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How to Unlock iPhone 4 on iOS 4.x.x Using Gevey Pro? [Guide]

Here is a simple step-by-step guide to unlock iPhone 4 baseband 04.10.01, 03.10.01 or 02.10.04 on iOS 4.x.x (4.0, 4.1, 4.2.1, 4.3.3) using Gevey Pro. Before proceeding to the unlock procedure, make sure your iPhone is fully jailbroken and hacktivated on iOS 4.x.x. Also make sure your carrier support 112 as the standard emergency telephone number.

How to Use Gevey Pro (Guide)
Note: The only notable difference between Gevey SIM and Gevey Pro is the new IC which powerful enough to unlock your iPhone by spoofing the IMSI within seconds. The unlock procedure for both Gevey SIM and Gevey Pro is exactly same.

Steps to Unlock iPhone 4 on iOS 4.3.3/4.2.1/4.1/4.0 Using Gevey Pro

  1. Cut your SIM into standard micro SIM size. Once done, place the Gevey SIM interposer in SIM tray and then place your micro SIM card on SIM interposer. Make sure that your SIM card sits tight on SIM interposer and the SIM interposer sits tight on SIM tray.
  2. Go to Settings » General » Network and turn OFF 3G. Keep Cellular Data and Data Roaming option ON. Turn OFF your iPhone by using the Power button on the top.
  3. Insert your Gevey SIM tray into your iPhone along with Gevey SIM interposer and micro SIM card of unofficial carrier. Turn your iPhone ON by using the Power button on the top and wait until you see Gevey Pro welcome message.
  4. Once you see Gevey welcome message on your screen, tap on the Accept button and wait until you see 1-signal-bar. As soon as you see 1-signal-bar, go to the Phone app and dial 112. After exactly 2 seconds, tap on the End button to hang-up the call.
  5. Go to Settings app and turn Airplane Mode ON. Now wait for atleast 45 seconds until you see No SIM card installed message. As soon as No SIM card installed message pops-up, tap on OK button to close the message and turn Airplane Mode back to OFF.
  6. Now you will see SIM Failure message. Just tap on OK button to close the message and wait until you see full-signal bars on your iPhone.

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    Mike8 years, 6 months ago

    I think that the best method after gevey sim is imei <a href="“>unlock iPhone 4 / 4S without gevey sim.

    whitehat vps8 years, 8 months ago

    Hey if your the blog owner check it out: whitehat vps

    Gee8 years, 9 months ago

    Hi! If I have this gevey sim on my iPhone 4 then i’ll update it to iOs 5 will it work? Or I need to buy X-sim for example.

    Thamer10 years, 4 months ago

    What about facetime after using gevey pro is not working what should i do?

      Pramod10 years, 4 months ago

      You have got your iPhone Hactivated by jailbreaking your iDevice. Now, activate your iPhone officially via iTunes using SAM. Follow this guide

        Thamer10 years, 4 months ago

        doesn’t work for me do you have other advice for me?

    cliff10 years, 4 months ago

    if no accept than do this. Turn of your iphone then turn on
    after reboot, while the phone searching go to settings>phone>sim application, you will see Gevey technology, then choose English.

    After that the welcome message will appear and press accept and do the reset of the procedures.