Is Your Iphone 4 works only with one sim card ?
This is mean that Your Iphone 4 is locked (simlock) and can be use only with sim card from network You bought it.

If You like to use Your 4 with other sim cards (if Your phone uses Vodafone and You wish to use Orange) You need to unlock it.

Sim-unlock.net is specialising in fast and easy phone unlocking. We are using the latest unlocking technology, that's why the unlocking with us save time and problems.
You don't need any special skills or knowledge to unlock Your 4 .

So Your iPhone 4 is locked to Fido and You can't use it with eg rogers, at&t, telus or koodo ?

Now You can unlock Your iPhone to use all sim card.

Permanent unlocking allow You to change Your iPhone iOS without relocking.

On this video You can watch unlocking procedure

For unlock Iphone 4 do only this steps:

1. go to sim-unlock.net and choose Your Iphone model or go directly to unlock by code Iphone 4
2. press "Unlock Iphone 4"
3. Choose unlock product for Your Iphone ( in some cases only one product is available )
4. Enter your Iphone IMEI number and if needed other required information.
5. press "order code"
6. at shopping cart fill all needed information like name, e-mail and others
7. Pay for an unlock code
8. after average time (check how much it takes for chosen product) You will receive all codes and unlock guide to Your Iphone 4 .

Easy way to enter unlock code to Iphone 4 :

After receiving information about the fact that the IMEI has been saved to the database Apple, do as following:

1. Connect your iPhone 4 to your computer by using USB cable

2. Launch iTunes

3. information about available updates for your iPhone will shown, upload them

4. iPhone 4 is unlocked now

Sometimes necessary to change the software to the highest available version.

After unlocking You can use Your Iphone 4 with sim cards from differents network like vodafone, t-mobile, O2, movistar, orange.
Unlocking by code Iphone 4 is easy, fast and cheap.
What You can do if Your Iphone 4 work only with one sim card ? You can unlock it using sim-unlock.net
Unlocking also allow You to increase value of your Iphone 4 because it can be used with all network cards.

Why unlock Iphone 4 and why choose sim-unlock.net ?
- our support will answer to Your question and problems while unlocking Iphone 4
- we always inform You how to enter unlock code to Your Iphone
- we give 100% support in case of any problems while unlocking Your Iphone 4
- unlock your Iphone 4 without leaving home
- waiting time for the code was reduced to a minimum by an automated system on our website
- opportunity to buy a foreign SIM card in another country to avoid roaming charges

See More: [video] How to fast unlock iPhone 4 from FIDO full permanent iPhone unlock