IPhone :: 3GS Reception Signal - Reception Bars Fluctuate Between 0-2 Bars At Most?
Jun 28, 2012
I need help getting cell tower reception on my phone. Using China Unicom as Network Carrier. I am located in Guangzhou China (a major metropolis). The problem is not with the SIM Card itself because it has been tested and placed in other phones & it works well. Reception Bars fluctuate between 0-2 bars at most, both in and outdoors.Have noticed these problems since upgrading the phone to IOS 5.0 & now also on 5.1.1. No problem with Wi-Fi Networks. I have also tried Resetting the Network & taking out the SIM Card and putting it back in, but this has not helped.
Info:
iPhone 3GS, iOS 5.1.1, Model MC637ZA Serial 83028W5VEDG
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Nov 1, 2012
It has very poor signal reception among all phone I've ever used. I can never get full bar for wcdma, even in gsm only, the signal bar could drop to zero. Do not say it's a simcard or network provider problem because I had try everything like put my sim card in other phone, try another simc ard in my phone. I even make a comparison with xperia play and the xplay does not have this problem. Today I'm updating my phone with the latest update from pc companion, it still did not solve the problem..
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Jun 22, 2014
After months of no problems my Lumia 1020 is suddenly misbehaving: the cell signal strength is fluctuating all over the place, from no service to 5 bars, sometimes it even switches to Edge. It will stay at a given strength for a while (tens of seconds) and then change.
Some symptoms:
- I'm using it on Straight Talk (AT&T towers), but I see the same thing with a T-Mobile sim.
- The same two sim cards work fine in my old iPhone 4
- It keeps happening as I bike around town, so it's not just an area with weak signal
- A soft reset doesn't fix it.
- I'm running WP8.1 Dev Preview, latest update (I think that's update 3?)
- Everything else works (wifi, bluetooth)
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Nov 9, 2011
what is the difference between the blue 3g and bars and white 3g and bars. always wanted to know
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Aug 15, 2010
Well I have found a way to easily switch your signal bars on your status bar from regular bars to db's and back whenever you want. Well I'm on the latest beta of 4.1 (8b5097d) on IPhone 4 and it does have feild test (maby it's just because I restored from my 3GS but idk). So go to your phone app and then to the keypad. Then type *3001#12345#* and press call, this will put u in field test app. At the top I can tap the bars and it will switch to db's and if tapped again it will go back. So once u tap to change to db's hold the sleep button till slide to power pops up then let go of the sleep button and hold the home button (this is a respiring). Once u do that u can just easily tap the bars or db's and switch where ever you are in your phone. Good luck hope it works on all your phones. And ps you don't need to be jailbroken!
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May 20, 2012
i have an iphone 4s unlocked on ios 5.1.1 and i can not receive no calls or make call
Info:
iPhone 4S, iOS 5.1.1
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Mar 20, 2012
The little 'E' that was next to my signal bars has dissapeared and now i can't send texts, make calls or go on the internet.
Info:
iPhone 4
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Dec 17, 2011
I recently moved to a basement apartment and have trouble with reception - too much concrete i guess. Anyone know a way of boosting reception on a Blackberry Bold to get better reception quality in such a situation?
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Jun 29, 2010
I have been having this problem a lot since I got the phone. If I am out especially in building where it shows good signal it take it forever to load data. text goes through fine but data takes forever. Much slower than my 3GS why is this? Is it my phone or are others getting this?
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Jun 30, 2010
I received my iPhone 4 on launch day via a pre-order. I am very grateful to have it and to have received it while others still try to get one. Anyway, onto the issue. I had signal drop issues from the get go, occasionally even a few dropped calls. Per Apple's statement and other blog recommendations I bought a case to alleviate the issue. It's the Griffin Reveal. It is a nice case too. Last night I noticed low signal bars after a dropped call and realized I was holding it over the left corner. I let go and up went the bars.
I called care. They opened a case # and gave me the same as anyone else. I was told that I needed a bumper to fix the issue, that they couldn't guarentee with any third party case it would fix the issue. I responded asking why I should give another $30 to fix an issue they know about. I asked if I would recieve and email or call to follow up and they said they didn't know. I will follow up in 2 days and let you know. Is this a ploy to just get people to spend more money? 1.7 million sold in three days x $30 for a bumper = $51 million more for.
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Aug 7, 2010
I have been searching for a way to remove or hide signal bars in ios4. I will often have very low bars and keep looking & thinking about it. But most of the time my IPhone 4 works as I need it to. I would like to remove or hide the bars, out of sight out of mind.
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Feb 12, 2010
On my 3GS the signal bars are sporadically cycling down to one bar, then searching, then no service, then back to full 3G bars. All this happens in about the time span of 10 seconds or so. Anyone else have this issue on a 3GS that's jailbreak / unlocked! I've removed the blackrain app off the phone, winterboard and the issue continues to persist.
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May 13, 2012
Some times my phone stops making and recieving calls. It looks like it is working, shows it has signal on the bars, for a while, then they disappear.I have tried hard and soft resets and restoring the phone. Usually if I leave the phone over night it starts working again in the morning so I figured it might have been a carrier issue. I am using GiffGaff but the phone was purchased directly from Apple and is factory unlocked. When this happens, if I make a call it looks like it is about to start making the call, but never changes; If you his the end call button it says Ending call... but freezes like this until you restart the phone or kill the phone app. I have tried my sim in my wifes phone and it works fine, I am unable to try anyone elses as they don't wish me to butcher their sims My phone acted exactly like this once when GiffGaff had issues one weekend, once they sorted their issues it has worked fine since.
I am a good 70 miles or so from a Genius bar and never really wanted to send the phone away in the post, as likely it'd take over a week to get it back, how ever, as my phones no longer functioning as a phone, I guess it isn't much of an issue any more If I could fix this myself I think it'd be great but I have started to get the feeling maybe it is some hardware issue with the phone.
Info:
iPhone 4S, iOS 5.0.1
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May 16, 2012
I have been experiencing too many call failures lately. It seems that I have enough bars. If I do a hard reset, the phone acts better for a short time, then the call failures come back. I have ATT.
Info:
iPhone 4, Mac OS X (10.6.7)
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Jun 30, 2014
my iphone 4s i was using one week, after shuting down signal can't get, it's showing no signal on network bars.change few sim card none of them it's connect. I try with update software 7.1.1, after update still no signal. I activate phone with sim card of t-mobile macedonia. and still searching for signal
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Sep 2, 2014
My iphone 4s was working fine then stopped making calls. It shows 02 as carrier but no signal bars. I swapped out the sim and tried it in my husbands spare iphone 4s and it works fine. I have done a reset 3 times now.
Info:
iPhone 4S, iOS 7.1.2
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Aug 21, 2014
iPhone keeps going from 3G to Edge and then showing no bars. And after I turn off cellular data and put it back on to get back 3G it loses all bars completely and goes to "searching.." and then finally "no network"Â and then I have to manual search for my network. Whole problem starts happening all over after connecting again.
I have an iPhone 5 with latest OS 7.1.2
Info:
iPhone 5, iOS 7.1.2, Carrier: Digicel (Caribbean)
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Jul 21, 2010
Anyone else experience this? I did th sotware upgrade and a few hours later this happened. I tried manually connecting to the network and it wont. T-mobile asked me to send the phone back but there is a major scratch on the screen so they told me my return warranty was void now.So far I have a $400 paper weight. Anyone fix this issue?
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Jan 31, 2012
I was wondering if anyone knows what algorithm is used for the signal bars on the Photon 4G. I have found that there seems to be no correlation between the signal strength (in dBm / asu) in Settings -> About phone -> Status and the signal bars that are shown. Often the signal bars will shoot from 1 to 5 or 6 even with really low signal ( ~97 to > 100 dBm) that doesn't fluctuate.
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Jun 30, 2010
I have been pretty happy with my iPhone 4 up until today but I have discovered a bit of a problem.When I touch the bottom left of the phone the signal drops 1 - 2 bars.It has not been dropping calls but I dont think my phone should be doing this. Is anyone else experiencing this issue?
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Mar 18, 2012
I m having an factory unlocked iphone 4S and i starts losing my signal bars when i take out my phone from case (bumper) and sometimes in case also when i hold my phone with some force its again starts lossing its signal bar Is any 1 having this problem ..?i m having iOS 5.1..!
Info:
iPhone 4S, iOS 5.0.1
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Jun 20, 2012
Signal strength varies from 5 to 0 bars at the same location (home). Drops calls.
Info:
iPhone 4, iOS 5.1.1
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Aug 4, 2010
My battery icon from time to time moves to the left. I've done some search but couldn't find if anyone else is having a similar issue. I'm on 4.0 iphone 4 stock. Jailbroken, Unlocked. I'm not sure if I remember this occurrence before the jailbreak.
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May 8, 2010
I have the Nokia E71 On O2.
When i hang around with my mates, the have normal Samsung Or LG phones and they get lets say 4 bars of signal on O2.
I will be standing with them and i get nothing. I feel like my nokia phone is just rubbish on this part.
Or would there be some setting i need to change for it to work? - Or is the phone faulty?
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Oct 4, 2015
I purchased an unlocked Sony Xperia Z3 yesterday. I placed my sim in it but the phone keeps saying that there is no service and there is currently no bars. When I try to call it says I am in flight mode even though it is off. I had a friend who had this problem but it fixed itself.
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Jun 12, 2012
I am having an awful time loosing cellular data - can't send or receive text messages, use Safari or Find my Friends etc. I came into the forums looking for help and found posts about the personal hotspot constantly spinning. I looked at mine and it was too. I did a hard reset and it finally stopped. Immediately I got connectivity back. I don't know if that is causing my loosing internet or not but it seems coincidence that when it stopped spinning I got it back.Simply going into and out of airplane mode and toggling cellular data on and off never restores connectivity. Often it will restore when I leave the building. But I have 3-4 bars of signal and 4G listed as available when I'm inside.Also, something is chewing up my battery. I was at 100% when I left the house at 8 am and at 65% at 10 am with the phone sitting on the desk doing nothing.
Info:
iPhone 4S, iOS 5.1.1
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Apr 6, 2015
yesterday morning my Sony z3 was working great when all of a sudden the signal dropped and said no service. It has been 24 hours now and still nothing. I restarted the phone many times, did a factory reset, updated software, fixed software and left it off for a while.
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Mar 2, 2010
I bought a new n86 a few days ago but I found that the signal recertion is really very very low in some places compared to a nokia n70.At the time an n70 (or many other phones) has 7 bars , an n86 has NO bars (out of network coverage)That's a very frustrating problem, Can this problem be fixed? Is this a hardware or a software issue?Can the Nokia care find a solution to this problem?
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Jun 25, 2010
Sorry to add to the reception frenzy but I have a rather specific question I could't find an answer to in the existing threads. Is anyone able to replicate the dropped bars phenomenon (with their hand) in normally solid five bar location?
I am on business away from home and my wife shipped me my iPhone. I'm in Waycross, GA. There is no 3G here but the Edge signal is solid. The thing is, I can see the cell tower from my window! I am absolutely, positively, unable to replicate the reported signal problem with my 4. I've tried all sorts of positions with my hand. Stays at 5 bars.
BUT...I'm wondering if this is due to the fact I'm next door to a cell tower? Andy will I ever be able to have children again because I'm so close?
So far, this phone has been awesome. No yellow, no proximity issues and, so far (fingers crossed), no reception issues at all.
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Oct 31, 2012
I've been experiencing this strange problem for few weeks with my N8. When I'm receiving or making a call,network signal level drops from full to 2 bars. Happens only when i hold my phone from its lower end(where menu button is located). As long as i hold phone from its upper end(where audio jack is located), signal level is maintained to full bars. Such fluctuations don't occur when phone is lying still somewhERE. Signal starts dropping only when phone is held by its lower end. Happens while accessing 3G too. Is this a normal thing? I checked after changing SIM and switching to another network provider. Still the same.
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May 22, 2012
After update with zune my phone lost signal bars but eventually it works.
how to proceed with that ?
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