3gs phone showing "No Service"

I bought a iphone 3gs from a dodgy cell store. it worked fine until i upgraded the software to 6.1.3. after that the phone displays No Service and wont pick up any sim card and i am not able to use the phone at all. i have tried everything that i know. i am told that the phone was probably jailbroken in the past. As you may see i am not tech savy when it comes to this.
please help. love this phone

Hello mikebez
The steps to troubleshoot No Service on your iPhone are listed in the article below. It will give some links to other articles for step-by-step instructions to help get it resolved.
iPhone: Troubleshooting No Service
http://support.apple.com/kb/ts4429
Thanks for using Apple Support Communities.
Regards,
-Norm G.

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IPhone 3GS is showing no service

My iPhone 3GS is showing no service, I have reset the network settings but that didn't seem to work. I then restored the phone iteself but it still shows no service.
The phone is on O2 and I have tried a few other sims, but it still doesnt seem to work. The iOS is 6.1.3, I have been told this may be the problem but it was working a couple of days ago.
I was also told to try these steps which didn't seem to work:
1. Disable 3G in Settings/General/Network
2. Power off the iPhone by holding the top lock button down then sliding to power off, leave the phone off for 30 seconds
3. Power on the iPhone
4. Reset network settings in Settings/General/Reset
5. Turn on 3G
6. You should be able to find the network now
I don't know what elese I can do, I would really appreciate anyones help, thanks.

Basic troubleshooting steps
Reset the iPhone by Holding both Power and Home Buttons together till Apple logo appears.
Restore to a backup.
Backup, Restore in iTunes setup as new.

HT1688 My iphone 3GS is showing no service your network is restriced you can choose a different network in settings ive tried a restore and upgrading software/downgrading still no fix just no service searching...

My iphone 3GS is showing no service your network is restriced you can choose a different network in settings ive tried a restore and upgrading software/downgrading still no fix just no service searching...
I have no idea why this has happend ive been using the phone for 2years bought it on pay as you go and now all of a sudden its stating the above error i have never come across this problem before and currently im using 3GS and Iphone 4S

Sounds like it's been blacklisted.
Even if it hasn't, downgrading voids any warranty and forfeits all rights to support. You hacked your phone. You can't get help here.

TS4429 hi my iphone 3gs keeps showing no service i have tried every sim card and tried reseting it can anyone help plz!!

hi my iphone 3gs keeps showing no service i have tried every sim card and i have tried reset it and update ios nothing works can anyone plz!!

ask your phone carrier.

Why does my phone show no service

phone shows no service

SIM卡剪卡没有正常剪好也会有这情况出现的！

I have a iphone 3gs which shows no service it has ios 6.0, even i reset its network settings my phone just restart and restart it even dont go to the title screen.. pls help

Please help me.

LOL! - you poor bugger, Ognyan!
I'm starting to serihously think this phone has been jailbroken... I've got a senior technical support advisor at Apple who is working on the case. He has gone through everything he can possibly think of, but won't take "no" for an answer.
At the moment, he has logged everything with the Engineering Department, who is going to look into it further using the IMEI number and see what they come up with. If worse comes to worse, Apple will apparently replace the phone for a fee. The problem is that it is 800+ days out of warranty...
Anyway, we'll see how we go. If anybody has got any ideas about this, please continue to provide answers. I appreciate all responses

Why does my new 3gs phone say no service when it was working earlier

Why does my newly purchased Iphone 3GS say no service - it was working earlier today. I can do nothin on it - can't make calls or receive them !!

AT&T is my carrier, in RI, can't text, can't call, go onto Safari, get emails? Happens once in a while for a few minutes. Today it wouldn't work at all. I am home now and have wireless and it won't pick up that signal either.
I don't know about SIMor where it is located. I was a blackberry girl for years. This phone is only a few weeks old, bought at Apple Store in Providence RI, they didn't tell me about SIM. It has worked fine till today.
Thank you.

HT201415 iphone 3GS showing no service, please help!!

My iphone 3gs is showing "no service" tried everything please help!!!

If doing a reset (hold the sleep/wake and home button until the Apple logo appears) doesn't correct it then try getting a new SIM from your carrier.

My phone keeps showing no service.

My phone shows no service requiring me to turn it off and back on again, and then to unblock the SIM card. I've been using an otterbox defender,as i work in construction,could this cause the problem?

Hey ANUVANSH,
I understand you are having cellular network-related issues with your iPhone 4s. The following article is going to provide the best troubleshooting steps:
iPhone: Troubleshooting No Service
http://support.apple.com/kb/TS4429
Symptoms
iPhone may display one of the following symptoms in the status bar:
- Displays No Service or Searching in an area of good coverage
- Does not regain service when returning to an area of coverage
Resolution
If you encounter any of the above symptoms on your iPhone, try these steps to attempt to resolve the issue. Test after each step.
1. Try turning iPhone off and then on again.
2. Remove the SIM card and verify that it is a valid, carrier-manufactured SIM. Also verify that it is not damaged, worn, or modified. Then reinsert it.
3. Check for a carrier settings update. Tap Settings > General > About while connected to a Wi-Fi network. If an update is available, a prompt should appear soon. If Wi-Fi is not available, connect your device to iTunes.
4. Update your iPhone to the latest version of iOS.
5. Restore the iPhone.
If you're still experiencing No Service issues, contact your carrier to check for any network or account issues that could cause this issue.
Thanks,
Matt M.

Iphone 3gs showing "No Service"

Suddenly my iphone 3gs is showing "No Service" always, first it happens when i was in travelling in train, but that it is permenantly happen when i am in network area also, as per the discussion i had with customer care, i have did all trouble shoot like
long press of power and home button till restart,
Airplane mode on/off,
reset net work setting,
reset all setting
and atlast i restored ios also.
still it says "no service"
my iphone IOS is 6.1.3

troubleshooted my iPhone 3gs, iOS ver. 6.1.3
"no service" or "searching.." before and after i changed my battery.
go to Settings>>Carrier>> turn off Automatic
then choose your carrier manually
solved my problem
hope it helps you all too \m/

Hello! Im having problems about my Iphone showing NO SERVICE on top. Im not able to send and receive msg, same with calls

Hello Guys! I hope someone could help me, Im having trouble with my phone's signal, I am not able to send and receive msgs, same as make calls and receive calls. At first, my phone is working fine (iphone 4, iOS 7.0.4) and all of a sudden, my text messages are not getting through, and I noticed that my phone shows NO SERVICE, I refreshed the phone by turning it off and turning it on after a couple of minutes, it worked. My phone is okay again after that, Im able to send and receive messages again. But after few hours, the problem came again. NO SERVICE sign is displayed again, but this time after refreshing the phone nothing good happened. I tried almost every possible thing I can to fix it but it doesn't work. What should I do.
Thank you

Hey Clara,
These are the recommended troubleshooting steps to resolve No Service issues on iPhone:
Toggle airplane mode: Tap Settings > Enable Airplane Mode, wait five seconds, then turn off airplane mode.
Turn iPhone off and then on again.
Remove the SIM card and verify that it's a valid, carrier-manufactured SIM. Also verify that it isn't damaged, worn, or modified. Then reinsert it.
Check for a carrier-settings update. Connect to a Wi-Fi network. Then tap Settings > General > About. If an update is available, iOS will ask you if you want to install it. If Wi-Fi isn't available, connect your device to iTunes.
Update your iPhone to the latest version of iOS.
Reset network settings by tapping Settings > General > Reset > Reset Network Settings. This will reset all network settings, including Bluetooth pairing records, Wi-Fi passwords, VPN, and APN settings.
Restore the iPhone.
If you are outside the United States, please also follow these steps:
Go to Settings > Carrier > Automatic.
If the phone registers any carrier network, Settings > Carrier will be present.
If the Carrier option is missing in Settings and you are outside of the Unites States, please contact Apple for support and service options.
Set the option for Automatic to off.
A list of potentially available carriers appears after about two minutes. If the device is locked to a carrier, it may connect only to the carrier network to which it is locked. If the device displays carrier networks, then the device is working as expected.
Set Settings > Carrier > Automatic back to on.
If you're still experiencing No Service issues, contact your carrier to check for any network or account issues that could cause these symptoms.
from: iPhone: Troubleshooting No Service
http://support.apple.com/kb/TS4429
Welcome to Apple Support Communities!
Take care,
Delgadoh

After updating to iOS 8.0.1, my iphone 6 shows "No Service"

After updating my iphone 6 to iOS 8.0.1.1, I can't connect to ATT cell tower and my phone shows "No Service". I tried to reboot phone, turn on/off airplane mode, take in/out of SIM card. But none of these helped.
Has anyone experience this issue??

Confirmed solution from Apple:
You need to do a full OS restore through iTunes on your phone. You can then restore from an iCloud or iTunes backup to be back in business. It *****, but that's the only solution right now.

HT201328 My unlocked iPhone 4 shows "No Service" and after airplane mode turned on and off, shows "Invalid SIM"

I recently bought two iPhone 4 phones from my colleague in USA. He unlocked these phones from AT&T. But I did not test it. However, now that I am back to India, and inserted my Indian Vodafone SIM car, the phone shows "No Service" and if turn AirPlane mode ON and then OFF, a message comes as "SIM Failure", and the top left corner shows, "Invalid SIM".
Now, how do I confirm whether my colleague was successfully able to unlock these phones ?
What are the steps to make my Indian Vodafone SIM work ?
Any support appreciated.

Hello there Vicky,
Here is a great article for troubleshooting the Cellular connection on your phone. From article iPhone: Troubleshooting a cellular data connection found here http://support.apple.com/kb/ts3780:
Follow the instructions below for assistance with troubleshooting cellular data issues on your iPhone. After performing each step, please test to see if the issue is resolved.
Toggle airplane mode: Tap Settings, turn airplane mode on, wait three seconds, and then turn off again.
Restart your iPhone.
Ensure that your software is up to date:
Check for a Carrier Settings Update. Tap Settings > General > About.
Check for an iOS Software Update. Tap Settings > General > Software Update.
Note: Some updates may require a Wi-Fi connection.
Remove the SIM Card and reinsert it. Allow the iPhone to acquire the network again.
If your SIM card has SIM PIN enabled, try toggling it off: Tap Settings > Phone > SIM PIN.
Try another location. If a different location works, but the original location still does not, contact your carrier to report the issue.
Reset network settings: Tap Settings > General > Reset > Reset Network Settings.
Restore the iPhone as new.
Contact your carrier to:
Verify that the iPhone is properly set up on the account with the appropriate, current data plan.
Verify that there are no account-related blocks.
Find out if there are specific error messages in the carrier logs that could help determine why the issue is occurring.
In order to verify if the phones have been unlocked, the original carrier for them would have to be called.
Take care,
Sterling

I replaced the LCD Digitizer and now phone says no service

Can anyone help me figure out why since replacing the LCD Digitizer my phone shows no service all the time and I can't make a call or send a text?

The antenna connector is not connected correctly. It is the simple snap on small round connector attached to the black wire from the speaker dock antenna. It attaches near the battery connector.

HT1414 I have an Iphone 3GS 16gb which was working on ios 4.1.1 The phone isn't factory unlocked. I upgraded it to IOS 6.0.1 and after that i am not able to search for networks. it shows no services.

I have an Iphone 3GS 16gb which was working on ios 4.1.1
The phone isn't factory unlocked. I upgraded it to IOS 6.0.1 and after that i am not able
to search for networks. it shows no services.

Ok thank you so much! Although I ended up taking the sim card out of my new Iphone and reinserting it into my old one it finally let me restore it! So thanks once again this really helped!

3gs phone showing "No Service"

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