[Q] Random network disconnect - Captivate Q&A, Help & Troubleshooting

Hi all, recently I tried to install some 2.2 ROMs on my cappy, currently I'm on 2.1 stock (jf6).
I tried Axura 2.2, Perception 8, Cognition 7, Killer23d's Doc_V4 Final XXJPU + JL3
All of these had UGJK3/4 modem, or in case of last one - TLJL3 modem.
On all these I get the same issue - like 8 times a day my phone is disconnected from network (looks like airplane mode, but it's not, since from the state i'm getting i can't get to airplane mode on, it's busy forever changing state to on)
The only way to reconnect is rebooting...
Anyone had issues like this? Had the fixed?
Thanks in advance,
Dima

Yeah it happens to some of us--don't know why. The only fix I've found is to have the rom/kernel/modem captivate based. Here's a thread that has some options that might work for you...
http://forum.xda-developers.com/showthread.php?t=864903

Its a known issue with jk3 and 4 roms/modems. Funny thing is it only happens to some of us, not all.
I'm using Cog 2.3b6 because it was the last jj4 rom, no issues at all.
Sent from my SAMSUNG-SGH-I897 using XDA App

Related

[Q] bell galaxy s UGJG9 vs. UGJH2 differences

Hey guys, my samsung galaxy s has the UGJG9 firmware installed. was just wondering what the difference is between that and the latest one?
New JH2 + SPL fix
Samsung Mobile Canada Thank you for your continued patience on the three-button reset issue. Your feedback is important to us and we are pleased to provide a resolution for Bell Mobility’s GT-I9000. Please find full details posted in the link below.
Samsung Galaxy S Vibrant (GT-I9000) Software Upgrades for Handsets with Original Production Software
A software upgrade is now available for Bell Mobility Galaxy S Vibrant handsets, provided the device has original production software (JG9). The latest version of Kies has been tested and will resolve the three-button recovery issue. Please note, this solution is for Canadian devices only....
By:Samsung Mobile Canada
Click to expand...
Click to collapse
http://www.facebook.com/samsungmobilecanada
Apparently they released the JH2 again but including a SPL fix, so people already on JH2 will need to flash back to JG8 or something, then flash forward to JH2 again to get the new SPL fix
I got JH2 the other day. Yesterday my phone was going retarded, freezing and losing signal when it never had before. Seemed ok last night and today though I haven't spent much time with it today.
GPS was totally out of whack last night, sitting still and my location was jumping all over the place. Google navigation is unusable. Checked compass in GPS essentials and it was fine but in nav it just spins around and can't get it right.
Youtube widget changed. Now shows most viewed on the main bar but video and search buttons are not functioning properly. Right now it only shows the search button. If I search or launch youtube then go back the video button will be there but neither thet nor the search button will work. Wish I had just left it alone.
did you get the update with the spl fix?
and was your 3 button mode working for you before?
if not does it work with the new update?
lol so many questions... and thanks for the replies and the update on the firmware.
Just update dude. Everyone is experiencing various issues regardless of the firmware. I run 3 to 4 times a week using endomondo and the GPS tracks my route almost flawlessly. A few hitches here and there but nothing horrible.
My 3 button combo wasn't working at all and I was already on JH2. Had to do the registry trick to get Kies to flash the new JH2 on my phone and now it works. Upgrading to the new JH2 is the best choice to make, especially if you have plans on using a few mods.
I highly recommend the battery mod available on this forum after you upgrade. The SGS stock battery indicator is horrible and inaccurate, and I rather not waste my homescreen space on a battery widget.
Ya, did the update a few days ago. Three buttons work now and my gps doesnt think im in japan anymore (ya it was that bad) anyway definitely worth the update.
Sent from my GT-I9000M using XDA App
My 3 button mode worked before the update, I haven't tried it since. I haven't rooted and not sure yet if I will, will see how official 2.2 goes first.
Still losing signal though. Yesterday the girlfriend tried to call me and said she either got a busy signal (WTF) or it just went straight to voicemail.
Today I tried to make a call and had to redial two or three times because it kept losing signal. Def a problem with the phone and not anything to do with reception in my area. Only phone calls though, never lose signal when using data or market ect.
Guys, I'm a bit dense on this subject so please be kind.
I have JH2 on my Galaxy. I can't remember if I updated to this version via Kies.
So far, the 3-button recovery problem has not affected me. I haven't rooted Android (since I don't need SU rights), I haven't yet unlocked the phone (no need) and I haven't attempted any Android system updates. I guess I could be called an average user. I haven't tested the 3-button issue.
What circumstances could arise down the road, which would make it necessary for me to do a 3-button recovery? In other words, is this a problem which could affect all Galaxy owners?
Thanks.
androiderer said:
Hey guys, my samsung galaxy s has the UGJG9 firmware installed. was just wondering what the difference is between that and the latest one?
Click to expand...
Click to collapse
I updated to JH2 prior to the SPL fix inclusion and found it to be better than JG9...smoother and less lag issues. Just make sure to backup everything.
My phone is still on jg9. It never had the three button issue it always worked for me. If I upgrade to jh2 how will this affect me?
Sent from my GT-I9000M using XDA App
MaestroSeven said:
My phone is still on jg9. It never had the three button issue it always worked for me. If I upgrade to jh2 how will this affect me?
Sent from my GT-I9000M using XDA App
Click to expand...
Click to collapse
if it was working, it will continue to work
if it was NOT working, it will now work
TheChancellor said:
Just update dude. Everyone is experiencing various issues regardless of the firmware. I run 3 to 4 times a week using endomondo and the GPS tracks my route almost flawlessly. A few hitches here and there but nothing horrible.
My 3 button combo wasn't working at all and I was already on JH2. Had to do the registry trick to get Kies to flash the new JH2 on my phone and now it works. Upgrading to the new JH2 is the best choice to make, especially if you have plans on using a few mods.
I highly recommend the battery mod available on this forum after you upgrade. The SGS stock battery indicator is horrible and inaccurate, and I rather not waste my homescreen space on a battery widget.
Click to expand...
Click to collapse
how do you do this hack, i wanna put my bell rom back on the phone, i flashed to 2.2 froyo and wanna go back to bell rom now.
please link me
hansonator said:
My 3 button mode worked before the update, I haven't tried it since. I haven't rooted and not sure yet if I will, will see how official 2.2 goes first.
Still losing signal though. Yesterday the girlfriend tried to call me and said she either got a busy signal (WTF) or it just went straight to voicemail.
Today I tried to make a call and had to redial two or three times because it kept losing signal. Def a problem with the phone and not anything to do with reception in my area. Only phone calls though, never lose signal when using data or market ect.
Click to expand...
Click to collapse
I havent been able to update to JH2 from JG9 (trying to use kies but thats a prize in itself) but I have in the past gotten where I would try to call, and as the call dropped while still dialing it would tell me the radio is off. Or it would tell me im in airplane mode etc.
Now for the last 24 hrs I have yet to be able to make a call, although datta and texting works perfectly fine, every time I make a call it says my radio is off. And the same problem when someone calls, they are lucky if they get a fast busy signal.
Im talking with bell to get a replacement in store, if not I have a 'insurance' plan that'll give me a loaner etc while they ship it out.
Any update on whether your phone is still dropping into Flight mode?

JK3 modem, loss of all reception, drains battery, requires a reboot

So, right now I am using the Axura RC1 CE (I will update later), but I have had the problem described in the topic on various other ROMs using the JK3 modem.
It works fine for a few days (time is random, I have not been able to manually reproduce the issue), then randomly I lose all reception. Switching to flight mode fails, it gives no error, it just does nothing, in the notification bar it just says (searching). I have to reboot the phone to get the phone functioning again.
Anyone else experiencing this on ATTs network, or if there is a fix, I spent the last hour searching and going through the various threads to no avail (or I just suck at searching)..
Did you try the Axura thread?
Sent from my liberated Captivate via XDA App.
I'm having the same issue but I've tried Assonance as well and still get the random no service. Tried different i9000 modems as well--anyone know if its safe to use a captivate modem??? I'm guessing no but just want to know if anyone has tried it without borking the phone.
derek_h77 said:
I'm having the same issue but I've tried Assonance as well and still get the random no service. Tried different i9000 modems as well--anyone know if its safe to use a captivate modem??? I'm guessing no but just want to know if anyone has tried it without borking the phone.
Click to expand...
Click to collapse
I'm having this same issue as well, that's why I've tried to stay away from the UGJK3 modem, however, it's seems every custom ROM is starting to use it
As far as using a captivate modem with an i9000 ROM, I've tried that also, while it didn't totally brick my phone, I did get random FCs. I've read that is a dangerous path to go down.
I feel the same way. I might try the CogKernel and see if that helps...
Please, please, PLEASE do not post these types of things in Development.
Sent from my Captivate.
+1 Lets keep this forum area clean .. its just for development stuff guys.
I have had the same issue with all I9000 modems, the only fix that has worked for me is to enter the service menu and force WCDMA 850 Band only. Also, questions should be posted in the question forum.
[this thread is pretty relevant to development - considering the rom chefs are using this modem in their releases and it has a potential major flaw. if the mods find it better to be in Q&A, then please move it - otherwise, i think the right eyes will see it here]
yes, yes and yes!
ive been posting about it in the perception thread, but no one (save for 1 user) chimed in with the same issue.
we both noticed that we both have an issue where we will bounce from 3G to H and back fairly often. this leads me to believe that it could be part of the problem.
i just odin'ed back to stock because my phone isnt receiving incoming calls now.
what i had planned to do was flash the latest perception but use a different modem... but it seems like the only sensible modem is the JK3 (although there is word on the street a new one just leaked?). so that idea is kind of out.
someone here said they were going to try cogkernel2, but i was on setirons and cogkernel2 and it happened with both. it seems to be a modem issue.
i wanted to lock the phone to use 3G only to see if that would help, but no one shared a way how... but reading this post it seems i can do it from the service menu - though i dont know exactly what to set/change to keep it only on 3G. (any help would be great).
so i believe im going to flash perception 8 and see if i can lock it into 3g mode and go from there. this is getting pretty tiring. im hoping if a new modem releases that will help, but i honestly am not sure i can wait since it is making the phone unusable.
below are my posts from the perception thread on the issue.
--
keener31 said:
i searched but did not find...
i see others have had issues with APN force closing. i do as well, but assuming that isnt a problem, i dont mind.
my issue is that after a certain period of time left asleep, my phone will completely fall off the network. changing flight and data mode dont work, nor help. a restart works. this has started a day or two ago, but was not an issue for the first week (give or take). if it is relevant, my network constantly swaps between H and 3G where i live.
i have not found a setting to force 3g (and disable hsdpa) as i figured it was the network hopping that was doing it. am i just missing that setting? anyone else with this issue? (again, i saw people with the apn force close but not complete loss of network unrelated to initial flash)
also, i think that each build should get its own thread. it is VERY difficult to find accurate information on the current build once a thread has 4 builds and 250 pages in it. even with search, it would still be a good idea.
thanks and thanks.
Sent from my SAMSUNG-SGH-I897 using XDA App
Click to expand...
Click to collapse
keener31 said:
anyone having this issue or have any ideas?
of note: going into wifi settings is also borked. it will eventually time out and FC. i also think that the times my phone has completely lost network and not reconnected have happened more often when charging. but that could be coincidence.
(mobile)
sghi897-perception b.5
Click to expand...
Click to collapse
this continued the same way on perception7 with cogkernel2. no real difference.
Ryukeima said:
I have had the same issue with all I9000 modems, the only fix that has worked for me is to enter the service menu and force WCDMA 850 Band only. Also, questions should be posted in the question forum.
Click to expand...
Click to collapse
in relation to my post below yours, does locking the 850 band only force the phone to use only 3G, or is HSDPA/HSUPA still enabled but you found the 850 band to be more stable.
this is what my next attempt will be to get a solid platform going.
I've tried different modems other than jk3 and it doesn't fix the problem. Stinks that you've used Cogkernel2 and it doesn't help. I also tried the different band selection in service mode and it also hasn't help me (apparently this worked for some people). If you want to give it a shot do the following:
1. Dial *#0011#
2. menu button then soft back key
3. then phone control -> network control -> band selection
4. good luck!
derek_h77 said:
I've tried different modems other than jk3 and it doesn't fix the problem. Stinks that you've used Cogkernel2 and it doesn't help. I also tried the different band selection in service mode and it also hasn't help me (apparently this worked for some people). If you want to give it a shot do the following:
1. Dial *#0011#
2. menu button then soft back key
3. then phone control -> network control -> band selection
4. good luck!
Click to expand...
Click to collapse
ugh. that is disheartening. i will try the band lock, thanks.
can you confirm or deny that when you notice your phone goes completely out of service that it has been hopping between 3G and H? it would be interesting to see if we all have that issue as part of it.
also, fingers crossed for that supposed new modem.
/sigh
Yeah this really sucks because these roms are great with this one very big exception. I haven't noticed the hoping before I need to reboot. I have noticed that if I switch into airplane mode once I drop service I can't turn it off.
I had the same issues with Axura and Percetion. I found that switching my network control to WCDMA 1900 only pretty much fixed it. The only problem I had after was that any time I lost service naturally, ie, bad area, or shielded rooms, whenever I came back into a good service area I could never get a signal again. So I would have to reboot.
In the end, I'm back on Cog, 2.3b7 and no issues for about 14 hours now.
bobbylx said:
I had the same issues with Axura and Percetion. I found that switching my network control to WCDMA 1900 only pretty much fixed it. The only problem I had after was that any time I lost service naturally, ie, bad area, or shielded rooms, whenever I came back into a good service area I could never get a signal again. So I would have to reboot.
In the end, I'm back on Cog, 2.3b7 and no issues for about 14 hours now.
Click to expand...
Click to collapse
gotcha. keep us posted on how that turns out!
glad to hear that that version of cog seems to fix the issue. which version did you get--oc or non-oc?
derek_h77 said:
glad to hear that that version of cog seems to fix the issue. which version did you get--oc or non-oc?
Click to expand...
Click to collapse
I'm using the non oc. I'm not gaming or doing anything too wild with my phone so non is just fine for me.
hmmm, makes me think that's the issue then. most of these roms have kernels that have the oc feature.
hey keener, did you have the oc version of cog?
derek_h77 said:
hey keener, did you have the oc version of cog?
Click to expand...
Click to collapse
sadly ive been running non-OC this whole time, so that doesnt appear to be it :/

Perception Q&A

Hey Guys I put together a Q&A thread for this rom to prevent tons of new threads about rom Spicific questions from new users.. Please feel free to post any questions here.
As Aslways there is no Flaming, name calling or the such.
No question is too noobish, But please look for your answer first.
Now for the info needed to help. In your post make sure to included the version of the rom you are using, modem, kernel, ext...
Also please give it some time for your question to be answered.
is there an easy way to get the rotary lock screen on perception?
Has anyone else had trouble getting FB contacts to sync with their phonebook? I've been trying non-stop for two days now, with full bars and 3G. Anything i could try that might work? I know its possible because i've flashed this same rom before, but its not working this time
Romerception Build 10.3
Kernel: rGB-v.4-Voodoo # 10
R.I.P Perception.
DesignGears has pulled the plug on Perception...see the dev thread. It has been my favorite! But, he's still working on Cog and MIUI.
where can i see pictures of this rom?
isit same like stock rom?
megarific said:
where can i see pictures of this rom?
isit same like stock rom?
Click to expand...
Click to collapse
Here you go. Screen shots in third post.
http://forum.xda-developers.com/showthread.php?t=897538
I have perception 10.1 and its worked great. Except for the fact that yesterday for the first time I tried to play mp3's on it and they wont play. The built in music player tells me it doesnt support this file type. WTF?? Is there a missing codec from the android system or is the music player just messed up?
My only question about Perception: DG, will you please resurrect this ROM?
Sent from my SAMSUNG-SGH-I897 using XDA App
Debug mode
Doesn't seem to be working with perception 10.3. I'm trying to use odin to flash back to 2.1 with no luck. I know this rom is discontinued but if anyone has any advice that would be great. Thanks in advance
I've been reading and romming since Nov. 2010, but not alot of posting.
I have run mostly Design Gears roms. Currently trying Cog4.3 with Overstock kernel because of sleep death. I'm testing Cog for a friend.
I still like Perception better and prob will go back, but the last Firebird Kernel had a bug that wont allow the pc to access the external SDcard. Not really a problem for me, my work around is to use other software to access home network via wifi to move music files on to the external SD.
My question; is there another kernel that works well with perception?
I know DG has dicontinued Perception, is it also true for the FireBird kernel?
The thing I love about Perception is it has the best of everything. HSUPA, Bluetooth worked, Wired headphones worked.
Noteerception 10.4 had Firebird .9, I believe. It had a bug that killed the mic on wired headset during phone calls. Firebird 1.0 fixed the mic bug but has the Ext SD card bug.
I was told to post this here. It was posted in General but now closed.
Fess_ter
Fess_ter said:
I've been reading and romming since Nov. 2010, but not alot of posting.
I have run mostly Design Gears roms. Currently trying Cog4.3 with Overstock kernel because of sleep death. I'm testing Cog for a friend.
I still like Perception better and prob will go back, but the last Firebird Kernel had a bug that wont allow the pc to access the external SDcard. Not really a problem for me, my work around is to use other software to access home network via wifi to move music files on to the external SD.
My question; is there another kernel that works well with perception?
I know DG has dicontinued Perception, is it also true for the FireBird kernel?
The thing I love about Perception is it has the best of everything. HSUPA, Bluetooth worked, Wired headphones worked.
Noteerception 10.4 had Firebird .9, I believe. It had a bug that killed the mic on wired headset during phone calls. Firebird 1.0 fixed the mic bug but has the Ext SD card bug.
I was told to post this here. It was posted in General but now closed.
Fess_ter
Click to expand...
Click to collapse
And then there is the JS5 based perception that never saw the light of XDA Now that was a beaut, but as every other release of perception my keyboard won't vibrate.
How do you OC/UV in perception GB?
With VC not working in GB, I don't know how to OC/UV.
Please post link to instructions if they are available.
I don't mind going into the CPU clock speed files, just want to be sure I change the right files.
Thanks
In the jvb rom, do we have to flash back to stock and re odin the bootloaders all over again or can we just flash p10.1on top of the other kernel (which happens to be continuum)? Thanks.
Perception II Beta Phone goes blank after dialing
Any Idea why I am getting blank screen after dialing from dial pad but not when I choose contacts?
How do you toggle 2G/3G
Sent from my GT-I9000 using XDA Premium App
It seems when using dial pad you get back the screen if you move the phone (which activates the sensor). It seems that is how it is built in. No buttons work simulate movement as putting phone to ear and then back
malicenfz said:
How do you toggle 2G/3G
Sent from my GT-I9000 using XDA Premium App
Click to expand...
Click to collapse
settings > wireless and network > mobile network > network mode
GSM -> 2G
WCDMA -> 3G
Perception II Beta 3, Downloads from the market fail very very often. Happened with Beta 2 as well. Any ideas?
can you put boot animations on? and it wont reboot to recovery. what do i do??
Friend this rom is great! all you can even install TW4! It's great .. I installed the beta 3, all sensational works but when playing a song and then lock the screen, the system crashes and I have to remove the battery to restart it! Any help for this problem?

[Q] Cannot Turn on Wi-FI "Error" How do I fix?

I have a captivate that has been rooted and is on the cognition 4.5 rom. I lost the phone a while back, so I deactivated the service. Then a couple of weeks later I found the phone and reactivated the service. Everything was working fine, except for my wifi. When I would try and turn it on, it would just give me an "error" message. So then i tried restoring to an older backup to see if that would work. Still had the same problem. I then tried flashing back to stock 2.1, still didn't work. Then i updated to stock 2.2, and it still didn't work. Same error message in all instances.
How do i fix this?
Does your wireless router have a button on it to connect a device instantly, that works for me. Also try toggling airplane mode, that also works.
Sent from my blazing fast Captivate running Continuum GB ROM using Tapatalk Pro
No my router doesn't have that button. And I have already tried the airplane mode On/Off. Still getting error message
mellozello said:
No my router doesn't have that button. And I have already tried the airplane mode On/Off. Still getting error message
Click to expand...
Click to collapse
Are you still under warranty? If so take it in for replacement.
Sent from my blazing fast Captivate running Continuum GB ROM using Tapatalk Pro
Its not under warranty. So theres no way to fix this?
mellozello said:
Its not under warranty. So theres no way to fix this?
Click to expand...
Click to collapse
I am not sure. Call AT&T and see if technical support can help you get it up and running. I am not being a jerk, this isn't sarcastic at all, use the search button on this forum and the Captivate General forum. Others have been in your shoes and got it working, I think those threads may help you get yours fixed. Wish I could offer more help
I know sometimes it is as simple as removing encryption from your router or setting up a static ip address for your phone. I am not familiar with these methods but I have read many threads and posts on the subject.
Sent from my blazing fast Captivate running Continuum GB ROM using Tapatalk Pro
Thanks anyway

[Q] Been gone a while - can someone reccomend me a modem? (captivate drops signal)

So I'm fortunate enough to have a captivate that has issues with dropping signal randomly throughout the day (usually no more than once a day, but still...). I see there is some new commotion with 2.3.4 ROMs coming out, but I can't remember if the ROM wipes the modem or not and all that. Anwyay:
What's the best modem to use if you have a phone which has the signal drop issue? And for bonus credit, what ROM to pair that with. I'm running GR-11 at the moment.
They all include a modem. As for which modem/rom will be the best, you really have to test for yourself.
Sent from my HTC Sensation Z710e using XDA Premium App
Thanks - I'll try out one of the newer ROMs and see if the included modem is better or worse and then go from there.
So I flashed 2.3.4 and now have no cell data.......
i was having the same problem and for2ndtwin told me to do this and it fixed me right up.
Restore default APN (Menu> Settings> Wireless and network> Mobile networks> Access Point Names> menu> "Reset to default " ) and then u may have to toggle Airplane mode off.
i also restarted my phone and voila it seems everything is working again
For 2.3.4, jjjv5, xxjvr and bvjjw2 all work pretty good for me. You can find CWM3 flashable for those modems by searching the forums.
I've been having really good success with Dlev 5.0 rom and kc1 modem that comes with it. as the someone else has already stated it's a matter of trial and error. downloading faster fix might help you boost your signal. Once you do you might also flash this. it changes the North America pool to a more specific U.S. pool.
just and idea.

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