yashsingh1/xdaforums huggingface dataset:
[Upgrading, Modifying and Unlocking] cowboyenvy:
Honestly what I would do I is triangle away and then use Samsung utility to go back to a full stock, unless you want to unroot but keep the custom recovery

Sent from my naked 4.1.2 sch-r740c
[Upgrading, Modifying and Unlocking] novacheck:
Thank you cowboyenvy, exactly the info I needed. I just didn't want to have a shiny paper weight. I wasn't sure that the Samsung utility would work for me.
[Upgrading, Modifying and Unlocking] Unjustified Dev:
[MENTION=4267913]cowboyenvy[/MENTION] what's the chances of fixing this? My friend too experienced and a data wipe did not help would be a fairly nice dev phone for the summer

http://www.ebay.com/itm/SAMSUNG-GAL...1182217107?pt=Cell_Phones&hash=item461fdbeb93
[Upgrading, Modifying and Unlocking] cowboyenvy:
I would say the chances are fairly good a flash with the Samsung recovery tool or a custom recovery and ROM from Odin would probably resolve the issue. However there are no guarantees it could be more than just a corrupt flash.

Sent from my naked 4.1.2 sch-r740c
[Upgrading, Modifying and Unlocking] nexusbandit:
My phone is still bone stock..how can i make a back of it before trying to root..its stock 4.1.2. How can i root with 4.1.2 keeping my stock rom..i just want to keep it stock with root..
[Upgrading, Modifying and Unlocking] cowboyenvy:
We have found a stock image for Odin in Samsung recovery tool, I personally have had no luck with any root exploits on 4.1.2. However if you replace recovery you can flash a root update. Zip on the device.

Sent from my naked 4.1.2 sch-r740c
[Upgrading, Modifying and Unlocking] prz0007:
stock rom SCH R740C

I have a stock cricket SCH R740C stock and I willing to help you out if you help me in a few things I need to do this phone I want to activated with unefon mex and not just activate it I need to program it too with cdma workshop to have service walk me through the steps on making a copy of my stock rom and help me out with my request and we have a deal
[Upgrading, Modifying and Unlocking] HampTheToker:
My cousin just picked this up for his 10th birthday, and I was hoping to find a good ROM to install for him. I'm not asking for an ETA or anything like that, but I wanted to know if anyone is attempting to bring some CM goodness to this very needy device?
[Upgrading, Modifying and Unlocking] navi benjavi:
9. browse to the appropriate sub directory?

I must be missing a step or something. where do i "browse" in step nine? am i supposed to click 'pda' button again first? or perhaps one of the other Odin options like "phone"

I cant seem to get it to work. I've rooted other devices with cyanogen but not with this method.
[Upgrading, Modifying and Unlocking] factualpuddle:
I was wondering how far along some ports are, and if ported, what phone would you use to port CM to the sch-r740c?
[Upgrading, Modifying and Unlocking] Flip956:
Little confused...

I've recently came up on this phone. It is unrooted and completely stock ami1 on 4.0.4. I was interested in getting CWM and maybe updating to 4.1.2.

I've been reading through the pages but I'm now wondering what steps should I start off with now? Should I save some stock firmware before I begin for others having issues or have most initial issues been manhandled by all here? I have some time and am really in no rush to put anything on this phone but I guess I am really tired and a little confused now. :) :good:
[Upgrading, Modifying and Unlocking] drkcobra:
Samsung PST DLL for R740C

Does anyone have the Samsung PST DLL for this model phone?

Thanks!
[Upgrading, Modifying and Unlocking] kadeleblanc:
Im having same problem as paragraph 1

Im getting e-verification error same exact situation as paragraph one. Please someone help me....My wife is taking my phone because this one lags for her so bad.

Thanks again fella's.
[Upgrading, Modifying and Unlocking] gswirl:
Not hard at all

It should not be that hard at all to get Naked 4.1.2 working on the Centura.. and I can dig what you are talking about..
[Upgrading, Modifying and Unlocking] daishi4u:
Not hard at all... But nobody can get mobile data working...
[Upgrading, Modifying and Unlocking] neontoad:
please help me... in desperate need

Can anyone please explain to me how to move my apps to external sd card??? I assume I need to root my phone but do not want to brick it. Can anyone pls explain how to do both of these things to me in such step by step way that my five year old child could do it if she could read. Also I dont have access to a computer very often. I am asking for help to get rid of bloatware and memory storage problems. Thanks for any help anyone could give me with these issues
[Upgrading, Modifying and Unlocking] aquatikz:
will this work

will this work with sch-r735c ?
[Upgrading, Modifying and Unlocking] ghiros:
I concur - is this dead now or is anybody still playing with it? Thanks!
[Upgrading, Modifying and Unlocking] caspboy:
[MENTION=4267913]cowboyenvy[/MENTION]

Would you by any chance e working on kitkat or android 5.0 for our device??
[Upgrading, Modifying and Unlocking] cowboyenvy:
I've switched carriers I still have the device but I'm not really working on it. It's possible that the roms for this phones sister devices may work for it.
[Upgrading, Modifying and Unlocking] cowboyenvy:
you might try flashing the roms from the centura http://androidarea51.com/how-to-video/idiot's-guide-samsung-galaxy-centura-romroot-sch-s738c/

keep in mind do not flash the modem.bin file as that will almost certainly brick the device.
[Upgrading, Modifying and Unlocking] Ubernub:
The download links aren't working for me (mega.co.nz isn't responding). Can someone post them on a different site? I've got the black screen and I'd really like to resolve it. :(
[Upgrading, Modifying and Unlocking] hakamy89:
SAMSUNG Mobile Modem Diagnostic Serial Port (WDM) (COM8)

I want to make the phone in this mode, can you or anyone help me to do this, thanks!;)
[Upgrading, Modifying and Unlocking] hackerx1001:
Please help !! BRICKED

I've Centura ( SCH-S738C )

No recovery, No download mode, ONLY a black screen or "Samsung logo" screen

Does anyone have a 4.1.2 debrick img for this phone ?

I've the same problem , please help !!
[Upgrading, Modifying and Unlocking] babygirl420:
I'm so glad I found this post. I'm new to all of this. I had to find a way somehow to make this crap phone work better and I did. Great instructions and thanks so much. This was the first time i've ever tried this and everything is working great. Yay I didn't break my phone! Thank you.
[Upgrading, Modifying and Unlocking] DerpyTails:
Sorry, you can delete this, wrong area
[Upgrading, Modifying and Unlocking] johneva:
Please Update this link (KIES_HOME_R740CVVBNA5_R740CCOMBNA5_1506353_REV00_u ser_low_ship.tar.md5 502.7 MB)
[Upgrading, Modifying and Unlocking] argon5708:
SCH-R740C

Does anyone have a copy of CWM recovery for this phone?

All the download links are dead. I need to do a nandroid

backup and cannot find CWM recovery anywhere.

Thank you.
[Upgrading, Modifying and Unlocking] johneva:
SCH-R740C

Please Upload the Stock firmware for SCH-R740 Android 4.1.2
[Upgrading, Modifying and Unlocking] GDorn:
I also need these for some phone necromancy.

This is and always has been available from Samsung directly: http://www.samsung.com/us/support/owners/product/SCH-R740YBACRI

The "Upgrade,Others (Software) ver.1.0 - Win" package will take your hand and walk you through flashing to 4.12 stock over USB.
[Upgrading, Modifying and Unlocking] thangnguyen9111988:
successfully flashed SAM S735c (Tracfone but work on sprint) modem.bin to SAM R740c

I flashed S735c modem.bin to R740c and got it to OTA but phone does not have signal with Sprint prl but do have signal with Verizon prl. Please help.
[Upgrading, Modifying and Unlocking] sourceo:
CWM
[Upgrading, Modifying and Unlocking] chevy4life172017:
what scripts do i delete?

hey what commands do i delete from the updater scriipt after i get rid of the radio img? every comand that has radio as a command? im like really new at all this and im really really trying to learn. i just now got the bootloader on my nextbook 8a with marshmallow unlocked the other day haha. please help me out if anymone can, thanks.
[Upgrading, Modifying and Unlocking] brianferrer:
update this plsss need this

update the link

---------- Post added at 03:04 AM ---------- Previous post was at 02:34 AM ----------

update this plsss need this
[Upgrading, Modifying and Unlocking] jrcis08:
I do all formats in my cwm recovery like format - system and it just turned off automatically,

and after that i try to turn on and it stuck on samsung logo and just and trying to fix it by turning it on and off and suddenly my phone now won't open , charge and removing battery and getting it back all that cant fix my phone :( can u help me? my phone is Samsung SCH-R740C
[Upgrading, Modifying and Unlocking] ArcFlash3:
I have a Galaxy Discover with the black screen issue and I NEED the files originally posted. All the links are dead and I can't find them anywhere else. All I have nailed down is the CWM recovery and Odin 3.0.7 but I need the stock boot+system file. If someone can provide a link it would be greatly appreciated -- I'm kind of desperate at this point.
[Upgrading, Modifying and Unlocking] skinwalker46:
dead links, need stock rom plus the signature verification error needs fixing, not sure how though. at least the stock rom. it boots to the samsung logo, then the cricket logo and freezes. ive tried literally everything. update links please
[Upgrading, Modifying and Unlocking] cowboyenvy:
https://docs.google.com/folder/d/0B5hNzrZpAJmUdUVBVjdTMzFWVHM/edithttps://docs.google.com/folder/d/0B5hNzrZpAJmUdUVBVjdTMzFWVHM/edit

This link is to a few of the files on my phone boot recovery system. Warning system.img is modified not stock.. Unsure if this update.zip is official or one of the ones I was trying to modify
[Upgrading, Modifying and Unlocking] nudelovin22:
i wouldnt let me post it.. check your messages.. does anyone have the odin stock rom to reflash this discover that are stuck in recovery mode?
[Upgrading, Modifying and Unlocking] cowboyenvy:
Thank you for the link, I'm not sure build version you have on your phone, however the launcher.apk will not pass patch check, attempted a bspatch -reverse on the file as well, and copying that file back, also a no go.

To anyone currently running

IMM76D/R740CVVAMG1

or

IMM76D/R740CVVAMF1

I would like a system tarball

@ nudelovin22 I have uploaded my 'close to stock' recovery/boot/modem/system images, those may 'de-brick' however there is not currently a stock image available.

I'm tempted to see how much it would cost to replace the phone....

Also, if anyone wants to donate a 'dev phone' bricked or not I'd gladly accept and work to further a CM 9/10 port

CowboyEnvy
[Upgrading, Modifying and Unlocking] nudelovin22:
i figured out how to make a stock rom restore. its stock 4.0.4 ill upload it later today, it will fix the problem with phones stuck in recovery or wont bootup at all. i just gotta upload the file..here is link https://drive.google.com/folderview?id=0B6QkChhwVV1NM3Z0S25EWkQ2X3c&usp=sharing
[Upgrading, Modifying and Unlocking] factualpuddle:
Omg thank you! I hope it works. Oh, what do you do when you go to restore it and it says md5 mismatch?
[Upgrading, Modifying and Unlocking] nudelovin22:
it shouldn't. I did it on 2 phones already,, make sure u make clockworkmod folder than drop all those files in it and u should b good to go
[Upgrading, Modifying and Unlocking] cowboyenvy:
If it says md5 mismatch re-download the files. [MENTION=2077962]nudelovin22[/MENTION], I hope you did a data wipe on the phone prior to posting, otherwise your personal information is loaded on the data part of the restore.

CowboyEnvy
[Upgrading, Modifying and Unlocking] cowboyenvy:
Just attempted a download and install of this restore as well and I also got an md5 mismatch..

@ nudelovin if you would be willing to create modem and system img files I could attempt to create an odin restore for the ami1 build, also do you have a phone that you have not loaded the cwm on yet with ami1 build for its stock recovery?
[Upgrading, Modifying and Unlocking] factualpuddle:
Got md5 mismatch also, just redownloaded and will update if it works or not

Still getting md5 mismatch..
[Upgrading, Modifying and Unlocking] nudelovin22:
https://drive.google.com/file/d/0B6QkChhwVV1NWDBGVEQwTWItUVU/edit?usp=sharing

that was weird it said mismatch to me too.. ok try this one I just did it to 2 phones to test it and it worked. hope it works for you guys if not ill have to find a third and forth phone to try it on lol
[Upgrading, Modifying and Unlocking] cowboyenvy:
Looks like I'll have to wait til after work to try this out extracting very slow on my phone...
[Upgrading, Modifying and Unlocking] cowboyenvy:
The stock recovery I uploaded before is for f1 the update is from f1 to g1
[Upgrading, Modifying and Unlocking] nudelovin22:
JB 4.1.2 Update

or here is the JB OTAP Update this might unbrick your phone by manually updating it. BUT YOU NEED STOCK RECOVERY

https://drive.google.com/file/d/0B6QkChhwVV1NSzlsVkI1Q1dERDQ/edit?usp=sharing
[Upgrading, Modifying and Unlocking] YoungRED:
hi can you tell me how to use those files to put them on the phone

---------- Post added at 11:09 PM ---------- Previous post was at 10:37 PM ----------
[Upgrading, Modifying and Unlocking] YoungRED:
OK that was what I got from trying to do that update but what I really want to try is the files to recover the phones os first but I don't understand how to put what were in Odin I used Odin for the recovery part of the phone before so that was no problem I got recovery working again now how to use the files posted earlier in Odin to get os back

---------- Post added at 11:41 PM ---------- Previous post was at 11:28 PM ----------

To be more clear I mean can you tell me step by step what and how to do this pic will help if possible please and thank u i just don't know if I'm suppose to put this on a SD card and try to load it using phone or put it in Odin some how
[Upgrading, Modifying and Unlocking] nudelovin22:
ok so if u want to recover os on 4.0.4

1. install custom recovery

2. download my 4.0.4 restore from page 3 I think and extract it.

3. place the clockworkmod folder on root of SD card

4. boot into custom recovery mode

5. scroll down to backup and restore and pick restore

6. go into clockworkmod folder and hit continue.. that should be it

7. if you get your phone operating again.

8. reflash stock recovery with odin

9. put the 4.1.2 update zip in root of sd card

10. boot into recovery mode and choose update from sd card

11. It has worked on 2 phone I have.. let me know if it worked
[Upgrading, Modifying and Unlocking] cowboyenvy:
nudelovin, check your baseband vs build number ensure they are identical, and get us recovery.img boot.img system.img and modem.img files with those I can create a stock odin recovery, assuming all files are correct.
[Upgrading, Modifying and Unlocking] factualpuddle:
the 4.0 recovery worked!! omg, just made my day. and i think i have 2 days of service left too!! seriously, thank you. now lets just hope it keeps working!
[Upgrading, Modifying and Unlocking] nudelovin22:
Now update it to the 4.1.2 that should fix problems

---------- Post added at 05:45 AM ---------- Previous post was at 05:28 AM ----------

unzip and flash .tar with odin

Thank you shabbypenguin and #OUDHS

http://tinyurl.com/loju374

I guess some made a tar file for odin already, save you the work cowboyenvy... I got the discovers updated to 4.1.2 already

---------- Post added at 05:55 AM ---------- Previous post was at 05:45 AM ----------

yea the baseband and build were the same

unzip and flash .tar with odin

Thank you shabbypenguin and #OUDHS

http://tinyurl.com/loju374

OUDHS-Stock4.04-Discover-SCH-R740C
[Upgrading, Modifying and Unlocking] cowboyenvy:
Welp not sure WTF is going on with my phone, still get a status 7 error message on ddexe and she quits..

may try to tweak the 192 mb update file to custom and try installing that.. I would like a 4.1.2 modem/recovery/system/boot img if you are willing.

Save the update process, and actually let me get to 4.1.2 (can only get the phone up to ami1 =(
[Upgrading, Modifying and Unlocking] shabbypenguin:
/cache/recovery/last_log

grab that after trying to install teh update and it will tell you where and why it failed. the ota's hash check every file on the phone so if you have something different than what that zip is expecting its not gunna work, you can of course find out whats erroing out and then apply the modded zip to allow it to bypass patching/checking that file.
[Upgrading, Modifying and Unlocking] cowboyenvy:
Thanks for the tip I had already checked the last log and come up with the status 7 which is a failed signature.
[Upgrading, Modifying and Unlocking] shabbypenguin:
status 7 is a generic error tossed up for most errors. if you used cwm to flash a zip then there shouldnt be any signature issues.
[Upgrading, Modifying and Unlocking] cowboyenvy:
Patch check md5 signature on the file ddexe, and I didn't know status 7 was generic..

I was trying a to upgrade the standard stock build (from updates) with stick recovery. For some reason ddexe failed when it should not have
[Upgrading, Modifying and Unlocking] cowboyenvy:
Finally have boot modem and system updated to 2.1.4 however recovery got left behind did another odin flash with my cwm recovery installed nudelovin's backup and then installed the 4.1.2 update. A pain a trial but I'm here. Now to build a 4.1.2 odin flash with cwm.

Btw anyone with the stock recovery for 4.1.2 willing to upload and share?
[Upgrading, Modifying and Unlocking] cowboyenvy:
Odin 3 Tar Ball -- Untested - R740CVVAMF1

Hey, one of the major problems I was having while trying to get my phone to 4.1.2 was modem/build mismatch numbers, This file, may be a solution, it is untested but it may help some others unbrick their devices and still be able to follow a normal update path.

The file is untested, (don't wanna screw up my new 4.1.2 updated phone) but for someone willing to take a risk and give it a shot (preferably on an already unused, or unusable phone)
[Upgrading, Modifying and Unlocking] nudelovin22:
I might try it. Do u have the custom recovery for 4.1.2 yet?
[Upgrading, Modifying and Unlocking] cowboyenvy:
At the moment I have a dead phone, tried flashing a custom 4.1.2 update.zip with CWM and poof... going thru some steps to try and revive.
[Upgrading, Modifying and Unlocking] cowboyenvy:
if you can can you get me a copy of a 4.1.2 backup for this phone?
[Upgrading, Modifying and Unlocking] YoungRED:
when i tried this it says no files found couldnt open directory
[Upgrading, Modifying and Unlocking] cowboyenvy:
I'm working on a post to update our status at the moment, I now have a Odin Flashable 4.1.2 Stock image, will update the thread shortly....
[Upgrading, Modifying and Unlocking] cowboyenvy:
4.1.2 Stock returned, YAY! for dd and system.img. Recap/Clarifications

Current Status:

I'm still unable to get the phone to accept a modem.bin update via Odin, (Will at some point try an update.zip with CWM)

Baseband/Build numbers need to be in Sync to apply/receive OTA updates

We have a Stock 4.0.4 R740CVVAMF1 Odin flashable thanks to shabbypenguin and #OUDHS

Have yet to build a successful/fully functional Touch recovery

I have and will upload a 4.1.2 Stock RC740VVVBNA5 boot+system recovery Stock-boot+system-R740CVVBNA5.tar.md5

I have and will upload a 4.1.2 stock RC740VVVBNA5 recovery partition Stock-recovery-R740CVVBNA5.tar.md5

I have and will upload a CWM based of the kernel from the RC740VVVBNA5 recovery image CWM-recovery-amazing3gcri-eng.tar.md5

The Recovery does seem to work across versions contrary to an earlier post I had made the VVAMF1 and VVBNA5 recovery partitions should be cross compatible. (I am under the impression some recoveries are not)

I will be editing first post to include links to the 'latest' downloads, and possibly modifying the instructions to tweak for CWM/Stock recovery
[Upgrading, Modifying and Unlocking] YoungRED:
Thanks it worked I think I used the wrong download at first the looked the same just different sizes but its working now thanks again everyone
[Upgrading, Modifying and Unlocking] shabbypenguin:
i am more than willing to assist with recovery, im just confused on how you made yours? i got recovery.img from a friend and compiled it a few times testing each time and got nothing but black screen. if i have a baseline working cwm i can work on other bugs and then have it submitted as i have done for previous devices so that cwm touch can be made officially for yall.
[Upgrading, Modifying and Unlocking] cowboyenvy:
Currently compiled a 6.0.3.7 CWM recovery from the cyanogen recovery 10.1 git source code, with the caveat that USB storage mode doesn't work. build environment is devdistro 14

Attached is a .7z.zip of my vendor/ and device/ specific files.. (there may still be some errors, I'm still learning this dev stuff..)

both 7z/zip where to big respectively, so I beat the system =)

CowboyEnvy
[Upgrading, Modifying and Unlocking] shabbypenguin:
amazing, the only thing i can find different is i was applying an offset which is common with devices made in the past 2 years. either my offset was wrong or it just refused to work with it. with that said got a github/bitbucket to push it to? id much rather fork it maintaining proper credit to yourself when i talk to the cwm people.
[Upgrading, Modifying and Unlocking] cowboyenvy:
To be honest, I haven't entirely figured out the git submit stuff =) I did sign up for a free github account, but I've been too busy playing with the phone to learn that aspect of git yet.
[Upgrading, Modifying and Unlocking] shabbypenguin:
alright so we'll put a pin in that for now, but anyways here is the device tree with teh offset removed so it should all be working now, it also has touch gestures included to test if touch is indeed working :)

https://mega.co.nz/#!pIhAwaAa!TzMyBfRERzpCMmhoFq5yYs5aAaPX09PaNskFbN0dQyM
[Upgrading, Modifying and Unlocking] cowboyenvy:
So, black screen, cycling back light on and off..
[Upgrading, Modifying and Unlocking] shabbypenguin:
i... i dont even ****ing understand....

its literally the exact same files except the lines i commented out now...
[Upgrading, Modifying and Unlocking] cowboyenvy:
are you working with cm_10.1 or something more current?

and did you remember to make clobber?
[Upgrading, Modifying and Unlocking] shabbypenguin:
cm-11
[Upgrading, Modifying and Unlocking] cowboyenvy:
actually that is probably the issue, I was unable to build a recovery from the cm 11 branch, so dropped to a 10.1 branch in an effort to get a working CWM, however I've been unable to find much documentation is enabling touch to CWM..

CowboyEnvy
[Upgrading, Modifying and Unlocking] shabbypenguin:
https://mega.co.nz/#!ccgjmQ7I!zfN_nT115USEma9Xv4urpGFHMDkqPFYamLODxUNajFA

here is your device tree, with touch enabled and i swapped out the prebuilt kernel with inline kernel source from samsung.
[Upgrading, Modifying and Unlocking] cowboyenvy:
This one boots, CWM 6.0.3.7, however; touch nor usb mount are working on this version..
[Upgrading, Modifying and Unlocking] shabbypenguin:
i dont imagine usb mount will work, it changed quite a bit with mtp and ics and not for the better as far as recovery is concerned. do you get adb access? nothing happens if you swipe up or down? if there is no touch on the basic cwm touch stuff that auto detects then not much hope for getting official cwm touch. so it seems my issue was either teh zImage itself i was using, or some other random crazy thing i couldnt find :/
[Upgrading, Modifying and Unlocking] cowboyenvy:
Hmmm, well USB/ADB might work if I had the correct driver installed, I've got an exclamation mark in the device manager, still not responding to up/down swipes.. I do know touch recovery is possible for this device, while it had errors my initial build did have touch (just file access was messed up)

Cowboyenvy
[Upgrading, Modifying and Unlocking] shabbypenguin:
interesting, do you have a copy of teh image you used as teh base?