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NO SERVICE ERROR: Try To Reset Network Settings…

If you are receiving a NO SERVICE error please try to reset network settings.  This may not work in all cases but this has been reported and confirmed to have resolved the NO SERVICE error.

It is really a simple process:

1. Insert unsupported Sim card  (The new carrier SIM card)

2. Navigate to: Settings

3. Go to General —-> Reset —-> Reset Network Settings.



How to restore an iPhone from recovery mode

Recovery Mode is what your iPhone goes into when you are doing a standard iOS upgrade or restore, but you may want to put your iPhone into recovery mode for other reasons too.


It may be required when:

  • Your device continually restarts but never displays the Home screen.
  • An update or restore did not complete and the device is no longer recognized in iTunes.
  • Stops responding, showing the Apple logo with no progress bar or a stopped progress bar, for over ten minutes.

Please note:

  • This should only be performed if a standard back up & restore fails.
  • You may not be able to recover data from an iPhone if you restore from recovery.
  • Your iPhone may be reset to factory settings. Perform at own risk.

You may want to know:

  • In certain situations, an iPhone, iPad, or iPod touch will automatically go into recovery mode after an update or restore issue. If your device is already in recovery mode, you can attempt to restore using iTunes.
  • If iTunes displays an alert with an error code, see this article before attempting the steps outlined here.
  • Recovery Mode is different than DFU mode because DFU mode bypasses the bootloader which allows for things like downgrading firmware. You can not downgrade firmware with Recovery Mode, you can only upgrade or restore.
  • Restoring your iPhone via recovery mode will delete all data on the device (if you go through the entire process; exiting recovery mode before completing a restore leaves your data intact), so it’s best to sync the device to backup your data, if you can, before following these instructions. But if you had previously synced with iTunes on this computer, you can restore from a previous backup. For the restoring process, see this article for more information.

Steps for entering Recovery Mode:

Follow these steps to place your iOS device into recovery mode. If your iOS device is already in recovery mode, you can proceed immediately to step 6.

  1. Disconnect the USB cable from the iPhone, iPad, or iPod touch, but leave the other end of the cable connected to your computer’s USB port.
  2. Turn off the device: Press and hold the Sleep/Wake button for a few seconds until the red slider appears, then slide the slider. Wait for the device to turn off.
    If you cannot turn off the device using the slider, press and hold the Sleep/Wake and Home buttons at the same time. When the device turns off, release the Sleep/Wake and Home buttons.
  3. While pressing and holding the Home button, reconnect the USB cable to the device. The device should turn on.
    Note: If you see the screen pictured below, let the device charge for at least ten minutes to ensure that the battery has some charge, and then start with step 2 again.



4. Continue holding the Home button until you see the “Connect to iTunes” screen. When this screen appears you can release the Home button:


   5. If necessary, open iTunes. You should see the following “recovery mode” alert:

9   6. Use iTunes to restore the device. For the restoring process, see this article for more information.

   7.If you don’t see the “Connect to iTunes” screen, try these steps again. If you see the “Connect to iTunes” screen but the device does not appear in iTunes, see this articleand its related links.

Note: If your home button is unresponsive and you are stuck at the screen with the Apple logo, you may try some softwares like Tiny Umbrella or RecBoot which can bring Apple to recovery mode without the need to press home button. But if this don’t work then you must first get the home button repaired in a hardware shop and then proceed with other software junks. If this fails too, you may need to re-install the iOS firmware.


How to enter DFU mode on an iPhone

Device Firmware Upgrade (commonly known as DFU mode) is not the same as restore mode. It allows to upgrade or downgrade your OS by bypassing the installed OS. If you are getting errors trying to restore in iTunes or Recovery Mode has not worked for you, you will want to use DFU Mode  as a last resort. The visual difference between DFU mode and Recovery Mode is that while Recovery mode has a picture that says connect to iTunes, in DFU mode, the iPhone screen backlight is not even on and the display is blank. If you have anything on your display, you are not in DFU mode.










Please note:

  1. This is only recommended as a last resort and could “brick” the device if not done properly.
  2. Perform at own risk.

Steps for entering DFU Mode: To put the iPhone into DFU mode so you can do an iTunes firmware restore, you can follow any of the following methods whichever works for you.

Method 1:

A: Attach the phone to your MAC/ PC; open iTunes and connect the iPhone to your system.

2B: Press and hold the Home button and the Sleep/Wake button at the same time.



C: After exactly 10 seconds release the Sleep/Wake button. Continue holding the home button until iTunes pops up a message telling you that it has detected an iPhone in recovery mode.


D: The iPhone screen will remain black like this:


NOTE: It may take a few attempts to get your iPhone into DFU mode. Hold down both buttons then release the Home button just before you think the Apple logo would appear. If you are still holding both buttons down and you see the Apple logo you are holding them down for too long!

Method 2:

  1. Hook up the phone powered on to the PC.
  2. Now hold home / power until the phone turns off and keep holding for 10 seconds. If the phone ever turns on during this phase, start over and hold for less time.
  3. Now release power and continue holding home until the PC recognizes the phone.
  4. This method is generally not preferred because of instances where it may cause some 1604 errors in the restore. However, this may not occur.

Method 3:

  1. Attach the phone to the PC.
  2. Turn the phone off
  3. Press and hold power. Keep holding power. As soon as you see display on the screen of any sort press and hold home.
  4. Hold power and home together for *exactly* 10 seconds
  5. Release power but keep holding home until the PC beeps as a USB device is recognized.
  6. At no point will the display come on. Now your restore should work.

If you are having problems, try adjusting the 10 seconds to slightly less like 9 seconds, then 8, then 7. It’s a tricky timing but you will eventually get it. If you have MAC OSX 10.5.6 or a MAC Book slim and facing problem in entering DFU mode, here is an easy fix:

  1. You will need an account with ADC (Apple Developer Connection) this is free and takes a few minutes to sign up, you should read the terms and conditions carefully and you should only sign up if you are thinking of developing applications in the future. Refer tothis link.
  2. Download the disk image “IOUSBFamily Log release for Mac OS X 10.5.5 Build 9F33” (yes, that is a “5” in 10.5.5 – this is a developer debug package of the USB kernel extension).
  3. Install IOUSBFamily-315.4.1.pkg from within the disk image.
  4. Reboot your system!


What is is the best online tool that reports sightings of upgraded Tmobile (1900) markets.

So, you have successfully unlocked your iPhone and you are trying to use Tmobile as your carrier…

BUT, the iPhone is displaying NO SERVICE….

There is a good chance that you are not in an updated Tmobile market.

For the iPhone to work on Tmobile it must use the 1900MHz or PCS/UMTS band II.

Please check with your local Tmobile store to make sure you are in an upgraded market.

You can search for you zip code with this handy tool:


Again, the sure-fire way to tell if your phone should work in your area is to visit your
local Tmobile store!!!


Activation Server Is Temporarily Unavailable

Could Not Activate iPhone

Your iPhone could not be activated because the activation server is temporarily unavailable. Try connecting your iPhone to iTunes to activate it, or try again in a couple of minutes.

This is the error you will receive if the Apple activation server is overloaded or unavailable.  If you receive this error please try again after 15 minutes and try to activate or restore your iPhone again.




If your iPhone displays NO SERVICE after you restore with iTunes please try this:

1. From the Home screen, tap Settings→General→Network; where it says Enable 3G, tap to turn it Off.

2. Now turn 3G back on.




Compatible SIM Cards Error

Only Compatible SIM cards from a supported Carrier may be used to activate iPhone.  Please insert the SIM card that came with your iPhone or visit a supported Carrier’s store to receive a replacement SIM card.




Unable to Continue with Activation

We’re sorry, we are unable to continue with your activation at this time.
Please try again later, or contact customer care.

It’s okay, this happens all of the time.  Just try again in about 30 minutes.



iPhone Error Number 9

Error 9: This error occurs when the device unexpectedly drops off the USB bus and communication stops. This can occur if the device is manually disconnected during the restore process. This issue can be resolved by performing USB isolation troubleshooting, using a different USB dock-connector cable, trying another USB port, restoring on another computer, or by eliminating conflicts from third-party security software.

There are reports that the problem was solved by:

1. Disconnect the USB cable from the iPhone

2. Disconnect the USB cable from the Computer

3. Connect the USB cable to a different USB port

4. Connect the USB cable to your iPhone

5. In iTunes, try the restore process again