Samsung Captivate :: Signal Randomly Goes To No Service
Aug 7, 2010
A few minutes ago my signal just showed no service for the second time. It was totally random, just like the last time and I don't think it's an AT&T problem because I was stationary in my house, where I've never seen this happen on my past devices. (Happened a few times on the iphone, but it only showed searching for about a second, then it came right back). On the Captivate it will show no service and won't come back until I reboot the phone. I'm not in a fringe service area (usually have 3 bars of 3g). Has anyone seen this happen on theirs? I'm trying really hard not to return it, but some of the bugs are getting pretty annoying.
I'm going to install CT Scheduler and run a reboot every morning. If it happens again, it may be going back...
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Jul 22, 2010
Has anyone else experienced trying to wake your phone from sleep only to find it has been powered off? Strangely, this did not happen the first 2 days, but started after charging the phone fully for a second time. Could this any way be app related? I've only downloaded a few so far such as ATK. I checked my phone right after writing this, and what do you know, it turned off....
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Aug 5, 2010
Bought the Captivate on launch day. I had problems with the battery, phone restarting by itself, buttons at the bottom would not register when pushed. Took that Captivate back yesterday and exchanged it for a new one. The new one I got works much better. Little to no lag, buttons are working properly, and the battery is much better. Used it until about 3% of battery was left then put the charger in. Fully charged by midnight, unplugged it and went to sleep. Woke up this morning to find out the phone shut itself off last night. I woke up and tried to check my emails but the screen would not turn on. Held the power button and the phone turned on as if it was just starting it up. I bought my phone from a authorized AT&T reseller so I'm hoping they'll let me exchange it for another one again.
I called Samsung tech support but they weren't much of a help. They said I can send it in for repair or take it back to where I got it for another exchange. My phone is not rooted and not tampered with in anyway. I downloaded all the same apps for it which were only about 6 so far. The only new one I did download was one of those Sense Digital Clock ones and put the widget on my home screen. Other than that the phone is set up just like my previous one. I deleted the Sense Digital Clock app so maybe that was the culprit? I really do not want to take this one back again as the one shut down is the only problem. I'm going to wait a couple days to see what happens. My 30 days are up on the 17th so if it keeps on shutting down I'm taking this one back.
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Aug 10, 2010
Does anyone know why my GPS icon on the top toolbar of my phone would be running randomly? I have no apps running that would require it to come on and the only way to get it to turn off is to power the phone down and then turn it back on. It doesn't bother me.but I do believe it is running my battery down faster then normal.
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Sep 25, 2010
Ever since I've updated my phone shuts down randomly. Maybe once every other day, sometimes less. It would be a huge issue but my phone is also my alarm clock for getting up for work at 4am. I don't have any app killers, or battery savers installed. One thing I did notice POST update was, when you go into the running applications menu. The uptimes on the system apps seem to indicate the phone shuts them down to sleep or something. Several times Ive noticed, that even though my phone has been on for several days, the system apps have been running for 5/ 8 hours.
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Oct 23, 2010
There seems to be a solution for the random shut-down problem with Captivate: Captivate Keep Alive app. This was just posted, and it really seems to work! Give it a try. So far I've been up for more than 24 hours without a shut down event.
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Sep 6, 2010
No sound from the speaker, just randomly happened. Rebooting doesn't work. I have not rooted the phone.
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Sep 24, 2010
My notification volume always seems to be adjusting by itself. How do you stop it? It can be my notification volume for gmail, text, meebo, or the notification volume in general. Is it something that I am doing that causes it to lower? or is there a way to lock the volume?
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Nov 30, 2010
My phone shut off randomly for the first time this morning luckily it didn't shut off early in the morning as I use my captivate as an alarm clock for my 8 am class. Anyway, I was just wondering if I should be worried? I've only had it for two weeks so I can still get a replacement phone but up until today I had no severe problems. Gps worked fine, battery life was good. I do experience some lag at times. For example, I'll click on messages and I'll have a black screen for ten seconds until my messages come up. Just wondering if I should be worried since it shut down for the first time if I end up having to get a replacement phone I feel like I'll only have the same problems since this is a common problem. I don't want to have to get an iphone, to be honest, I played around with it at the apple store the other day and I wasn't impressed. The captivate has so much more features and the home screen on the iphone just bores me. But the iphone works straight out of the box.
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Aug 23, 2010
Is there an app that will randomly change your home screen and wallpaper to a different one at some pre-determined interval, say every time the phone restarts? There are so many cool looking home screens and wallpapers that I can't make up my mind. It would be nice to select a bunch and then have them randomly selected every restart or specified interval, kind of like shuffle on a CD player.
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Jul 16, 2010
My soft keys at the bottom randomly go crazy, either the home key or back key will start flashing and vibrating and and exit whatever im in the middle of doing then it will stop, it does it randomly, but its really annoying, I wonder if I just got a defective unit?
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Sep 16, 2010
Hey everyone, I'm sort of new to this but I figured I'd give it a shot to see if anyone might have an answer.
This happens fairly frequently actually, but I'll be in an app (any app - it's not really particular) and sometimes it'll just randomly shut me out of it and return to the home screen. As it does this, the home button blinks and vibrates incessantly until I hold down on it - at which point it brings up a sort of mini-list of six apps (the last six apps I've opened, I suppose). Once I clear out of that list, then the phone resumes working normally.
I initially thought it had something to do with the memory and running too many apps at once, so I downloaded Advance Task Killer and run that occasionally...only to find the same problem occurring, sometimes RIGHT after I kill all the apps.
Has anyone else had this happen? Can anyone help me out?
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Jul 23, 2010
I am considering getting the fascinate (Verizon's version of the Galaxy S) but had been hearing that Samsung has weak radios and the reception is bad.Any truth to this? How has your signal/reception been?
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Jul 26, 2010
I couldn't help but notice that the signal strength of my new Captivate was kinda weak. Holding it side by side to my brother's iPhone 4 I had three bars (usually 2), while my brother has a full five bars. I know it can be any number of things, but I feel that it's probably something like the GPS, where it needs some sort of fix.I was just wondering if anyone had a similar problem, or have any ideas of how to fix it.
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Aug 24, 2010
I just traded in my Captivate earlier today, and maybe its my imagination, but I think my signal strength is weaker than the last phone. Maybe It just needs to warm up, or maybe I've elevated the last phone in my memory, but I seem to be getting less bars, even in open areas.
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Aug 20, 2010
I just rec'd my captivate. Now, I've lived here all my life but still get confused going downtown. anyway, I voiced searched the hotel and the google found it on the first try. It navigated me all the way there with 100% accuracy.
The only issue is that when I took it away from the windshield area, to make a call, it lost signal. I didn't have a good place to put it, at the time, other than the dashboard - but it worked great.
I'll try it out again today & update.
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Aug 6, 2010
I mostly use wifi at home and office so I usually turn the 3G off using APNdroid and Smartbar. When I needed to use 3G on the street, I used APNdroid and Smartbar too. But there is just a grey 3G signal on the notification bar. I have to turn the phone off and turn it on to have 3G signal.
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Nov 4, 2009
I want to reach out to others here before I take my Moment back to Best Buy to exchange it for another Moment.
My signal strength fluctuates wildly just sitting in the same spot. With the Hero I got a constant 5 of 6 bars, but the Moment will vary between 0 and 5 of 6 bars. But it's more complicated than that.
It seems that whenever the EVDO data kicks in, it causes the signal strength to drop to 0 or 1 bar. Once the data is idle, the EVDO indicator turns grey and then changes from EV(^v) to EV(D). At that point the single strength will return to 3 or 4 bars.
At times, though not as consistently or often, the EVDO connection will fall back to 1xRTT and will switch between them every few minutes. This will occur even when the signal strength bars are in the 3 to 4 range.
So, the my questions are...
Does the signal strength apply to the data signal or just the voice signal?
Is there any legitimate reason for the signal strength to vary wildly like I've described, even when sitting in the same recliner where the Hero had a constant 5 bar connection and data service that never wavered?
Is anyone else having signal strength and/or data service issues?
Should I exchange the Moment for another Moment or will I likely experience the same issue?
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Nov 17, 2010
I noticed I was getting barely any reception after flashing cognition 2.2 so I used Odin to change back to stock. I still get barely any reception no matter where I go, and I'm not sure what the problem is. Any help would be much appreciated.
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Jul 19, 2010
I just got the Captivate this weekend and I'm noticing at my house i am getting poor signal strength. It runs anywhere from around -100 to no service what so ever. I have been on AT&T for years and have had no trouble with my blackberry that gets around -75 to -80.
I bought the nexus one and had the same issue with that phone so i sent it back thinking it was a hardware issue.
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Jul 19, 2010
I had 1.25hrs of talk time use 60% of my battery. Not a good sign. Also, the reception has been very unstable, wavering between 1 and 3 bars all over town. My cheap Nokia go phone I was using had 4-5 bars everywhere. The wi-fi signal appears to show less bars than my other phones.
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Jul 28, 2010
My signal at work is about -100 dBm on average, funny thing is the bars go from 0 to 4, they just randomly bounce around every 10 seconds or so.
anyone have a solution to the bars moving? I thought the X was supposed to have better signal than the Dinc i just took back, but it looks like it doesnt, it just tries to say it does with the higher bars.
The incredible was getting between 97-103 dBm just like the Droid X.
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Aug 3, 2010
So I got my phone a week ago or so and it just now started having problems with the GPS and randomly shutting off as well as the battery life being drained within a couple of hours from fully charged. Im guessing I should exchange my phone for a new one within my warranty period. Do I need to bring the original box and everything along with it to exchange it?
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Jul 26, 2010
I'm finally getting an update on AT&T, and making the switch from the first gen iphone to the Samsung Captivate. My question involves the GPS service on the phone. As i understand it AT&T has an additional fee to use the GPS navigator. What I don't understand is whether or not this fee is to use their GPS program, or for the GPS service itself. For example, if I used Google navigator, or some other app, would I still get a monthly fee? This is my first Android, and first phone with GPS, so I'm still a bit unclear on the concept. Also, years as an Apple/AT&T client has made me distrustful on what I'm paying for. I would greatly appreciate expediency on this, I'm planing to pick up the phone tomorrow, and would like to have a clear idea by then.
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Oct 21, 2010
My house is in a good att coverage area but both of my new captivates are getting horrible reception.Tried software updates ota.Is there anything else i can try?
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Aug 4, 2010
I am closing an AT&T family plan and changing it back to one line. AT&T obviously wants to charge me for early cancellation unless I can find someone to transfer the second line to. They said it can be ANYONE. The perk for you is that you would NEVER have to have a contract. They will send me a new sim card, which in turn I would send to you. You would be responsible for getting your own phone. Once you have that, all you need to do is call AT&T and tell them what service you want. Again, best part is no contract.It's called TOBR (Transfer of Billing Responsibility.)
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Oct 8, 2010
I'm trying to write a Service which sits and waits for SMS messages (using a BroadcastReceiver which the server registers) and will take some action depending on the details of the SMS message. I use an Activity to startService() and stopService() for the Service. After I close the Activity, the Service continues to sit there with its state kept and its BroadcastReceiver waiting, as it should... However, I find that over time, randomly, the Service will restart itself. That is, onCreate() and onStartCommand() will be called even when the Service has already been started. This happens sometimes when my phone sits idle overnight...
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Sep 28, 2010
According to a forum post on Android Central, the Sprint Epic 4G has been experiencing battery drain due to a DRM service running in the background that the Captivate also has. They say, kill the service, save your battery:
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Jul 27, 2010
Edit: Well, it looks like I found what the problem was. Apparently the time without signal being stuck at 50% is a known android bug that a lot of phones have. Tried the fix posted at the bottom of this thread FWIW: New LG Ally has 50% Time Without Signal Bug
and it seems to be working for me, phones been on for 10 minutes and my time without signal is reporting at 0%
Original Post. Am I just not understanding what it means? I looked at the cell standby information about an hour ago, and I panicked when I saw that it said the phone had been on for 1d 5 hours since I turned it on, and the time without signal was 50%.
I rebooted the phone to get a fresh reading tomorrow before running back to the at&t store to get my money back, and after the phone had been on for a few minutes I went to check the info again, and saw that the phone had been on for 8 minutes, and the time without signal was 50%. Now service isn't amazing in my house but I generally get 3 bars at my desk, with it fluctuating between 2-4. If I pick it up and hold it, it'll drop to 1-2, sometimes losing signal completely very briefly (thank you antenna design). But, the phone had been sitting on my desk untouched, so it seemed really strange to me that it would have been without service 4 minutes out of the 8 it had been on.
Went into my display settings and set the display to stay on for 30 minutes, and have been sitting in the phone status screen now watching the bars (going between 3-4 now for the time I've been watching it) and the signal strength (going between -97 dBm 8 asu to -81 dBm 16 asu). I haven't been sitting here staring at it, but I've been glancing at it often enough that I feel confident in saying that the phone has not lost signal in the last hour. However I can go into the cell standby details screen right now, and it's reporting the Time on as 1 hour 9 minutes, and time without signal.....50%. Am I missing something, is it trying to say that it's been without signal for 30 minutes of the last hour, or am I misunderstanding what "time without signal" means (though it seems pretty straightforward).
Anyone else noticing this on their phone?
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Oct 18, 2010
Can a new theme change how good your signal is? Ever since i changed my theme my signal has been jumping up and down. It could be just the crappy building I work at.
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