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[Q] HELP! Galaxy S3 (i535) Stuck in roaming after root attempt, tried everything...

First, I'd like to say that I have seen other threads on this topic and tried but failed.
I've gone through different roms, stock roms, stock radio, Odin, etc. I attempted to download ADB but it doesn't work on my windows 8 and I've just gone through so many problems that I can't take it anymore. I need help.
I have a Samsung Galaxy S3 i535 on the Verizon network.
It started with me trying to root my phone
I used the Odin method and CM 10.1 with Clockwork mod.
Phone booted up and everything and had Superuser but kept getting errors about process.android failing/closing as well as other processes.
I needed Gapps so I tried to flash the one for CM 10.1 and the installation when I boot it up would always fail due to network error. It showed up every reboot so to get rid of the endless failing I tried to change the rom in recovery.
Changing to Synergy Mod
As I went through the installer for Synergy, everytime it got to the wiping data/cache portion it rebooted the phone and failed to install.
BUT, when I went back to CM 10.1 the Gapps screen had finally vanished.
At this point
I had signal but could not send out texts or calls and I had no data connectivity.
Stock Attempts
Tried multiple attempts on this site as well as others, mostly having to use Odin. As of now, I'm in Android 4.0.4 stock rom and recovery with call/text ability, stuck in roaming (little R/triangle above bars), Google Play not opening, and no ability to update software due to no network connection.
Please, I don't know what else to do. I'm going insane and am losing hope, I need the help of you beautiful people.
I'm in the Air Force and it's hard to spend this much time trying to fix this issue, a lot of things are tied to my phone with it being my only communication. I'm okay with rooting my phone again but I need to get the 4G data working first. Thank you in advance.
I'll try anything, even if I have before, and i'll post the results. Any help is appreciated.

If you're completely stock on 4.0.4 try reprovisioning your phone. Open dialer and type this *2767*3855#
Sent from my SCH-I535 using Tapatalk 4

[Q] 3g no longer working on my phone after flashing roms SCH-I500

So, after hours of looking for the stock rom for my Samsung galaxy S ( I don't know which one it is.. It just says samsung at the top and bottom) I found a gingerbread rom, and I flashed it to my phone via Odin. I reset the phone, and I no longer had my 3g, and my phone number says "Unknown". I installed Froyo 2.2.2 before this, and it was working perfectly, except that wasn't the stock that I was looking for, and so that was the reason I flashed the gingerbread ROM.. If anyone could help me, it'd be a big help.
~EPIKHBK1

aww Cmon.. :crying:

No one?

Probably something went wrong with the modem flash. The stock rom contained the modem for the rom itself? It happened to me on a galaxy ace. I flashed a 4.0.4 rom and then i lost the signal (only 3g/2g, not the wifi). Then I flashed a custom rom based on the original one and now everything works. Try to search the official rom for your device on sammobile.

:/

Well, I've spent days looking for the stock ROM :/ I couldn't find the one for mine..
You said install a custom ROM? won't that require a ROOT?

I can't find my model, "SCH-I500" on sammobile.

Ok, I installed http://www.mediafire.com/download/c7h1wl5wne51duf/ed05_radio.tar.md5.. so I'm able to send/recieve calls, but I still don't see "3g network" icon on the top of my phone, meaning that I don't have 3g..

anyone??

...

Rage..

Eh..

guys... Help me.

Custom ROM Flashing Problems

Good day to all, ya'll have changed things a bit it appears since my last visit. Okay I don't know what is going on as I have flashed hundreds of ROM's without issue and this morning Im seeming to have all kinds of issues. Sprint Galaxy S4 rooted and Flashed for Straight talk network. I am having some kinds of problems and am not able to flash any custom ROM's. Ive tried flashing GPE 4.4.4 and Super S4 ROM and Im getting a Footers Wrong error, error #7 and Signature not verified error and then it will reboot back to the stock firmware. So being my bright self that I am I toggled the signature deal in Clockworkmod and flashed it again and the phone rebooted and started up in GPE, but I could not get a data signal nor would it allow me to even turn on the wif-fi. and now Ive got it bricked and hooked up to odin. Any suggestions, comments, beatings or there of the likes. lol thanks guys yall are great.

Custom ROM Issues
Okay good day once again....Okay the phone has booted up completely and with GPE 4.4.4 or what I assume is GPE. I have no service to the device what so ever, but it does saying preparing network in the task bar and has been saying that for 20 minutes now, I still can not turn on Wifi. When I go to about device it says the following Software Version - Unknown Hardware Version - nothing Android Version 4.4.2 Baseband Version- unknown Kernal Version 3.4.0-216929 [email protected]#1 Wed Jul 9 09:03:50 2014 Build Number - SuperS4-1.5(which means it isn't GPE it is Super S4 ROM, which is cool especially since one of your guys I think built it) and everything else their looks normal to me. So any feed back on this post please. I have to be at work in a few hours and can not do without a phone ....

Hello...! I have some questions to you.... Do you try to flash a custom rom from recovery right....?
And it says "status 7 error"?
I think the reason for this is that you are trying to flash a rom that does not match with your phone or it's not singed...! For example you are trying to flash a rom for Samsung Galaxy S 4 GT-I9500...

Difficulty installing a custom ROM on samsung galaxy S4. Pls help
Pls am having difficulty installing a custom ROM on my Samsung galaxy S4 GT-i9500 Verizon. I have already installed a custom recovery(clockworkMod 6.0.4.7) and the phone is rooted. But each time i try to boot into recovery mode this is where am stuck. i cant seem to find the custom ROM i want to flash i mean the zip file cant be seen and its already donwloaded in my phone. I have some custom ROMS already in my phone for flashing but i cant seem to see the zip file in recovery mode. I took a screenshot so you can tell me what the problem is. Thanks

Fiddled around with USCC Galaxy S6: Boot Loops, process com.google.process.gapps...

1. TWRP is up
2. baseband G920R4TYU2BOF7/HW version G9020R4.02
3. No Mods
4. Rooted
So I tried flashing the Vader ROM, I was getting boot loops at the language selection screen. I go back and restore from backups my original stuff. Boot back up and now I'm getting the lovely "process.com.google.gapps has stopped" error. I'm assuming that I may need to find gapps for 5.1.1? I also tried flashing XtreStoLite ROM with the Aroma add on. Everything seemed to be working great with the exception of the data and no signal, which I am to assume is because I'm not using the correct carrier-specific stuff.
Go to download the stock ROM for my phone, and I keep getting an error as well. Odin won't flash it. One thing that I noticed is that the stock rom was 5.0.2 where when I got the phone 3 days ago it came with 5.1.1.
At this point, I'd like to be able to get it back to stock if possible. I jumped the gun and started flashing all sorts of things without checking to see if it would even for with a USCC galaxy s6. Any help would be much appreciated.

UPDATE: Problem seems to have resolved itself with the last restore. no more problems with gapps. However I am curious as to if any of these custom roms will work with a USCC variant

Samsung S4 constantly losing connection, but still shows connected.

My girlfriend's AT&T S4 loses connection, but still shows it connected. So you never know you don't have a connection until you reboot the phone and find that you have missed 2 phone calls, 3 emails, and 15 texts. This happened with the stock Rom. I've tried a couple of different roms, but still the same outcome. I'm thinking I should have to switch to a different modem, but I'm not sure which one to use. Am I wrong and is there another solution? I'm looking for something that will work so I don't have to mess with it again. If anyone has experienced this connection loss and found a solution, please let me know what to do to fix this phone.

definitively you need to update the modem.
2 ways to achieve the update: either by a new rom firmware (http://live.samsung-updates.com/?device=GT-I9505), either by just update gsm modem/wifi fix (http://forum.xda-developers.com/showpost.php?p=50965837&postcount=2627)
But I strongly suggest before, to look at what your device model is. Mine is S4 LTE international = GT-i9505.
Don't know yours.
Hope that helps.

Ahh... a response. Thank you
So if I change the Rom, that will change the modem too? I thought the modem stayed with the phone and you had to change that separately. This can get so confusing at times. But this is good news never the less. The model number of the phone is GT-i9505G running a custom Rom ( Super-Nexus ) 4.4.4, baseband version 1337UCUFNB1, Kernel version 3.4.0-1125940 [email protected] #1
I hope this information helps you understand what I have so you can find a solution. Thank you for all your help

You're right. changing the rom doesn't update your modem unless you flash a stock firmware via odin. But read carefully as samsung at&t version is specific (meaning specific firmware).
You will find bunch of files by looking at "modem galaxy s4 i337" on xda thread. Depend on what you will find, either only modem/wifi fix either the full stock firmware, you need to update via Odin.

also a good start is to take a look at xda thread > http://forum.xda-developers.com/showthread.php?t=2616221
And it seems that AT&T already realease some new stock firmware > http://www.att.com/esupport/softwareUpdateArticle.jsp?sid=KB419415&cv=820&partner=LinkShare&siteId=TnL5HPStwNw-V7YmgDyzwWW7TSi7CwkqtA

I tried a Note 4 Rom first
I have a Note 3, I've had a Note 2 (I loved the macro setting and wished they'd kept it for the Note 3), so I thought I would try the Note 4 Rom on my girlfriend's problematic S4. It got stuck in a boot loop. I ended up using the link you gave me for the stock (but upgraded) AT&T Rom. I see it brought the phone from NB1 to NJ4 firmware. I'm hoping this improvement will solve the problem of a connection loss bring that is a factory firmware upgrade. She can also get OTA updates again. Thank you for your help. Now it's time to find a different Rom for my Nvidia Tegra Note 7. This thing is terribly slow after the upgrade to Lollipop!

Note 4 has a complete different hardware from S4. That's why you had boot loop.
Don't forget to change the subject by [SOLVED] if applied