[Q] Sanity Check: Sporadic 3g Service - Vibrant Q&A, Help & Troubleshooting

I recently switched my daily driver from Axura 2.1 to Nero v1.
Prior to flashing Nero I odin'd back to stock.
I've since noticed that my 3g connection is sporadic at best, with my phone spending the majority of its time on GPRS (G icon).
While troubleshooting I've flashed the JK6 Modem back over Nero, and have noticed the same behavior.
This behavior is also evident after flashing back to stock via odin.
The question is:
Given that this problem is visible in Nero and after flashing stock via odin, is there any possibility that this is a software based problem?
If anybody has encountered similar behavior, any suggestions would be greatly appreciated.
(Always good to have the ducks in a row before complaining to T-Mobes)

Final Bump

Yeah... i'm too ... anybody know how to solve this ??? i cannot use 3G anymore...(

i've noticed the same thing! its great to finally see some posts about it cause i've been wondering! I flashed all different modems, and still no luck after flashing nero 1.

Did you flash the stock modem/kernal back as well?
Sent from my SGH-T959 using XDA App

I just flashed eugenes ginger clone r2 ill update with what differences I notice.
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Related

data issues

I come from the g1 and from what i know about that the radio is what controls data/voice/etc. I see a lot on the vibrant about different modems, are these equivalent to what the g1 radio was?
my concern here is that after switching to eugenes froyo i kept losing a data connection and had to toggle airplane mode which is a known issue with the rom. well i got tired of losing a data connection so i switched to a bionix rom and my data issue is still there but from what ive read about the bionix rom i dont see other people having the issue.
do i just need to try yet another modem file? the one from eugenes rom and the bionix rom differ already as far as i know.
rondey- said:
I come from the g1 and from what i know about that the radio is what controls data/voice/etc. I see a lot on the vibrant about different modems, are these equivalent to what the g1 radio was?
my concern here is that after switching to eugenes froyo i kept losing a data connection and had to toggle airplane mode which is a known issue with the rom. well i got tired of losing a data connection so i switched to a bionix rom and my data issue is still there but from what ive read about the bionix rom i dont see other people having the issue.
do i just need to try yet another modem file? the one from eugenes rom and the bionix rom differ already as far as i know.
Click to expand...
Click to collapse
Yes Modem=Radio here. I came from an N1 and I'm use to flashing the "radio" as well. You can flash the JI6 modem which most people say has the best data speeds and connection. If that doesn't work well try the JI2 modem.
Sent from my SGH-T959 using XDA App
hrm oddly enough i searched and found eugenes thread with the odin flashable modem files. i tried them but with the same results. the last one i flashed my rom started acting weird and a reboot didnt fix it. i wiped and reflashed bionix fusion and it seemed to fix the data issues. i dont know why that fixed the data connection as i already tried that modem but i like the results

[Q] I lost my 3g connection after flash SC 2.9

Hey guys!
Sorry for the endless posts. I just flashed superclean 2.9 for froyo and now I have no 3G connection, only wifi. When I pull down the notification bar, it shows Mobile Data is on, but...it's not.
Is there any solution for this issue? I have tried *228 and 2 several times; at first time, it worked for a while, but it disappeared soon.
Just for sure, My original modem was EA28, so I have flashed DL09 when I flash SC, and now I flashed DJ05. Everything works perfect, but still no 3G connection. I'm so frustrated :-( If I go to Verizon guys, then they must be like it's my responsibility. What am I suppose to do?
Thanks!
Others experiencing the same issue have found that activating another phone and then re-activating their fascinate helped restore a data connection. You can try that or if you decide to take it in to verizon just make sure you flash back to a stock unrooted rom and they shouldn't have a problem with.
Sent from my Droid using Tapatalk
I'm not sure, but is S.C 2.9 made to run under a modem less than dl09?
yeah but dj05 is also eligible to use SC rom.
Sent from my SCH-I500 using XDA Premium App
why don't you use the eb01 modem?
Had to restore to stock and go to verizon. They couldnt figure it out. I said it just updated and since i had lost data. Replacement came in the next day.
Sent from my SCH-I500 using XDA App
You need the DL09 Modem for SC 2.9. My 3G works fine though, even worked without the DL09 modem, messaging wouldn't work right without the DL09 though. At least that's all I noticed not working properly.
Did you clear data and cache and such before flashing to the SC? Have you tried it again? Still running the stock kernel?
I had the same problem, but I was on stock, no 3G at all, called Verizon, they sent me a replacement at no extra charge. Now my 3G works fine.
I've been having the same issue, but i got it back after turning on&off my debugging & my wifi. it's take a few minutes thou
hope that helps!

[Q] can you?

i heard that DL09 modem/baseband was the best. this is my wifes phone and shes running SC 2.9.2 voodoo. shes been having a hard time recieving phone calls. say 1/5 calls would go through. rest of the time it would just ring ring then to voicemail. is anyone having similar problem and is DL09 compatible with SC roms with voodoo?? this is my only last resort. thx for the help anyone.
I had the same issue. All is fine on the DL09 modem. Just flash it using odin (pda) no wipe is needed and it takes :27 seconds.
good day.
. thx! for the quick reply
Yup. I just installed DL09 modem with the froyo roms and am having no problems. ...better reception so far
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I love the DL09 modem, but I have ONE issue with it. EVERY reboot, it will RESEND RANDOM (yes, TOTALLY random) text messages to random people. Anyone else have that issue? I'm on Superclean 2.9.2 Voodoo. It's really odd. I flashed the EB01 modem back, though I never really had issues with that to begin with.
I can't seem to find a link for the DL09 modem, anyone have a link for it?
Link containing the DL09 modem, as well as kern and rom but all separate.
Radios ought to be stickied to keep them from falling to far back out of sight.
http://forum.xda-developers.com/showthread.php?t=894126

[q] wifi issue

I'm experiencing constant WiFi dropouts on my atrix currently running latest radio 01.92.00 on att model in Australia. I have changed several Roms gladiatix, ginger blur etc. and i still have exactly the same problem, does anyone know how to fix this?
There is no fix yet. You can try all of the different solutions posted here and it will not help.
Sorry for the bad news.
Sent from my MB860 using XDA App
The only thing I can this of is flash back to stock and re-root. If that doesn't help I would get everything Root related off the phone and take it in to get it looked at.
http://forum.xda-developers.com/showthread.php?t=1058260&highlight=wifi

[Q] Stock Vibrant rebooting and dropping signal

Hey fellow xda members,
I have to check out my sisters vibrant this weekend.... (she is so not tech friendly)
Its her 3rd vibrant and all had same issues... Rebooting, dropping signal and data and the whole not sending sms and mms messages.... She talked to tmobile and they had no clue and essentially gave up on her....
What are my options to trying to get this working for her. And/or what can/should say to T-mobile about resolving this issue... They offered her an exchange at one time but it was a very low end phone... Not a good deal if u ask me..
1. Tried rooting on her first phone-wasnt successful...(i didnt root it so not sure)
2. Possible bad kernel or radio causing these issues... Hard to believe that 3 phones .
3. Still running stock software as tmobile told her not to update phone to latest software . (she did that with her 2nd phone and same result)
4. Could rooting and a finished rom resolve some or most of her issues?
(I have had several android phones and all were rooted so i know)
5.... CLUELESS....
Well if your trying to update your phone to froyo id recomend you to flash a custom rom from the vibrant developement if you dont know how to root your fone download the vibrant toolbox on your pc and it has like 10 steps (all of them are in order so you wont get confused and since your phone its not rooted theres and option that says ROOT YOUR PHONE start from that step.. click on that box and it tells you the steps and what you should do but you must have usb debbugin ebabled
Sent from my GT-I9000 using XDA Premium App
Naw its all good I know how to root just not too sure if a custom rom would correct the issues she is having.
Sent from my LG-P999 using XDA App
Try it if its still the same go to SETTINGS, WIRELESS AND NETWORKS, MOBILE NETWORKS make sure that the USE PACKET DATA box is checked and if motbtry to contact one of the devs one of them could be WHITEHAWKS or somethin lik that... they are gona tell you what to do
Sent from my GT-I9000 using XDA Premium App
Odin to 2.1 then d/l rom manager then root then get Biwinning or Trigger or ZenDroid all are Froyo roms all will resolve you problems
The problem you are having is a result of human action......... the chances of 3 phones all having the same problem is like winning the Lotto.......
Human action I love it!!!! Lol will show my sister that. . Lol
Sent from my LG-P999 using XDA App
I went over to my families house the other day and my sister said, "look its doing it again". When I looked over the phone was shutting down and rebooting. I asked her if it did that alot and she said it had just started in the past few days. She did not mention dropping data connection or having problems with sms or mms. A while back I rooted her phone and added MobileAP but that is all. Everything else is still stock and no official updates were applied either.
My plan is to backup all her stuff this weekend and flash something onto it. I told her we would find a good stable ROM for her and some theme options she would like and just do it all on sat or sun. I'm not sure if that is gonna fix her problem as I wanna believe its a hardware defect but she doesn't wanna exchange it just yet and I'm done arguing with her. If that doesn't werk I told her we would have to put it back to stock and call T-mobile. That's our plan, hope it helps on ur decision. Good luck!
@kawika thanks it didnt help lol
Im going to root her phone and install Iunno looking at a 2.2 rom maybe...Trigger rom.
I cant believe that three phones later she has same issues.. Specially since her hubby and daughter have a Cliq xt and have better reception then hers...
? do i need to install a new modem/radio as well as flashing rom? And how do I know which is the right one?
twiztidnutzzzzz said:
@kawika thanks it didnt help lol
Im going to root her phone and install Iunno looking at a 2.2 rom maybe...Trigger rom.
I cant believe that three phones later she has same issues.. Specially since her hubby and daughter have a Cliq xt and have better reception then hers...
? do i need to install a new modem/radio as well as flashing rom? And how do I know which is the right one?
Click to expand...
Click to collapse
And you stated in the OP, she is on stock software. For sure? The rebooting when signal dropped low was a bug in the services.jar of our initial i9000, android 2.2.1 ports. This was of course patched by Eugene373 with further work by birgertime (and some fumbling by myself) in the official ports of 2.2.1 for the Vibrant. If she is definitely on stock software with no mods though, then that doesn't apply, but was my first instinct.
Most roms we have out now, with the exception of GingerCloneR3, come bundled with modems. They are most likely the modem that the rom chef/dev likes the best, but you can always flash a new modem on top of a custom rom. Different users in different areas have different results with different modems. Gotta test them to see what works the best for her.
Flashable modems are all here, courtesy of scrizz: http://forum.xda-developers.com/showthread.php?t=868774
Those can be flashed over any rom, just make sure you grab a 2.2 modem for froyo, or 2.1 for eclair respectively.
You might want to start with running Odin to flash her back to stock software, and then go from there. If you are going to do that, I recommend a modded Odin package by Eugene, available here: http://eb-productions.proboards.com/index.cgi?board=samsungsgs&action=display&thread=3 . Its stock-ish JK2 Froyo for the Vibrant, already rooted, with superuser and busybox, and modded 2e recovery so you can easily flash and install Clockwork Recovery if you choose to do so. That file is my go to, when all else fails and I need to get back to stock.
Good luck with your endeavors, hope some of this helps.
she is def on stock 2.1 for sure.!.
thanx... will keep yaz informed heading on the road now.. b there in 5plus hours
This sounds very familiar to problems my Vibrant was having. It turned out to be a flakey SIM card. I went to my local T-Mobile store and they swapped it for a new one at no charge. That fixed all of my SMS & connectivity issues. It might be worth a try, it definitely wouldn't hurt anything to get a new SIM card put in.
Lol she had one replaced as well and same issue..
Sent from my LG-P999 using XDA App

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