may require the latest 4.4.2 bootloader and modem. (What say you @audit13?)
dawgdoc said:
Another possibility is a custom kernel, if you are wishing to stay with TouchWiz and not wanting to upgrade your bootloader and modem past 4.3.
Some of the 4.4.2 TW roms will run on 4.3 bootloader and modems using one of ibuddler's kernels or ktoonsez's TW kernel. This was discussed most in the "http://forum.xda-developers.com/showthread.php?t=2725192"Likewise ROM thread and links to the various versions of ibuddler's kernel may be found there. It may have also been discussed in http://forum.xda-developers.com/showthread.php?t=2725750" TMS3KK thread. The http://forum.xda-developers.com/showthread.php?t=1756776" ktoonsez kernel can be found in its own thread.
But, you may really want to consider a newer ROM in order to change to something with the stagefright fixes. I think any of these may require the latest 4.4.2 bootloader and modem. (What say you @audit13?)
Click to expand...
Click to collapse
I'm not opposed to any of this. Mostly just trying to slim down this phone to the basics as much as I can and am quite open to any recommendations. Main thing I want to maximize is battery life & simplicity since this is for my wife and those are her major wants in a phone. I figure any kind of ROM that just covers the basics should cover my bases & would prefer one with a darker/black skin to maximize battery life w/ the OLED screen. I am in the process of flashing to the Roger's stock ROM as I type this w/ my fingers crossed.
Just to add, no over clocking or anything of that nature is desired. If I remember correctly I ended up putting the ktoonsez kernel on one of my handsets, either this Galaxy S3 or my Galaxy S5, though I can't recall which since it was so long ago.
Alright! So progress! Wifi, Baseband version, IMEI and all other missing information restored & now works w/ stock rom flash. In process of reflashing TWRP now.
Let us know what happens.
Still all good with TWRP installed. Have not flashed back on a custom ROM yet. After reviewing some of the above recommendations, I am kind of liking the looks & features of TMS3KK (http://forum.xda-developers.com/showthread.php?t=2725750) and feel it would suit my needs.
I factory reset, cleared cache, and cleared Dalvik thru TWRP & then made a back up. Prior to this, I confirmed everything was still working normally w/ phone fully loaded after TWRP was installed.
One of the things mentioned on the installation instructions for that ROM is the following:
---
Do not mix and match 4.3 firmware (bootloaders/modem) with the new 4.4.2 ones. You will hard brick and I warned you. This works the same as any 4.3 or ND8port ROM with 4.3 firmware and it can use the new 4.4.2 ones also.
Link to recovery flashable i747 and i747M 4.4.2 bootloader and modem packages: http://forum.xda-developers.com/gala...hable-t2856914
---
How would I go about confirming my current bootloader/modem versions to make sure they are both 4.4.2 before flashing this ROM? At the link provided, those files/links to the files were removed because they were causing some bricked devices per a note at the top of that thread. Here's a link to the thread I am referencing since the above link looks to be broken. (http://forum.xda-developers.com/gal...mware-ne4-ne6-nf2-recovery-flashable-t2856914)
If you flashed the latest stock rom, you are running the latest 4.4.2 bootoader and modem.
You can download and run the Samsung phone info app from the play store to confirm this.
You should be good to flash any d2lte or d2att rom.
I recommend not flashing any modem or bootoader from this point forward unless the bootoader and modem are newer than the currently installed botloader and modem. Also, the botloader and modem must be matched to each other.
audit13 said:
If you flashed the latest stock rom, you are running the latest 4.4.2 bootoader and modem.
You can download and run the Samsung phone info app from the play store to confirm this.
You should be good to flash any d2lte or d2att rom.
I recommend not flashing any modem or bootoader from this point forward unless the bootoader and modem are newer than the currently installed botloader and modem. Also, the botloader and modem must be matched to each other.
Click to expand...
Click to collapse
Thank you so much for the help and information. I guess I never realized that the bootloader & modem were installed w/ the stock rom as I always have flashed those separately through Odin when needed. Definitely good information to have and not easy information to find. I have successfully got my custom ROM on there and am now fine-tuning it for the wife.
fodor362 said:
Thank you so much for the help and information. I guess I never realized that the bootloader & modem were installed w/ the stock rom as I always have flashed those separately through Odin when needed. Definitely good information to have and not easy information to find. I have successfully got my custom ROM on there and am now fine-tuning it for the wife.
Click to expand...
Click to collapse
Glad to hear the phone is running well.
I've heard it said "Happy wife, Happy life."