IPhone 5s can't make or receive calls and replaced SIM card

need help can't make or receive calls and got SIM card replaced twice

If the carrier cannot help you, then I would make an appointment at the Genius Bar of the nearest Apple Store to have the hardware checked. I really do not believe it is the hardware.
You could try a restore before going to the Apple Store. Make sure you have a backup of the phone and restore the device as new. After activation is complete, see if you can make a call. If it is possible, then restore your backup to recover your content and test again. If it fails, then it is a problem with your backup. If neither works, and the carrier cannot help, then make the appointment.

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IPhone 5S can't make or receive calls since IOS 8.2

PPhone was working perfectly on IOS 8 and 8.1. I upgraded as I'm supposed to do and now can't make or receive calls! I can send texts so I know the network is ok and others in the same network who work with me are able to make calls on other phones but not me! I've already tried a restore back to factory settings but of cause it reinstalls 8.02 so I'm faced with the same problem!

If the carrier cannot help you, then I would make an appointment at the Genius Bar of the nearest Apple Store to have the hardware checked. I really do not believe it is the hardware.
You could try a restore before going to the Apple Store. Make sure you have a backup of the phone and restore the device as new. After activation is complete, see if you can make a call. If it is possible, then restore your backup to recover your content and test again. If it fails, then it is a problem with your backup. If neither works, and the carrier cannot help, then make the appointment.

What's Wrong With My iPhone 4? Sometimes I Can't Make or Receive Calls and I Also Can't Send or Receive Texts!

Recently, I've been having issues with my iPhone 4.
A few weeks ago, out of the blue, I could not send or receive texts, and I couldn't make or receive calls. If I tried to send a text, the little bar will go almost all the way to the end and just hang there for something absured like over half an hour. Then it tells me that it failed to send. When I try to call someone when I suffer from this problem, there's no dial tone, no noise. When I try to hang up, it just says "Hanging up..." and if I go out of the Phone, it says up the top "touch ti resume call" when I'm trying to hang up. If I touch to resume call, it's like I didn't hang up.
Then, out of no-where, it suddenly fixed itself. I thought, "Great! Something like that surely couldn't happen again!"
And it did again, just a few minutes ago. And subsequently fixed itself, albiet faster than last time.
How can I avoid this problem in the future? Do I need have my iPhone 4 repaired? Do I need to tell you guys more information?
Thanks for your time,
Sasha.

I believe the root cause is IOS5.01. same problem on my iphone4s with IOS5.01. Now I have a expensive I-touch! wake up steve.............. I suggest you change your sim cark from 64k to 128k. or just waiting next generation IOS.

Suggestions Needed! iPhone suddenly can't make or receive calls!

My iPhone has been unable to make or receive calls for two days now. Been working flawless for a year, until now. All other functions (text, email, web) continue to work fine. I have a 2G iPhone running 2.2 and have made no "unauthorized" mods and have made no significant changes or additions in the past week that might have led to this interruption.
Called AT&T and began to work with a service rep but got no solution. I have reset many times and even restored to factory conditions, but no luck. I have full signal strength and it says AT&T as my carrier. Thought it might be a network issue but my co-worker, with the same iPhone model, has no issues. I'm told when people do call me all they get is a "busy signal". Weird.
Does anyone have any suggestions? I'm pretty tech savvy, especially with Apple products and this one has me scratching my head.
Thanks in advance.
Message was edited by: SMacdown

SMacdown,
Have you already tried the suggestions in article http://support.apple.com/kb/HT1650 ?
Prior to restoring your iPhone, I would try resetting network settings. To do so navigate to Settings > General > Reset.
When restoring your iPhone, it's typically recommended you set it up as a new phone. You should back up your data prior to this.
Other good troubleshooting steps are to remove the iPhone case for a period of time to test with out (if you use one), reseat the SIM card, or to test the SIM card in another AT&T phone to see if that has the same issue.
Removing SIM card prior to iPhone repair
http://support.apple.com/kb/HT1438
Hope this helps,
Raleigh

HT1937 no sim appears on top left of my iPhone 3gs ,can't make or receive calls today but could yesterday , help explain ? ?

No sim appears on top of screen on my iphone 3gs ,cant make or receive calls today but could yesterday . Seem to able to do most other things on phone though , cant explain whats happened . iI received phone from my cousin lately and all my contacts are on iphone but had it turned off and on again but no sim appears on screen . . . HELP

Hi thanks for reply but tried new sim today to no avail

Can't make or receive calls and SMS's

I have a Blackberry Curve 8520 and out of nowhere it started refusing to send or receive SMS's and it doesn't want to make or receive calls, load airtime, check voicemail and all the telephony parts of it. However, my BBM and internet are working perfectly. I tried calling my service provider (MTN) about this and they said it was a call barring problem, they gave me a bunch of pins to use but my phone won't even allow for those to work. Please help, kind of desperate here. Thanks

In this situation you mobile operator is the only solution for you. You contact them again and ask how unbar your phone so that everything becomes normal.
tanzim
If your query is resolved then please click on “Accept as Solution”
Click on the LIKE on the bottom right if the post deserves credit

I cannot make or receive calls with my sim card inserted.

recently had dropped my iphone 5 s and everything works apart from making and receiving call via sim. wifi calls are ok with viber etc.
i had the back case changed but the problem persists. Help!

the guy only charged me for the back case replacement as he could not fix the calls issue - he says it could be a motherboard issue.
I tried a replacement sim card and problem persists
thanks

I can't make or receive calls/texts on iPhone 4?

My iPhone 4 started to act up. I can't make or receive calls, and same thing with texts. I also can't connect to the internet. When this happens, my iPhone turns off & it won't turn back on unless I charge it. When it's back on, there's a message about a reset that tells me I should go to apple.com/support. Later, it goes back to normal and everything works. And again, it stops working. This has been repeating for a couple of days. Help, please?

sounds like a defect battery

IOS5.0.1 constant error "iPhone can not make or receive calls. Restore from iTunes": I get this message and the phone will no longer work (happend once while on airplain mode and now once while in wifi only area, out of cell range). help!

All- I get this message ("iPhone can not make or receive calls. Restore from iTunes" (happend once while on airplain mode and now once while in wifi only area, out of cell range)). iPhone 4. Newest OS. Never happened with old OS! Cycling phone on/off does not help. Ignoring message causes phone to cycle off then on. After first time this happened, I restored. Six days later...same problem! Clearly a new fix is necessary. Suggestions?

I have not tried that...I will look up the process so that I can do it correctly (and still transfer all of my files, contacts, etc). Any suggestions? What is the advantage of restoring as a new device..is this more akin to a complete wipe of a hard drive?

I can't make or receive calls in my iPhone 5(just bought second hand and unlocked), but I am able to use 3G network. If I use the same SIM card in other phone it works fine. I have tried network resetting and restore.

I can't make or receive calls in my iPhone 5(just bought second hand and unlocked), but I am able to use 3G network. If I use the same SIM card in other phone it works fine. I have tried network resetting and restore.
I bought this cheap from an unknown persons. I have checked it is not in blacklist. And unlocked by apple.

Those are all carrier features, so contact your cell phone provider.

Can't make or receive calls without speaker on Iphone 4

can't make or receive calls without speaker on Iphone 4

Hi Susan,
Thanks for visiting Apple Support Communities.
You can use the steps in this article to troubleshoot your iPhone:
iPhone: Can't hear through the receiver or speakers
http://support.apple.com/kb/TS1630
Best,
Jeremy

I can't make or receive calls on my IPhone 4.

I can't make or receive calls on my IPhone 4. There's nothing but dead air on both ends and then it freezes. If I can answer a call, it lasts for a few seconds then gets staticky and cuts out. I took it to Verizon and they couldn't get it to work either.

If Verizon, who actually had your phone in hand, was unable to get it to work, what makes you think that we users here, who have no access to your phone, could help? You need to bring your phone to the experts who can actually run diagnostics on the phone, and that is Apple.

I can't make or receive calls on my iPhone 4S. Please help

I can't make or receive calls on my iPhone 4S. Please help.

Try a Reset...............
Definately call Your Carrier..........
Then Apple Help..

Help!!! I can not make or receive calls! other functions itself. Internet, sms, whatsapp work. I restored as new iphone from the phone and from itunes and still not working.

I can not make or receive calls! other functions itself. Internet, sms, whatsapp work. I restored as new iphone from the phone and from itunes and still not working.
Sorry for my english i'm spanish

I have not tried that...I will look up the process so that I can do it correctly (and still transfer all of my files, contacts, etc). Any suggestions? What is the advantage of restoring as a new device..is this more akin to a complete wipe of a hard drive?

IPhone 4 on IOS 5.0.1 can't make or receive calls or send/receive SMS

Hi there,
Last friday, I noticed that I can't make or receive calls on my unlocked iPhone 4 on IOS 5.0.1. Until then it works fine. I can't neither send or receive SMS. The Internet connection works fine and I can surf the Internet over 3G.
I have test the SIM on my 2G iPhone and the calls works right. I have restore the network settings and I have completely restored (including IOS) the device over iTunes but the problem persist.
Have anyone experienced the same?
Thanks in advance

The resolution to my problem was a new phone. My first trip to the Genius Bar I was asked if I had done a complete restore to factory settings. I did that when I got home and the problem with using the phone was unchanged. I went back to the Genius Bar, described that I had restored to factory settings, and the screen still froze when I tried to either end a call or answer a call. They basically said it must be a hardware problem and gave me a new phone. My phone was 3 months old so it was still under warranty.

IPhone 5s can't make or receive calls and replaced SIM card

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