HT1976 iphone 4s no signal

CANT GET SIGNAL ON MY IPHONE 4S ?????????

Just throwing this out there but this may help you:
If your iPhone 4s says you have no service, try using data or texting somebody. My 4s sometimes says I have no service with 3G but I'm still able to use data and send texts and make calls.
If you legitemately have no service, check that your SIM card is registered with your carrier and activated properly, and that your iPhone works with that carrier. Make sure you're not using your phone in the middle of a concrete or metal building, as this will greatly affect the service you will receive on your phone. Make sure you're not covering the antennae on the iPhone (the black lines on the metal band running around the sides of the iPhone are the antennae; the top two are CDMA and the bottom two are HSPA; you're using HSPA if you have a SIM card).

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Battery problem, anntena or motherboard? pleas help.

it could be a motherboard problem. Last month I spilled liquid on to my iphone and since I didn't have warranty for it I had to take it to a "phone doctor". He fixed it but mentioned that motherboard is working fine but he can not say for sure for how long it will last, and that I may experience some wierd problems. I'm having this exact problem the day I got my iphone back.
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I will post the outcome if I don't forget about this page.

When in sleep mode iPhone 4 loses signal but when it's back on it searches and finds signal only recently doing this and because it's searching for signal battery not lasting very long please help

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Here are some observations and a suggestion.
1) I mentioned before, that the number of views of this discussion forum is fast approaching 100,000. I suppose relative to all iPhones sold that is not a great percentage, but 100,000 still sounds pretty impressive to me. Consider also that many people probably have this same Sim problem and are not viewing this discussion forum because thay do not know it exists. How many people are REALLY experiencing this problem? Who knows. But I suspect it is more that 100,000.
2) To the best of my knowledge, Apple does not consult these forums as a guide to awareness of product performance. It may be company policy, but most of the time when I speak to an Apple employee they seem remarkably unaware of the "Top Stories" in the Apple Discussion Forum. This, despite the fact that my personal experience with customer service at Apple is excellent. So, as much as we of this discussion forum are confident SOMEONE important at Apple is reading all our posts and taking them to heart...I am not so sure.
3) I have been told over and over that the best way to gain Apple's attention regarding a problem is to post a comment on their Feedback Site. One comment about a problem is pretty worthless. 100,000 comments on the same issue, I'm guessing, will really get their attention.
4) Some folks have mentioned a recall to address this problem. Although such a thing is always a possibility, I don't see it happening. Why? When the brakes on a Toyota don't work, or that Toyata starts to accelerate without driver intention...well, that involves human life and the stakes are quite high. For many reasons you would see the automotive industry eventually be forced into a recall program under such a situation. But, a phone APPEARS to not nearly be such a life and death device. Or is it? My daughter's iPhone 4S developed a "SIM FAILURE" on the same day her car broke down in the middle of the very rural area we live at around 10:00 pm. She is 17 years old and was coming home from high school play practice. You can imagine the anxiety I and her mother felt when she did not arrive home on time. She eventually walked about a quarter mile to a house of a stranger and had to ask to use their phone to call us. Now, I am not saying that strangers where I live are not to be trusted. But, in addition to being worried out of my mind, I was not happy that an inoperative iPhone 4S caused my daughter to be put in this situation. My biggest concern now is...when will my daughter's iPhone become inoperative again due to SIM FAILURE?
5) The more folks in this discussion forum who post a comment about this issue in Apple's feedback site the more pressing this issue is going to be perceived by Apple. So, I like others, encourage all of you to do so. If this seems like a lot of effort, I offer you these few sentences below that you could just copy and paste into the feedback site.
The link to feedback site is: http://www.apple.com/feedback/
Feel free to use copy/amend/whatever the following as you wish:
Dear Apple,
I wish to register a strong concern about my iPhone's unpredictable inoperability due to failures somehow associated with it's SIM technology. For me, I do not consider this just a significant lack of convenience, but a significant safety issue. Should I need my phone in an emergency situation where it is experiencing a SIM FAILURE, I believe the iPhone will have put me at risk. I would ask you to please give fixing this problem your greatest priority and effort.
Sincerely, XXXX

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Is the battery drained after it shuts itself off?
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Take the device to Apple or an Apple authorized service center and let them check it out.

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TS2634 my iphone 4 lost signal this afternoon & turned itself off & now wont turn back on! help!!

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1. Reset phone - press both home and power buttons for up to 30 seconds until the Apple logo appears/
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3. Repeat Reset if no response to charging.
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HT1976 Iphone 4s signal dropping to no service

My iphone 4s giving me no service
I have to restart phone every 5 min
When I restart i get full signal and after few second It start dropping and stop on 2 bar and after few more seconds it give no service.
What cloud be the issue ?
Its hardware (if its hardware what component I need to change or repair.
If its software then what is the solution.
I am in Pakistan and here we have no apple store or genius bar facilities.
Help me to solve the issue otherwise iphone is non useable at the moment.
I need quick reply from Apple team.

If you have tried a restore as new expecially in DFU mode you have done all the software troubleshooting neccesary this narrows it down into a hardware issue.
Apple does not recommend doing any repairs on your own because it will void your warranty however
You would be looking into repairing your Signal Antenna
Before doing this repair i would suggest contacting your carrier and having them reset your cellular network just in case
Good luck
Let me know how it goes

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Why does my iPhone 5 lose signal when trying to make a call or use cellular data?

Hello,
I've had this problem for a few weeks now and it's becoming really annoying. Every time I try to make a call, or call voicemail, it takes me 10 or so attempts to connect. When it doesn't connect I get 'searching' in the top left hand corner whilst my phone try's to find signal again. I have the same problem when using 3G - it'll be fine for a while and then I lose my signal all together. This happens in places where I have enjoyed full signal strength in the past. I have dropped my phone or done anything to it to cause this. I've checked with my network provider, Giffgaff but it seems to be more of a phone problem rather than network.
Has anyone had anything similar? If so how did you fix it? I'm thinking I need to take it into my local store to get it looked it.

Hello Mathias267,
Thank you for using Apple Support Communities.
For more information, take a look at:
iPhone: Troubleshooting No Service
http://support.apple.com/kb/ts4429
iPhone: Troubleshooting a cellular data connection
http://support.apple.com/kb/ts3780
Have a nice day,
Mario

Did you know that an aluminium bumper case for IPhone 5 effects signal strength?

I purchased a third party aluminuim case online called Transformers bumper case. When I had it installed, it drops the signal all the way down to 1 bar. On the otherhand when I use a plastic or rubberized case, the signal is not affected. Does anyone else have a similar experience??

Never used a metallic case, simply because that changes the antenna configuration. A problem with first of the iPhone 4 models was attributed to hoe the iPhone was held and the effect on the surrounding antenna band. Good reason to not enclose the iPhone in a metal case.

HT1976 iphone 4s no signal

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