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Captivate doesn't get any signal

Hi Guys, so here's the thing, i just installed a new ICS rom in my Captivate(i897), but apparently it installed a new Radio/Modem, so when i turn it on, there is no signal at all.
Now i suppose that i need to found a Radio/Modem that works in my country, but i've tried a few from here , where it says I897-ICS/CM7-9/MIUI Modems, and there's no solution.
My country uses 850mhz, hope that someone can help me..
By the way, before installing the ICS I made a backup, but when i restore, it doesn't work either, maybe it doesnt back up the Radio/Modem

You're correct about the restore, it doesn't restore a modem. You need to find a default 850 MHz modem on that website and look for a modem that is listed on this list as default 850 MHz band. Hope you get it working!

My question is this.. That list that you give me, they're all for i9000, but my Captivate is i897, is there any difference?

If you're on an ICS or CM7/MIUI ROM then you have to use an I9000 modem for it work...

Ok, i've tried almost all of the 850mhz modems from the list that you gave me, and still nothing.. what else can it be?, i'm using CM9 ICS

What bands do your carrier use, not the country...

850.. BEFORE installing the ROM it was working perfectly.. there is no way to recover the factory Radio/Modem?
This is the ROM that messed up my radio http://forum.xda-developers.com/showthread.php?t=1362092, now i'm seeing the common issues, and the radio problem is in it. Here is what it says:
Try flashing another modem. If this fails, make sure you have the correct APN settings; and as well that your EFS partition is in working order (check your IMEI number). Big thanks to Oxicottin for the modems!
Click to expand...
Click to collapse
How do I check that EFS partition?

Back to basics first. Was the USB cable plugged in to power or computer when you flashed?? If so the only cure is a reflash of the ROM.

robm1911 said:
Back to basics first. Was the USB cable plugged in to power or computer when you flashed?? If so the only cure is a reflash of the ROM.
Click to expand...
Click to collapse
I don't remember.. probably it was, let suppose it was, so i need to reinstall the rom that inicially screw this up?, and then what?

If the USB was plugged in during initial flash then there's no other option than to reflash the ROM. After that you should be good to go.
Good luck!!

[SOLVED]
I tried reinstalling that ROM, still nothing, now what I did was using Odin and reinstalling a stock rom.., now i have full signal..
Thanks for the help!

I'm surprised checking to see if your imei was wiped or your apn settings has been brought up.

mbc663 said:
I'm surprised checking to see if your imei was wiped or your apn settings has been brought up.
Click to expand...
Click to collapse
Nope, everything seems to be exactly like it was before the issue.
Here's what i've done.
1. http://forum.xda-developers.com/showthread.php?t=731989
2. Download the stock rom in the post, and followed the steps to put the phone in download mode.

Type *#*#2263#*#* in the dialer
Select [2] WCDMA Band
Select [5] WCDMA 850
Press menu-back button and insure that there is only a star next to the wcdma menu. You should be okay from here but a reboot would be a good idea.
Sent from my SGH-I897 using XDA

Btw, flashing a rom plugged in is fine in most cases, I do it all the time. However flashing a modem more specifically, requires you to unplug the USB cable. Unplug to be safe anyways, or make sure you know if the rom is installing new modems with it.
Sent from my SGH-I897 using XDA

Flashing error!!!

I tried to flash cm10 rom and it never would get past starting apps. I used the new recovery that I beleive beans had reated to install cm9. Then when I tried to reboot i got the verizon non authorized software message. I went back and odin back to root66 and could not get network connection. i have tried factory reset and doing over and over again with now luck. does anyone know why its not letting me on network

pitmanr2003 said:
I tried to flash cm10 rom and it never would get past starting apps. I used the new recovery that I beleive beans had reated to install cm9. Then when I tried to reboot i got the verizon non authorized software message. I went back and odin back to root66 and could not get network connection. i have tried factory reset and doing over and over again with now luck. does anyone know why its not letting me on network
Click to expand...
Click to collapse
where did you get cm10 for the vzw phone? I thought it was for all of the other phones but vzw? Try going back to stock non root. try flashing the modems in the thread about this one.

phillyphill39 said:
where did you get cm10 for the vzw phone? I thought it was for all of the other phones but vzw? Try going back to stock non root. try flashing the modems in the thread about this one.
Click to expand...
Click to collapse
if you go to goo app its in his folders of roms i beleive. i have tried that. i switched to my wifes sim card and got same results, so must be something on the phone

pitmanr2003 said:
I tried to flash cm10 rom and it never would get past starting apps. I used the new recovery that I beleive beans had reated to install cm9. Then when I tried to reboot i got the verizon non authorized software message. I went back and odin back to root66 and could not get network connection. i have tried factory reset and doing over and over again with now luck. does anyone know why its not letting me on network
Click to expand...
Click to collapse
Flash the stock tar.md5 from here: http://samsung-updates.com/device/?id=scH-i535
Whatever you flashed put a custom kernel on there, and that's why you get that message.

pitmanr2003 said:
I tried to flash cm10 rom and it never would get past starting apps. I used the new recovery that I beleive beans had reated to install cm9. Then when I tried to reboot i got the verizon non authorized software message. I went back and odin back to root66 and could not get network connection. i have tried factory reset and doing over and over again with now luck. does anyone know why its not letting me on network
Click to expand...
Click to collapse
I don't mean to be rude, but development is not for questions

timothydonohue said:
I don't mean to be rude, but development is not for questions
Click to expand...
Click to collapse
no offense taken, but with only one question and answer section and that for all cell services could make this question a little different

pitmanr2003 said:
no offense taken, but with only one question and answer section and that for all cell services could make this question a little different
Click to expand...
Click to collapse
I have d2hackers cm10 up and running on my device...click link in sig!

i have tried new modem and fully stock rom. no luck. I was running dual boot before that if that could of caused issue. I am lost now.

pitmanr2003 said:
i have tried new modem and fully stock rom. no luck. I was running dual boot before that if that could of caused issue. I am lost now.
Click to expand...
Click to collapse
I am lost. i have tried everything and i am now where a beginner when it comes to android. Im afraid that if i take it back they will see it has been rooted.

pitmanr2003 said:
I am lost. i have tried everything and i am now where a beginner when it comes to android. Im afraid that if i take it back they will see it has been rooted.
Click to expand...
Click to collapse
wipe data then odin a factory stock image

droidstyle said:
wipe data then odin a factory stock image
Click to expand...
Click to collapse
tried that still wants to roam.

pitmanr2003 said:
tried that still wants to roam.
Click to expand...
Click to collapse
I have tried to odin stock and then wipe. still showing no data connection, and same thing when I put my wifes sim in. IM thinkiing it has something to do with the dual boot i had set up before. is there a way to repartion the internal sd card or emmc?

This seems to be happening to a lot of people flashing AOSP ROMs....this is why they warn you they are not responsible for what happens to your phone...especially with Betas.
There are many threads on this and several on how to get a workaround until someone figures out how to fix this.
Try doing a search on losing IMEI or roaming after flashing CM10...it is happening a lot...that is why I am just using rooted stock with VZW apps and TW frozen.

this problem I was having with no data or radio in CM10.
I used ODIN to go back to stock rooted (root 66).
When I did that I was boot looping in the puking rainbows 4GLTE boot animation.
I eventually figured out how to fix that by booting into recovery (press volume up, home button, and power button at the same time till phone boots). I then did a wipe data/factory reset.
My phone then booted fine into stock root.
I then proceeded to punch in *2767*3855# into my dialer immediately when I got stock root working. That did some sort of a factory reset / format. It all happened so quick I could barely read what it told me. The phone rebooted after a while.
I then downloaded EZ-Recovery for VZW Galaxy S3 app from the Play store.
I installed the custom recovery from Dhacker's CM10 post over on the droidhive forums using EZ recovery.
I also downloaded the CM10 file to flash and the Jelly Bean Google Apps file.
Rebooted into recovery, Wiped data/cache/dalvik.
Installed the CM10 file.
Installed the Jelly Bean apps.
Reboot.
Profit.
I now have a largely functional CM10 (as far as I can tell there are some camera issues). Data 3G/4G is working, so are calls and text and everything is dandy.

Did the *27 bla bla thing posted above and back to normal. Thanks everyone
Sent from my SCH-I535 using XDA App

Problems with all 4.2.2 roms!

I was running slim 4.2.1 for quite some time with no problems, i loved it. I flashed 4.2.2 and my phone got stuck in NV and my phone number would come up as 000-000-3370. On first boot everything seems to be fine except that i get an error when i try to open up the play store. On my next boot is when I would see these problems. I tried everything from dirty flashing from a working 4.2.1 rom to completely formatting everything, even my external sd, and the same thing happens. This happens with every 4.2.2 rom out there. When i reboot i get stuck on the activating screen and my phone will get stuck in NV and ruim/sim wont stick no matter what i do. i don't know what else to do. someone please help!

It isn't a rom issue it is an S 3 issue that randomly occurs when flashing ROMs. You will have to flash the stock rom and reprovision your phone. I know because it has happened to me twice and both times it was with a Touchwiz ROM. You should have backed up your IMEI just in case this happens.

my imei is backed up. but why is it only 4.2.2 roms that do this?

I was able to flash back to a 4.2.1 Rom, namely pure Google for now, with no problems. but when I flash any 4.2.2 Rom the same thing happens.

All 4.2 ROMs used to do this to me.
However.
Only also happened when I flashed miui.
Now I run liquid smooth and haven't had the problem since.
sent from that young galaxy.
God bless the American people!

do u guys think I should Odin back to stock, then root, unlock, and try to flash 4.2.2?

Actually, there is an easier way
I have had this happen numerous times and it lef me to mess with my phone a little bit. I originally thought that setting it to CDMA/SIM and then rebooting would fix the problem, but I found a simpler solution to that. The last time I encountered the problem I simply set the phone to RUIM/SIM under mobile networks and then Turned on airplane mode for a few seconds then turned it off and I found my number under phone settings and everything. Try that and let me know how it goes.
Edit: Sorry, the term is RUIM/SIM, not CDMA/SIM. My bad.

hmmm, I'll definitely give that a shot later on tonight.

well I tried it, it works. but only temporarily. once I reboot it reverts back to how it was. any other thoughts?

anyone?

Chitala383 said:
anyone?
Click to expand...
Click to collapse
try this. i had the same problem. http://forum.xda-developers.com/showpost.php?p=35600769&postcount=2

nope, none of that works either. no matter what I do ruim/sim will not stick on a reboot on any 4.2.2 Rom. I'm really getting frustrated with this.

no one has any other solutions for me?

Chitala383 said:
anyone?
Click to expand...
Click to collapse
Does your phone display an IMEI number?
Settings->About->Status
Don't need the number, just to know if you have it there....
Also do you still have Root/Unlocked bootloader?

yes, i have an imei. i lost it once before so now its backed up, i'll never make that mistake again. it was a nightmare trying to get it back. and yes, i am rooted and unlocked.

Chitala383 said:
yes, i have an imei. i lost it once before so now its backed up, i'll never make that mistake again. it was a nightmare trying to get it back. and yes, i am rooted and unlocked.
Click to expand...
Click to collapse
Have you done a complete factory restore through Odin? You would lose root and unlocked bootloader, but it may be faster to restore to stock, and reroot/mod than to try to find an "easy" fix. I was having some issues the other day in between a few ROM's, but I just factory restored, and restarted from "scratch". Now I am running perfect.
You may have already tried, but on page 1 you asked if you should, and I did not see a confirmation you did so.

Had the same problem... And yes, the phone must be reprovisioned. Although sometimes you can just adjust the network settings and change it from NV. That worked for me also.
Sent from my SCH-I535 using Tapatalk 2

I flashed root 66 via Odin, bootloop. flashed the ma2 stock image, bootloop. then flashed the lk3 stock image with success. but still with the same results as before.

tomorrow I'll try flashing g1 and start from scratch there. what do u guys think?

well, I odin'd back to bone stock G1, rooted with rootdebugfs, flashed cwm with ez recovery, unlocked my bootloader with ez unlock, flashed liquidsmooth 4.2.2 rc2 and guess what. same ****!!!!!!!!!!!!! i'm really getting fed up with this. someone has to have a solution to this cuz this is really pissing me off.

No LTE

Hello!
I was running CM11 7/17 build and randomly my phone lost all phone service. Or so it seemed. So it seemed. I was able to call *228 to try to update roaming service. Well, it worked, except now, my phone stays in 3G and still doesn't seem to be full strength. Does anyone know what I need to do.
Also, I've updated to 7/27 CM11 and that didn't change anything service wise.
Thank you!

ESCollins90 said:
Hello!
I was running CM11 7/17 build and randomly my phone lost all phone service. Or so it seemed. So it seemed. I was able to call *228 to try to update roaming service. Well, it worked, except now, my phone stays in 3G and still doesn't seem to be full strength. Does anyone know what I need to do.
Also, I've updated to 7/27 CM11 and that didn't change anything service wise.
Thank you!
Click to expand...
Click to collapse
im pretty sure you dont want to use 228 on a smart phone, its not like a dumb phone that needs updates like that.
i would put stock on and see if you still have the issue.
if that doesnt fix it, or you dont want to do that, i would get a new sim card and see if that helps. you may have burned the 4g out of the sim.

bweN diorD said:
im pretty sure you dont want to use 228 on a smart phone, its not like a dumb phone that needs updates like that.
i would put stock on and see if you still have the issue.
if that doesnt fix it, or you dont want to do that, i would get a new sim card and see if that helps. you may have burned the 4g out of the sim.
Click to expand...
Click to collapse
Stock works fine. And I had this problem before when I used a locked boot loader ROM. But when I upgraded to KitKat and unlocked the boot loader and tinstalled CM11 everything was fine.
Is there a way to reset my phones cell/data service back? Instead of Verizon Wireless it just says T-CDMA 64 now as well.

ESCollins90 said:
Stock works fine. And I had this problem before when I used a locked boot loader ROM. But when I upgraded to KitKat and unlocked the boot loader and tinstalled CM11 everything was fine.
Is there a way to reset my phones cell/data service back? Instead of Verizon Wireless it just says T-CDMA 64 now as well.
Click to expand...
Click to collapse
i dont know exactly, i can only say what i would try if i were in your situation.
first i would re-flash the rom, just wipe cache's and system.
if no fix, i would try re-flashing only the modem's. edit the stock xml file and dump every line except the modem's and modem wiping lines then flash with rsd.
if no fix, i would have to say, a full wipe and re-install of the rom is in order.
if that dont fix it, i dont know what else to try.
i would do a backup before you try any of that, although its mostly useless, as you would just be backing up the broken setup. would just help to recover any data if you need to.

bweN diorD said:
i dont know exactly, i can only say what i would try if i were in your situation.
first i would re-flash the rom, just wipe cache's and system.
if no fix, i would try re-flashing only the modem's. edit the stock xml file and dump every line except the modem's and modem wiping lines then flash with rsd.
if no fix, i would have to say, a full wipe and re-install of the rom is in order.
if that dont fix it, i dont know what else to try.
i would do a backup before you try any of that, although its mostly useless, as you would just be backing up the broken setup. would just help to recover any data if you need to.
Click to expand...
Click to collapse
Okay. That was what I was fearing. But I'll give it a try when I get home! Thanks!!

I had the same problem, and I ended up getting a new SIM card. That fixed the problem, but I don't know if that was the only way to fix it...
Sent from my DROID RAZR HD using XDA Free mobile app

s-off took ota wifi is shot?

Hello,
I'm having issues with WiFi, it doesn't connect to my home network at all. This is what I did..
I sunshine rooted/s-off with success then I fastboot stock recovery then took the ota. That went well, but the WiFi doesn't connect. Should I reinstall tarp and see if it connects or maybe flash the radio??
Thanks for your time.

v1ral said:
Hello,
I'm having issues with WiFi, it doesn't connect to my home network at all. This is what I did..
I sunshine rooted/s-off with success then I fastboot stock recovery then took the ota. That went well, but the WiFi doesn't connect. Should I reinstall tarp and see if it connects or maybe flash the radio??
Thanks for your time.
Click to expand...
Click to collapse
You aren't the first. Can you backup and factory reset first to see if that fixes the problem?

I have a backup already, can I factory reset and still have my apn settings??
I'm still on stock recovery, should I flash twrp now??

v1ral said:
I have a backup already, can I factory reset and still have my apn settings??
I'm still on stock recovery, should I flash twrp now??
Click to expand...
Click to collapse
No...Stock recovery is best for factory reset.

@dottat
So factory reset in stock recovery?
I'll still have my apn settings intact? Sorry I've only messed with a Sprint HTC one m7 ONLY on CDMA with no 4G LTE when I was on Guam. Now I'm afraid I'll lose settings I need to get it functioning properly.

dottat said:
You aren't the first. Can you backup and factory reset first to see if that fixes the problem?
Click to expand...
Click to collapse
I am having some wifi issues as well. I just tried a factory reset and the issue still remains. I will try doing the full RUU tomorrow, but off to bed for me for now.
My wifi issue is that it connects but constantly drops the connection. I haven't been able to make sense of it yet. I'm at work most of the time and this is where I notice it. I'm not sure if it is only here or happens on other routers, but I will keep trying to track it down.

Ok, I've tried to reflash stock recovery and redo what I did to take the OTA, but now it's just a RED triangle when it tries to install....
What am I doing wrong?
What/where can I find the stock recovery?
Also, I can't get into stock recovery also, to try and factory reset.
Also to add:
When I take the OTA is the phone still rooted? I remember vaguely that I wasn't able to use root apps at all, so maybe that's my issue with stock recovery.
Thing I am most worried about*maybe I'm overreacting* is carrier settings, when I factory reset or maybe doing a RUU, so guys please enlighten me about this.