How to unlock iPhone 4S | Bigunlock.com

Unlocking iPhone 4S

For unlock iPhone 4S following options are available. If you don't know which option use for unlock your phone, please contact us. We will help you choose the right product for your phone.

Select your network


UNLOCK iPhone 4S

 

How to unlock iPhone 4S ?

Network unlock for an iPhone 4S doesnt use a code or unlocking sequence. The device is remotely unlocked on Apple servers.
There are two types of instructions for iPhone 4S.

First option
1. Insert a simcard from a different network than the one working in your device.
the unaccepted simcard cannot ask for a pin code at the start. Please use a simcard that doesnt ask for a pin or turn the request for a pin code off.
2. Start the device and turn on Wi-Fi
3. Small update should be downloaded.
iPhone 4S is ready to work in any network.

Second option (if the Wi-Fi option doesnt work)
1. Connect iPhone 4S to the PC by cable with an unaccepted simcard insterted (simcard from a different network than the one where you bought the device)
2. Start iTunes application on your PC
3. Small update will be downloaded.
iPhone 4S is now network free.

The easiest way to check if iPhone 4S is permanently unlocked is by inserting a different simcard (from different networks).
If iPhone 4S comes from AT&T network and you insert Sprint carrier sim card and a message "iPhone has a simcard from a different network" or "incorrect simcard inserted" appears on LCD it means that the device is network blocked.
However if the device has a signal and you can make calls or send text messages iPhone 4S is unlocked.

If you dont have a simcard from a different network or you don't know the original network, you can use this service which helps you check your iPhone carrier and country check for iPhone 4S.
iPhone 4S can be permanently unlocked by adding the IMEI number to its producer's database.
In order to unlock iPhone 4S to work in any network, you must choose the network in which the device works.
Networks that can be unlocked for iPhone 4S include:
Sprint, T-Mobile, Verizon, AT&T, EE etc.
Use this link to check the current list of supported networks Supported iPhone 4S networks.
Find my iPhone (FMI) is a function that stops other people from using your iPhone 4S when it gets lost or stolen.
In order to remove the FMI blockade you need to enter an e-mail adress and password used by the owner of this device.

You can also check the FMI status on your iPhone 4S for free by using this link
Free FMI check for iPhone 4S. In order to check thet status on your iPhone 4S you need to enter your IMEI number.
Blacklist is a special type of database which includes all iPhone 4S which has been reported as lost, stolen or bills have not been paid.
In order to check the BLACKLIST status for iPhone 4S for free, you can use the following link.
iPhone 4S free BLACKLIST check. To check the status of BLACKLIST you need to provide the IMEI number of your iPhone 4S.

What our customers say about unlocking of Iphone

George

Unlock iPhone 7 Plus
★★★★★ 11 months ago

wonderful job, clear instructions, took a bit of time but it works fine. now I can change my AT&T network for another one, Thank you

Junior

Unlock iPhone 7 Plus
★★★★★ 2 years ago

Excelente servicio. Los recomiendo, Todo el proceso ha sido rapido y sencillo.