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I have an iphone 4 it seems to be unlocked. I have a Zain sim in it and i can see the bars and airtel in the left hand corner but I can't make any calls or receive any calls. Not sure why??

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Phone is blocked

Posted on May 23, 2011

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Posted on Jan 02, 2017

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Tip

How to UNLOCK iPhone 4, 3GS, 3G or older - iOS 4.0.1 (all baseband)


(Updated April 2011)kid_ant_12.png

This guide will help you unock your iPhone using ultrasn0w 1.3 to let you use sim cards from other carriers worldwide.kid_ant_12.png
This is ONLY FOR JAILBROKEN iPhones. If yours is not yet jailbroken, CLICK HERE for guide on how to jailbreak.kid_ant_12.pngUltrasn0w 1.3 unlocks the following basebands for all iPhones:
  • 01.59.00 - iPhone 4, iOS 4.0, 4.0.1 & 4.0.2
  • 05.13.04 - iPhone 3G & 3GS, iOS 4.0, 4.0.1 & 4.0.2
  • 05.12.01 - iPhone 3G & 3GS, iOS 3.1.3
  • 05.11.07 - iPhone 3G & 3GS, iOS 3.1 & 3.1.2
  • 04.26.08 - iPhone 3G & 3GS, iOS 3.0
  • 06.15.00 - iPad baseband, iOS 3.2.2 (for patching iPhone 3G & 3GS BBs past iOS 4.0.2) (?)
  • and all older versions
NOTE: 05.14.02 / 02.10.04 baseband from iOS 4.1 and all newer versions, do not have any unlocking tool yet. You can follow me on twitter (kid_ant) or subscribe to my YouTube channel (kidantvideos) for updates.kid_ant_12.pngMake sure you are connected to a WiFi signal then follow these steps:
  1. Open Cydiakid_ant_12.png
  2. Go to Manage and tap on Sources, at the middle of the pagekid_ant_12.pngkid_ant_72.jpg 435ee48.jpgkid_ant_12.png
  3. Tap repo666.ultrasn0w.com (If the repo is not in your Sources read below)kid_ant_12.png
  4. Tap ultrasn0wkid_ant_12.pnge05ef2e.jpg cb81d74.jpgkid_ant_12.png
  5. Tap Install, then tap Confirmkid_ant_12.png
  6. Wait until the installation finisheskid_ant_12.png
  7. Tap Reboot Devicekid_ant_12.pngkid_ant_71.jpg 28b836b.jpgkid_ant_12.png
After the reboot, you should get a signal for your sim carrier, wherever you are in the world. That means your iPhone is now unlocked.kid_ant_12.png


kid_ant_12.png
If repo666.ultrasn0w.com is not in your Sources, do this first:
  • While in Cydia's Sources page, tap Edit (top-right corner)kid_ant_12.png
  • Tap Add (top-left corner)kid_ant_12.png
  • Type this on the text box: http://repo666.ultrasn0w.com (with the number zero NOT the letter "O" in ultrasn0w)kid_ant_12.png
  • Tap Add Sourcekid_ant_12.png
  • Tap Done (top-right corner)
Proceed to number 3 on the first part of this guide.

on Aug 09, 2010 | Apple iPhone Smartphone

1 Answer

Got no connection to vodafone.co.nz


your mobile needs to be network unlocked. to be able to use any other sim expect vodafone

Oct 18, 2012 | Apple iPhone 4S

1 Answer

Apple 3gs unlocking


Default 4 Digit user code: 1234 or 0000
Default 6 Digit Security code: 123456 or 000000


Type *#06# at the mobile screen to know IMEI no of your mobile.
send the IMEI no to me and i will reply you with unlocking code.
IF Problem not Solved So
Please New Software install in the Phone Problem will Solved

Oct 05, 2012 | Apple iPhone 3G

2 Answers

Unlocking of iphone with some problems


Hi, Nothing to worry. You can know the network of your iPhone 4 by getting the Apple network an lock info service from http://www.simpleunlocking.com/apple-network-lock-info-service/rs16wp10/ Then you can unlock your iPhone 4 safer and easier through remote unlocking service. You can get the remote unlocking service for an iPhone 4 from http://www.simpleunlocking.com/apple-iphone-4/rs16wp9/ You can also visit http://www.mobileunlockguide.com/apple-iphone-4 This site provides free unlocking instructions. This could help you understand unlocking process better.

Oct 03, 2012 | Apple iPhone4 4G iPhone 4

1 Answer

How to get rid from sim restriction?


it seems your phone is locked. you need to unlock your phone. you can unlock your iphone using remote unlocking service. there are many providers now a days who help in unlocking mobiles. you can get this service from Simpleunlocking.com

Feb 17, 2012 | Apple iPhone Computers & Internet

1 Answer

I've bought a second hand iphone but I can't activate it with my sim card


http://www.youtube.com/watch?v=hj6yR1ySsL8

follow this and unlock your device , this also means jailbreaking
which also means free apps!
Also iphone 4 for AT&T is gsm so make sure your company supports gsm

hope this helps!

Oct 11, 2011 | Apple iPhone Smartphone

1 Answer

I have an iphone that display's No SIM at the upper left corner I cannot get internet


You will have to unlock your phone. Search google for the appropriate software to jailbreak and Unlock your iphone. For example: Iphone 3g 3.1.2 jailbreak unlock

Sep 11, 2009 | Apple iPhone 3G

1 Answer

Free unlocking


2 years i have purched c 139 motorola mobile with airtel sim but i want unlock my mobile fromt airtel so that I can use any other sim expiry of airtel sim

Aug 18, 2008 | Motorola Mobility TracFone C139-4 Cellular...

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