yashsingh1/xdaforums huggingface dataset:
[Upgrading, Modifying and Unlocking] cowboyenvy:
Should have been the AMF1 image, but I can't seem to find my original, I did I bit of house cleaning....

I had used http://builder.clockworkmod.com/ with my initial build on 18th January 2014, subsequent builds on the builder however resulted in crashes so I went to a local copy and cm 10.1 for build environment.

Kinda teaching myself as I went.
[Upgrading, Modifying and Unlocking] cowboyenvy:
more than one way to skin a cat, I had included the stock recovery image with my initial post...

Odin + Stock + CWM-Touch, failed touch build
[Upgrading, Modifying and Unlocking] cowboyenvy:
the kernel from the zip I uploaded is the one used in my working recovery, it's JB, the original was ICS. your recovery works and does have ADB however, no gestures, IE same functionality of mine...

I still think something in the source changed when I first uploaded my device specific files to the builder I got a samsung_amazing3gcri build, and working touch, however, I didn't have full sdcard access, it wouldn't list all the files or even update.zip however it would use update.zip placed on the sdcard root.

Further attempts after a few days have rendered compiles for unknown_unknown of the automatic builder.

Something untested from the builder Touch enabled build is adb access..... (my windows can't adb the device in recovery mode but can odin) which is kinda odd but, meh.

CowboyEnvy
[Upgrading, Modifying and Unlocking] shabbypenguin:
ok well here is a build with your zimage from jb in hopes it fixes touch, and i changed teh font so it should be better fitting.

https://mega.co.nz/#!0UBUQCyC!23T8F5lzGt0fPmW7SsrwjcTGvkhzDtB66vdZl2R4ws0
[Upgrading, Modifying and Unlocking] cowboyenvy:
Will test as soon as I get back to my computer
[Upgrading, Modifying and Unlocking] cowboyenvy:
Back to black screen =(
[Upgrading, Modifying and Unlocking] shabbypenguin:
i dont get it, the only things i changed were the font and the zimage, i went from building kernels inline to using the zimage you provided :(
[Upgrading, Modifying and Unlocking] nudelovin22:
yup, black screen flikering light
[Upgrading, Modifying and Unlocking] cowboyenvy:
I honestly think it has something to do with latest changed to CM main branch source code changes...

I would attempt to compile touch on local machine but I think the source is closed, or something, at least I haven't found any guides or howto...

CowboyEnvy
[Upgrading, Modifying and Unlocking] shabbypenguin:
yea cwm touch is closed source, but there is other versions of touch code that are out and open source and thats what ive been using. back to source built kernel i suppose :/ but with the source built everything but touch and and usb.
[Upgrading, Modifying and Unlocking] cowboyenvy:
any luck with your phones crmcsh01?
[Upgrading, Modifying and Unlocking] cowboyenvy:
Yeah, and at least that is compiling off latest cm 11, vs mine off 10.1
[Upgrading, Modifying and Unlocking] bigbosskaydee:
i been following you guys thread i was having issues getting the 4.1.2 update now that i got the update i have no data unless im on wifi. any idea as to how to fix this ????
[Upgrading, Modifying and Unlocking] cowboyenvy:
What's your base band version?
[Upgrading, Modifying and Unlocking] bigbosskaydee:
r740cvvmi1

---------- Post added at 01:55 PM ---------- Previous post was at 01:17 PM ----------

Everything else works fine
[Upgrading, Modifying and Unlocking] cowboyenvy:
I am assuming you used odin to update to 4.1.2 instead of OTA update?

Ok, now, assuming you already have a void warranty:

1) download modem.7z

2) extract modem.bin

3) place on sdcard

4) run cmd:

5) adb shell

6) su

7) dd if=/mnt/extSdCard/modem.bin of=/dev/block/mmcblk0p3 bs=4096

8) cross your fingers and pray, wait 2 mins after it finishes writing and execute reboot

this is untested and may/may not work for this device, but hopefully it will update your modem to bna5 and fix your modem issues.

CowboyEnvy
[Upgrading, Modifying and Unlocking] DerpyTails:
Any luck on rooting the SCH-R740C involving the new 4.1.2 update, I can't do it by normal means (Unlockroot/Superoneclick)
[Upgrading, Modifying and Unlocking] cowboyenvy:
Hey, dunno if you would be willing to try something for me or not, but on your CWM build from 11.0 with compiled kernel can you try -->> http://xdaforums.com/showthread.php?p=39433612#post39433612

would be nice to have some of it's advanced features, and it could be possible to get an official touch that way.

CowboyEnvy
[Upgrading, Modifying and Unlocking] bigbosskaydee:
tried ota and it wouldnt connect kept saying go to samsung service center then i found your thread loaded a bunch of stuff and rebooted my phone then all of a sudden there was 4.1.2 lol so i turned my wifi off and noticed i had no data but everything else worked so do i cmd from the computer and do i need to have su already on my phone root checker says my 4.1.2 is rooted is that suppose to be??
[Upgrading, Modifying and Unlocking] shabbypenguin:
his touch code is closed source, above and beyond that philz has a bit a reputation amongst the people who do twrp and cwm... did you ever get your github stuff figured out? if not i can push teh tree i have up and you should be able to use it with cm11 then with the kernel source from samsung.
[Upgrading, Modifying and Unlocking] bigbosskaydee:
and where do i put this "dd if=/mnt/extSdCard/modem.bin of=/dev/block/mmcblk0p3 bs=4096" cant i just change the .bin to .apk?? as u can see im a total nube when it comes to android not give me a iphone and i will make it do what it do
[Upgrading, Modifying and Unlocking] cowboyenvy:
If all else fails, it should be possible to odin the CWM recovery and do SU via a root update.zip (SuperSU has this option I think)

keep in mind that you cannot let the phone boot normally after Odin flashing CWM and 4.1.2 has a recovery from boot.p file

Also I believe OTA root keeper will allow you to keep root thru a FOTA 4.1.2 update.

CowboyEnvy
[Upgrading, Modifying and Unlocking] cowboyenvy:
you would put the modem.bin file specifically on the root of your ext SdCard, no it's not an APK file it is a raw partition image, basically it's a mini-operating system specifically for dealing with the cdma modem, it's why you can talk make calls, download etc all at the same time..

I don't think I phone can do that yet.... but anywho.. basically what you would be doing (on a rooted phone) is re-flashing the modem partition to what should give you a bna5 modem system, which should talk correctly to the 4.1.2 kernel..

This procedure is untested and you will be the Guinea Pig, test subject for reflashing modem drivers from inside the OS, it may/may not work, and if it doesn't it could result in brick..

IE high risk..

We currently don't have a flash image for the i1 firmware, and may never have one, or a known good way to re-write the modem stuff for the specific device..

IE very risky, so use at your own risk.
[Upgrading, Modifying and Unlocking] bigbosskaydee:
lmao i understand that risky part and all but u didnt answer all my questions imma need to be talked thru this since im the guinea pig...so i put the bin on the root of my sd card and i opened cmd on my pc and i typed in adb shell and it told me its not recognized as an internal or external command
[Upgrading, Modifying and Unlocking] brudderwoodrow:
Thanks

I have to start by saying thanks for the hard work. My phone was stuck on the green Cricket screen and I was able to flash it using the stock rom provided and it was almost fully functional.

However, I could not get mobile data to function at all. I checked all settings (airplane mode off, mobile data enabled, etc.) and also called Cricket to make sure the problem wasn't on their end.

I went back into one of the recoveries that was posted and apparently made a big mistake. I deleted all of the partitions that were listed (can't remember all of them but /modem was among them).

Now it appears that I am "soft bricked". If I try to go to download mode, a black screen appears momnentarily and then it powers off. If I try to go into recovery, the Samsung logo appears momentarily buit then it powers off. Sometimes it will stay powered on but with a blank screen.

Are their any known methods to get back into recovery or download mode from such a condition? I have some technical experience, and have both Linux and Windows available. I've read that some models have some type of JTAG fix, but don't know about this model.

Thanks again for finally posting a ROM for this phone. Any advice is truly appreciated.
[Upgrading, Modifying and Unlocking] bigbosskaydee:
thanks cowboyenvy you are the man....

so now i have working data and out going calls but no incoming calls...... what do we do now lol
[Upgrading, Modifying and Unlocking] cowboyenvy:
git://github.com/CowboyEnvy/android_device_samsung_amazing3gcri

git://github.com/CowboyEnvy/Android_Kernel_samsung_amazing3gcri
[Upgrading, Modifying and Unlocking] shabbypenguin:
kernel source seems like ya got it fine enough, but the device tree is messed up,
[Upgrading, Modifying and Unlocking] bigbosskaydee:
I take that back must have had a bad signal cause everything is working perfect good job sir u rock
[Upgrading, Modifying and Unlocking] cowboyenvy:
please call *228 and reprogram the phone.
[Upgrading, Modifying and Unlocking] cowboyenvy:
try to pull it again.
[Upgrading, Modifying and Unlocking] bigbosskaydee:
once again thanks for the time youve taken to help me out it was well worth it *228 says im programmed so everything is all good
[Upgrading, Modifying and Unlocking] cowboyenvy:
I'm pretty sure there is a way to hook up jtag to this phone however, we don't have it yet..

we don't have boot loader code, or much else at this point, everything is highly experimental...

it is possible that fastboot might work for this phone This is my first Samsung phone, I've used fastboot on others, but this could potentially be a way to recover the phone other than jtag. (highly doubt it works but hey)...
[Upgrading, Modifying and Unlocking] cowboyenvy:
Ohh just to verify check your baseband version again for me, make sure it did update...
[Upgrading, Modifying and Unlocking] bigbosskaydee:
r740cvvna5
[Upgrading, Modifying and Unlocking] cowboyenvy:
no fastboot on this device,, vol+ vol- and power should fastboot, it does not, therefore no fast boot, and no recovery short of jtag....
[Upgrading, Modifying and Unlocking] cowboyenvy:
Awesome what I wanted to know, thanks for being our guinea pig.
[Upgrading, Modifying and Unlocking] bigbosskaydee:
any time we are all here on common grounds.....great customs and awesome upgrades use me any time lol
[Upgrading, Modifying and Unlocking] cowboyenvy:
lol, haven't actually released a custom ROM yet, was still trying to get the basics secured for recovery in event of bricks..

the CWM recovery is the closest thing we have to something custom ATM.
[Upgrading, Modifying and Unlocking] shabbypenguin:
samsung devices use download mode as their form of fastboot, its the same basic concept. low level partition flashing. so long as you can get into download mode you can flash the stock files (assuming there is any).
[Upgrading, Modifying and Unlocking] cowboyenvy:
kinda what I figured initially, however I had read this page or similar at one point:

http://www.droidviews.com/how-to-boot-android-devices-in-fastboot-download-bootloader-or-recovery-mode/

unfortunately the op wiped the partitions of his Samsung via recovery/Odin and get's some form of black screen
[Upgrading, Modifying and Unlocking] shabbypenguin:
yea the nexus devices are the only exceptions as far as i know.

if someone makes a full odin tar they should be able to restore their device

edit: just read their issue with download mode, can we get a partitions listing going? if we find the bootloader i can tell you if this device supports emmc unbricking. if it doesnt well then the best i can do is offer 5% off at mobiletechvideos.com. he doesnt have teh files etc but if i get them dumped from someone who is booting then he can use them to provide jtag services.
[Upgrading, Modifying and Unlocking] cowboyenvy:
I am assuming with jtag and a full odin tar correct?
[Upgrading, Modifying and Unlocking] shabbypenguin:
lol sorry, i reread and realized what all was actually going on.

1,2 4-7 amongst those files is probably going to be the pit file which will tell us the location and naming of all the partitions
[Upgrading, Modifying and Unlocking] cowboyenvy:
Just left my computer will be at work most of the day but I will see what I can do
[Upgrading, Modifying and Unlocking] cowboyenvy:
Did a dd of my partitions and uploaded to Google drive in the folder I shared earlier, can't figure out how to copy it's share address on Android,
[Upgrading, Modifying and Unlocking] cowboyenvy:
https://docs.google.com/file/d/0B5hNzrZpAJmUam92M1A4cXNfS2s/edit?usp=docslist_api
[Upgrading, Modifying and Unlocking] DerpyTails:
Here's the thing though, mine's is at 4.1.2 already, I'm wondering if they're is a root option for people who already have it on said phone
[Upgrading, Modifying and Unlocking] cowboyenvy:
At this time I am not aware of any rooting methods that will work on stock 4.1.2 without the use of odin or custom recovery
[Upgrading, Modifying and Unlocking] DerpyTails:
That's fine, I'll patiently wait for a solution for this dilemma :)
[Upgrading, Modifying and Unlocking] cowboyenvy:
It is currently still possible to obtain root for the phone, it just requires an odin flash..

and instead of waiting it might be helpful if you download various rooters to test installing root on your device.
[Upgrading, Modifying and Unlocking] DerpyTails:
Got any suggestions for root apps? I've tried Unlockroot and Superoneclick as well as Bin4ry
[Upgrading, Modifying and Unlocking] shabbypenguin:
there we go :)

edit:

androidboot.emmc=true BOOM! that means you should be able to boot off sdcard, assuming you have teh right sdcard and the right images :)
[Upgrading, Modifying and Unlocking] cowboyenvy:
http://www.filedropper.com/sch-r740c-sdcard-debrick-boot

The above file should be what is needed to debrick the phone in theory... well that, and the correct Odin tar.md5 (will have to work on that later, too damn tired)
[Upgrading, Modifying and Unlocking] DerpyTails:
What about CF-Root?

If Chainfire can make a custom CF-Root for the Discover, that might do it :)
[Upgrading, Modifying and Unlocking] brudderwoodrow:
Soft Bricked - More Info

Hello Again

I'm the person who posted the info (above) about my phone. Thanks for the replies. I'm a little confused about something though. Some replies indicate that a JTAG will be the only solution (although the method is not yet known), and some other posts refer to a possibility of booting from the SD card (although this requires some files that are not yet available). Is there anyone who can clarify this a little bit?

Also, although my phone is in the same condition as before (no recovery or download mode, only a black screen or "Samsung" screen, and ODIN can't connect), Windows does seem to recognize that something is connected, and in the device manager it is listed as "SAMSUNG Mobile Modem Diagnostic Serial Port (WDM) (COM8). Does that offer any hope?

Thanks Again
[Upgrading, Modifying and Unlocking] DerpyTails:
Problem: Tried to install the CWM Recovery into my Phone with the 4.1.2 and for whenever I tried to boot into Recovery, it gives me a Samsung logo with a Yellow Caution Sign and then boots the phone like normal and I can't use TriangleAway due to me not being rooted, so until then, no go on CWM on my end
[Upgrading, Modifying and Unlocking] cowboyenvy:
OK, so we are still learning about this device when I posted only jtag that was my understanding however after a review of my uploaded files it was discovered that the phone should support sd card booting. I have provided at least part of the files you would need to debrick
[Upgrading, Modifying and Unlocking] cowboyenvy:
To flash and boot cwm with 4.1.2 follow the instructions in the first post to flash cwm to the recovery partition, making sure auto reboot is off. When odin says reset OK press and hold volume up and the power button until the phone shuts off. Continue holding the vol+ release the p power button. Continue holding vol+ and press and hold power until the Samsung screen comes online, release power while still holding vol+ until cwm loads... Make sure to disable the flash recovery option when rebooting cwm. Cwm is now installed and persistent.
[Upgrading, Modifying and Unlocking] brudderwoodrow:
Sounds Good

Thank you, that is encouraging news! From what I've read it looks like I need to partition the SD card correctly, and then have a few files placed in the correct directories to boot. I noticed that you posted one (sch-r740c-SdCard-debrick-boot). Should I rename that to boot.img (after unzipping) and place it into one of the directories on the SD card?

are there any other files necessary for this initial step to boot out of brick status. I'm willing to test anything that might help anyone out.
[Upgrading, Modifying and Unlocking] DerpyTails:
OK, That did it, thanks a lot :D

EDIT: This also fixed my Root Issue too, I did the "Fix Root" option, then installed SuperSU, updated the SU binary via CWM and boom, Root is Back! :D
[Upgrading, Modifying and Unlocking] cowboyenvy:
From everything I have read you will need a class 10 4gb sd card. You will take the debrick I'm provided and dd to the SD card, you will then insert the cats into the phone and power on booting into download mode. I hold vol - and power until the phone boots into download mode.
[Upgrading, Modifying and Unlocking] cowboyenvy:
Glad to hear it.. Hopefully I'll be able to get some kind of custom rom up this weekend, will work more on compiling ccyanogenmod and work from the base stock for a bare bone variant.
[Upgrading, Modifying and Unlocking] cowboyenvy:
hey just wondering if you have a branch adress yet?
[Upgrading, Modifying and Unlocking] DerpyTails:
Yep, it also allowed me to run TriangleAway to get rid of the stupid yellow caution sign for when the phone reboots :)
[Upgrading, Modifying and Unlocking] shabbypenguin:
oh whoops sorry, https://github.com/OUDhs/android_device_samsung_amazing3gcri you dont have a cm-11.0 branch on your repo so i cant send a pull request. if you have any questions about teh changes i made lemme know :)
[Upgrading, Modifying and Unlocking] DerpyTails:
Weirdly enough, I'm not going to mess with CM on my Discover, CWM is the farthest I'll go :p
[Upgrading, Modifying and Unlocking] cowboyenvy:
amazing3gcri_signed_stock_4_1_2.zip update available

Hello,

Not sure exactly how useful to anyone else it will be, but I have created a 'default stock update.zip' to the 4.1.2 Android

This flashes system, boot, and modem, as well as adding a few 'custom apps' to data/app

amazing3gcri_stock_4_1_2.zip

CowboyEnvy
[Upgrading, Modifying and Unlocking] cowboyenvy:
SCH-R740C 4.1.2 Naked ROM preview

Hey guys,

I don't have everything sorted out as of yet, and still have quite a few features I want to add to it, but my weekend is almost over *sigh*

So, I have a stripped down, no frills, Naked ROM preview.

It is usable, and stable, just not 'feature complete'

Changes from stock:

su loaded (download your SU app of choice)

browsers removed (download your favorite)

All unnecessary Google Apps removed

Google Play updated to current release

GoogleTTS (as yet unable to update system/app, may choose alternative TTS)

Camera updated to Android 4.2 GoogleGallery

Cricket Bloatware removed

ADW.Launcher to replace Launcher2

(unable to get ADW.Launcher to default to dark style you'll have to do it yourself, may look for alternative)

removed all but 1 ringtone/notification

removed sample videos

deodexed/zipaligned APKs

deodexed framework

added ADB root support in boot image

added user apps

Systemcleanup by Inteks

quickboot by Siriusaplications

..

Dress her how you like her, and send feedback (hopefully next week I can finish the ROM)

amazing3gcri_unsigned_020214_231354.zip
[Upgrading, Modifying and Unlocking] poopypoopersun:
I know the solution mine was reparationed bcause i forgot to uncheck the box in odin
[Upgrading, Modifying and Unlocking] factualpuddle:
sweet deal, nice little base rom to fool around with for the time being (^_^*)b
[Upgrading, Modifying and Unlocking] shabbypenguin:
nicely done cowboyenvy :)

and yea poopy, your phones borked until there is an absolutely complete odin stock tar.
[Upgrading, Modifying and Unlocking] cowboyenvy:
Now my understanding of some of this phone stuff is limited in some regards, but I believe I'm correct in saying that the one of the partitions has the iemi and other 'hardware' codes?
[Upgrading, Modifying and Unlocking] shabbypenguin:
well the efs partition does, but being a cdma device it shouldnt affect it the same way a gsm one would, doing a ##rtn# reset should wipe and repopulate the efs.
[Upgrading, Modifying and Unlocking] cowboyenvy:
Well specifically my concern is that if I create a stock Odin recovery from my device including all partitions I'll give someone the ability to clone my phone and receive my phone calls etc.
[Upgrading, Modifying and Unlocking] bigbosskaydee:
that makes a lot of sense
[Upgrading, Modifying and Unlocking] shabbypenguin:
well if you get the core ones dumped he can flash them and hopefully get his phone booting, from there he should be able to reprogram his device himself, however what you mentioned is not possible. if someone has a copy of the gsm efs they would be able to scan through it and find your imei, but writing the efs to their phone wouldnt result in a cloned device.
[Upgrading, Modifying and Unlocking] cowboyenvy:
Will see what I can get done tonight towards getting all the binaries to flash via odin

CowboyEnvy
[Upgrading, Modifying and Unlocking] cowboyenvy:
there are additional files required, what we need to have you do is verify you can boot from an SD card, make sure that image is correct (not sure if I should be able to tell the difference)

Cowboyenvy
[Upgrading, Modifying and Unlocking] cowboyenvy:
I have already uploaded what should be a SD card booter to download mode.. unable to test it as I don't have a class 10 sd card.

IE did a dd of the first 70.6 mb or data, so he should be able to dd that to a 4g class 10 sd card and at least get into download mode, reflashing the phone may be a bit more problematic... I had previously been unable to write to modem, perhaps I need to rename the 'modem.img' file to MODEM_ST1 in the tar..

linked is the 'other' block devices neglecting boot modem system data cache IMG_BACKUP MODEM_BKP, between this and the 4.1.2 Odin tar we should be able to have everything.. Unfortunatly I won't have time to play in depth with it until the weekend.

https://mega.co.nz/#!4FVDDJ5D!FwjaujuVNvJVfDx2VlN4fRvfy69otZHTLncl2FnE4Jc
[Upgrading, Modifying and Unlocking] brudderwoodrow:
dd syntax

I'm having some trouble (I think) with the syntax of the dd command. I guess I don't know enough about what the debrick file is trying to accomplish. Is it creating a partition table on the card or something else.

I have the card, I'm just not sure how to use the dd command for this case.

Thanks
[Upgrading, Modifying and Unlocking] brudderwoodrow:
would entirY

I thought I'd post this since the programs "unlockroot" and/or "unlockrootpro" were posted on another forum to root this phone several months ago. You first had to flash something (which gave you a nice yellow triangle without warning) and then the executable would root the phone. It worked (at first anyway) but it also dumped a bunch of malware on the PC:

Files Detected: 1

C:\Users\STUDIO\Desktop\UnlockRoot_downloader_by_UnlockRoot.exe (PUP.Optional.Somoto) -> Quarantined and deleted successfully.

That is a c/p from the malwarebytes scan (Zone Labs didn't detect them).

When I ran a complete scan, it found several "pup" infected files and a couple of registry entries related to them.

If you're trying to root your phone, stay away from "unlockroot". I don't know for certain but my phone got stuck in a boot loop shortly after I rooted it.