a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need. goodluck!
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There is no 3.1.1 firmware version available for the iPhone 3G. 3.1.1 is only for ipod touches. To downgrade to 3.1.2 (http://modmyi.com/forums/downloads/firmware/6/iphone-3g-3-1-2-32353/) or 3.1 (http://modmyi.com/forums/downloads/firmware/6/iphone-3g-3-1-32183/), download from either of the provided links, go into iTunes and to your iPhone tab, shift+click on restore for windows, or alt+click restore on mac, navigate to the downloaded file, and open it. Your phone will restore to the downloaded firmware.
If you have a carrier locked iPhone (AT&T in the US), then simply connect the iPhone to your computer with the iPhone's USB cable and open iTunes. Upon doing so, iTunes should connect to the internet and activate your iPhone by confirming your AT&T service account via Apple's activation servers.
If your iPhone is using a Non-AT&T carrier, then you must download and use an application like Blackra1n to re-activate your iPhone and jailbreak it, if necessary.
However, please note, if you need the iPhone unlocked as well, firmware OS version 3.1.3 (currently the latest, as of this writing) is not unlockable due to the changes it makes to your baseband. You cannot downgrade your firmware OS either since the baseband changes 3.1.3 makes to your iPhone's modem are permanent.
Until a proper fix is found and released by the iPhone Dev-Team (the creators & supporters of the iPhone unlocking software), the best you can hope for is an activated, jailbroken iPhone, but sadly, not unlocked.
Here is simple guide for those Users who will be first time upgrading their iPhone 2.2 or 2.2.1 to firmware 3.0. The guide is applicable for Upgrading iPhone 2G/3G 2.2 or 2.2.1 to OS 3.0 and also for iPod Touch. Please note in order to upgrade iPhone to firmware 3.0 you must have installed iTunes 8.2.
How to Upgrade iPhone 3G 2.2/2.1 to 3.0 firmware
1. Connect your iPhone 3G to computer
2. Open iTunes 8.2
3. Select your iPhone under Devices in the Source List on the left.
4. In the iPhone Summary pane, click Check for Update.
5. Click Download and Install. Do not disconnect your iPhone until the update has finished
That’s it, Once update is finished your will have iPhone 3G running latest firmware 3.0.
If it was bought unlocked for under $700 then it was unlocked illegally after updgrading to 3.0 it is locked again. If you upgrade to any of appples unpdates your phone will be locked each time and you will have to wait for an unlock solution to be released each time. Currently there is no way to unlock the 3g under 3.0 firmware only the 2g is unlockable to the 3.0...I know case i have one. Jailbreaking and unlocking are different.You have to downgrade your firmware to unlock it. Restore your phone via iTunes using one of your old backups, you should be fine.
please check your iphone in settings and version and check what firmware version you have.
if you have an earlier version you can download an app from iphonedevteam.com called "yellowsnow"
the app will unlock you phone.
Go into your setting<General<Reset<Reset Network Settings
This should fix your problem if it does not then maybe your service provider is to blame, if not just faulty iPhone hardware. In that case you can take your phone into a Apple retail store with an appointment and get it swapped for a new one. ( as long as you are within your hardware warranty)
I also had purchased an Iphone clone not to long ago. My service provider was AT&T. 90% of the time when my SIM card was inserted the phone would read "emergency mode". I would have no service, I wouldn't be able to receive or send any calls or text messages. I talked to AT&T representatives who would solve the problem for short periods of time but never gave me a permanent fix. I immediately sent the phone back to the seller. I have been doing a lot of research on these Iphone clones and I have seen quite a few times that people have problems in this area, not being able to have service. Also, what you have purchased and think is a genuine Iphone very well may not be. Many models of these Iphone clones now have the Apple symbol on the back and even have the Apple logo displayed on the screen when they start up. This being the case, you may very well have purchased a fake Iphone which would lead to problems with your service provider. I'm not sure how to fix the problem, and for this I apologize because I know how frustrating it is not to have service. But, I can tell you that your best bet may be to return the phone and try something else. All I've heard is that the genuine Iphone is the best way to go. Because these clones are made by independent manufacturers and not sold through AT&T, even though they may seem nice, many people have constant problems with service. Good luck, and if you find an alternative solution please let me know!
Try this tijanotu:
You will need these files/program: 1. Ziphone 3.0 program 2. Ziphone Firmware Files 1.1.2, AND 1.1.4.To get these files open Ziphone 3.0 then Click Help and Support, then middle box on top of page Web Links Firmware Files 1.1.2 and 1.1.4 (to make it easier to find I always save everything to the desktop) 3. Kiphone http://www.iclarified.com/entry/comments.php?page=1&enid=1536#commentsanchor Not sure if all these steps are needed for success, I am just putting it all down becuase this is exactly what I did to get my cell signal back. First, I uninstalled itunes 7.7. Then I downloaded and installed itunes 7.5. At this point you will have to rename your itunes libray folder. Instructions are here: http://www.iclarified.com/entry/index.php?enid=1504 Next I downgraded the iphone to 1.1.2 using the link above. Downgrading steps: Connect phone to computer Open Ziphone 3.0 Click on Prepare for Upgrade (this will put iphone into DFU mode) Now you have to restore using itunes 7.5 (which will open up as soon as the iphone goes into DFU mode.) In itunes hold down SHIFT key (FOR WINDOWS) while pressing RESTORE. This will allow you to browse for the firmware file 1.1.2 you previously downloaded. Click on the 1.1.2 restore file and hit OPEN. This will begin the restoring process. You will probably get an error code noting the restore wasn't successful. Ignore this unless the error code number is in the 1600's. After this I tried to jailbreak my iphone using Ziphone 3.0 but wasn't successful so I: Repeated the restore process but his time restoring to 1.1.4. Got the same error saying that restore wasn't successful, which I ignored. Then I closed itunes, went into Ziphone 3.0 (iphone still connected to computer) and clicked on Do it all! Jailbreak worked fine except I still had no cell signal. To fix this I went to: Iclarified, (the BEST iphone website *******!!) Got Kiphone patch (see Number 3 above) installed it and got my cell service back.
ok this is wat i suggest just update to 1.1.1 its same thing this is also 4 any1 that wants to unlock there iphone. download firmware 1.1.1 place it on your desktop connect your iphone 2 your pc. now hold the home button and the sleep button at the same time until u see the connect to ituners or usb and cd depending on what firmware you have this is restore mode. go to itunes it will say your iphone needs restoration hold shift click restore an window will open up 4 u to chose wat file ul be using for restore use the firmware 1.1.1 that i told u to download it will restore your iphone but will get and error at the end. dont worry after that open up ibriker and click on boot iphone and ul be at the activation screen