Unlock your iPhone 4S via IMEI number with doctorSIM

The fastest, safest and most efficient way to permanently unlock your phone

Unlock iPhone 4S

Request your iPhone 4S unlocking

Receive simple unlocking instructions via e-mail.
You will have your iPhone unlocked very soon.

Has your phone been blacklisted? Find out for sure with the Blacklist Check option below. If blacklisted, we will let you know in case you want to cancel your unlocking request +info.


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Phone Information and Contact Details

Type *#06# on the phone's keypad and send us the first 15 numbers.
Can't find the phone's IMEI number?
We will e-mail your instructions here.

(Optional) You will be notified via SMS when your instructions are ready.


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More than 18,500 reviews and ratings by real customers.

Unlocking iPhone 4S with doctorSIM is rated 4.8 out of 5 based on 68 reviews .