OS 5.1.1 - no cell signal after upgrade!!

I just upgraded to OS 5.1.1 on my iPhone 4S and now it tells me that I have no cellular service. !!! Help!

I Have the same problem......unfortuntly......I did the same thing like the jharder0002 user did, and in Portugal, i went to the mobile service to get an nem sim card and the problem get the same. My phone is 4.

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Low cell signal After upgrade to IOS 5.1.1 to my iphone 4

After upgrading my iphone 4 to IOS 5.1.1 ,my cell signal becomes very low and after some time it shows no service.

Do you know if your "Cell Network Search" under "Location Services" is on or off. I have been struggling with the same issue, on and off and this is one of the settings I have changed recently.

Problems with TV Out signal after upgrading to iOS 5.1

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Try a reset. Press & hold the Power and Home buttons together for 10+ seconds, ignoring the red power-off slider, until you see the Apple logo. It is safe to do, there should be no content loss. It is the same as rebooting your computer.
If that does not work, restore the iPad to the factory settings.

Why did I loose the wifi signal after upgrading?

I want to know why did I loose my wifi signal after updating my Iphone

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nothing??

IPhone 4 does not catch signals after upgrading to iOS 7

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Reply ASAP...
My iPhone has turned into an iPod since l upgraded...

Weak 3gs wifi signal after upgrade to ios6

Anyone experienced the same thing after upgrading their 3gs to ios6?
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I am on the same spot inside the house and the 3gs cannot detect my connection.

I have the same issue since I upgraded to iOS 6. My 3GS (end of 2009) has extremely weak WiFi signal from areas I used to get very strong signal. I now need to be within 12 inches of my home WiFi access point for the phone to pickup the signal. And the connection drops as soon as I am getting more than 12 inches away.
Same behavior from our WiFi at work -- I can no longer connect on the corporate WiFi from my office space!!
I also went to the Apple store in San Jose, and the phone was not even able to pickup the Apple WiFi signal from the middle of the shop!!! This very same phone was working flawlessly on 5.1.1 before the iOS 6.0 upgrade. I tried all the tricks people said to no available. Nothing works. My phone is useless now because of Apple!! Isn't this a trick to force people changing to newer phone?? Now I am using too much from my 3G plan and it will cost me moneys because of this..
Apple starts to look like a Lemon to me..

Weak Wifi signal after upgrading Iphone to 4.1

I had a perfectly working Wifi home connection on a new iPhone 4 running 4.01 and 4.02.
After upgrading to 4.1 yesterday, the wifi has gone bad: the connection strength has dropped - at least- 10 fold. I have to stand next to the router to get connected. Before I had excellent connection at long distances.
Nothing has changed to the router, and I still have excellent wifi connectivity with my MacBook, iPad, and another iPhone.
Seems that the upgrade to 4.1 somehow broke the wifi connectivity.
Help!
S.

I am experiencing hte same thing. Except I started with 4.1 and I am getting very weak signal compared to my buddies iPhone which is also running 4.1. Which is weird .. I guess I will call in tommorow any ideas ??

IPhone loses cell signal after sitting idle

My iPhone will lose the signal bars when sitting idle for a period of time. After shutting down the power and restarting the bars come back. Any recommendations?

No recommendations, but I've been experiencing the exact same problem for about a month now.
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Lost 3G signal after upgrading software

Hello,
I have nokia N70 phone with Vodafone UK contract. two days ago I upgraded my phone software from nokia website. All upgrade went smoothly. But now I have lost my 3G signal all together ( I used to have max 3G signal before ).
When I go to manual network selection it shows all other networks with 3G symbol next to them except vodafone which shows normal signal symbol.
*#0000# on my phone now shows
V5.0609.2.0.1
01-03-06
RM-84
I am confused, please help
Thanks in advance
Regards
Amit

Hi,
I have an E60, and thought I had the same problem when I saw this post.
Its worth checking that you have dual mode selected in the network settings. After the update, mine was set back to GSM.
I had to do a manual connect to the Vodafone 3G network, then able to put it back to automatic, and all is now ok.
Dave -
Phones:3110,5110,6110,6210,6310,6310i,8210,8250,8310,6230,6230i,6280,E60,E65, 5800, N900
and: 7110,6250,6220,6111,7370 (but just for a few months)

In my iPhone 4s, since I updated to the latest iOS 6.1.2 I have noticed that my battery drains very quickly, and that after 15 days after date, I lost the cell signal, I have 3g, but I can not call or receive calls or sms. HELP!

In my iPhone 4s, since I updated to the latest iOS 6.1.2 I have noticed that my battery drains very quickly, and that after 15 days after date, I lost the cell signal, I have 3g, but I can not call or receive calls or sms. HELP!
Sorry for my bad english :S
Please, please help me

Contact the carrier.

IOS 8.1. Does it solve wifi/ Bluetooth/ cell signal?

I Thought I'd start a new thread specifically for this...couldn't see one, other than comments updating on 8.0.2, which is useful but not specific for those just searching for the first time. I'm too nervous to update as I'm still on 8.0 with a few wifi issues but they aren't as bad as for some. I do have cell signal issues but my Bluetooth in my Volvo is fine so I don't want to mess that up. What's the verdict please guys?

iOS 8.1 fixed my Bluetooth problems (car, headphones and BT speakers, neither of which worked after upgrading to iOS8). My wifi is fine (was fine with iOS 8 as well though). I see no problems whatsoever at this moment (iPhone 5).

Is it possible to condition a load cell signal with a 1520 SCXI and then use it as the primary analog feedback for a 735X motion control board?

My system
PXI 1052 chassis
PXI 8196 RT controller
Flexmotion 7356 motion controller
Flexmotion 7354 motion controller
6259 M series DAQ
1520 SCXI
1520 SCXI
1314 SCXI frount mounting terminal block
DSM strain gage load cells
Exlar SR Brushless PM motors
Kollmorgen servo star CD series 5 drives
My objective:
I want to measure the force on the load cells with the 1520 SCXI (i.e. excite the load cell then amplify and condition its output) then I want to use this analog (force) signal as the primary feedback for my motion control system (7356 and 7354 motion controller connected to my drives and motors).
The problem:
The motion controller boards (7356 and 7354) can be configured for force feedback control via analog feedback from a load cell. However the boards implicitly expect the load cell signal to be amplified and conditioned with and external signal conditioner rather then using an NI SCXI module. Currently I’m am reading the SCXI signals via the 6259 M seriers DAQ and consequentially have no way to route the signal into the 735X boards for force feedback control. I can use softmotion to control the motors but then I loose the fast PID update rates possible with the 735X boards.
The question:
Is it possible to condition a load cell signal with a 1520 SCXI and then use it as the primary analog feedback for a 735X motion control board?
Thanks
Patrick Aubin
Ph.D Candidate
University of Washington &
VA MedicalCenter of Excellence for
Limb Loss Prevention and Prosthetic Engineering

Hi GG,
Thank you for your feedback.
>create your own external circuitry to amplify the signal.>
True a few op-amps could amplify and filter the signal externally but the performance of such an amateur built system will never match the accuracy and functionality of the 1520 SCXI. That’s why we spent the $2500 for the professional version.
>One thing that you could do is to use a UMI with your motion controller and then wire your signal from your SCXI to the UMI.>
As I understand it the UMI is basically a break out connectivity interface for third party drives. After conditioning and amplifying the analog force signal with the SCXI module the analog signal isn’t available to wire into a UMI. To my knowledge the conditioned signal of the SCXI resides only in the PXI backplane (i.e. there is no physical access to the conditioned analog signal). Can you explain how the UMI could be help here.
Again thanks for your input GG.
Patrick

IPhone 6 won't connect to cell data after leaving wifi

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Hi, guanavera.
Thank you for visiting Apple Support Communities.
I would recommend trying the steps in the article below when experiencing this issue.
If you see No Service in the status bar of your iPhone or iPad
http://support.apple.com/kb/ts4429
You may also want to take a look at the information in the link below.
iOS 8.0.2
http://support.apple.com/kb/DL1758
Cheers,
Jason H.

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IiPhone 5 in last couple weeks has been randomly dropping wifi and cell signal when asleep. Requires restart to reset it. Turning off wifi or going into airplane mode for 15 seconds does not fix it. Also I note that when I restart after a dropped signal, the phone searches a few seconds longer than at other times.

OS 5.1.1 - no cell signal after upgrade!!

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