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Assuming you have purchased a code from a trusted provider.
Requirements: A locked iPhone, any incompatible SIM card (e.g., a dead T-Mobile SIM), and Wi-Fi.
Step 1: Insert the Foreign SIM Insert any SIM card that is not from your original carrier. The phone will reject it and show "SIM Not Supported."
Step 2: Enter the Emergency Menu
Tap "Emergency" (or press the Power button rapidly five times on some models). You are not actually calling anyone. Type the code to enter the SIM application menu. (Common code: *5005*7672*00# – but follow your tool’s instructions).
Step 3: Input the ICCID Code Select "ICCID Unlock" or "Edit ICCID" from the menu. Delete the existing numbers. Type the 18–22 digit code provided by your unlock tool. unlock sim iccid unlock tool
Step 4: Activate Press "Send" or "Accept." Reboot the phone immediately.
Step 5: Connect to Wi-Fi After reboot, go through the Hello screen. Connect to Wi-Fi. The phone should activate. You will see "iPhone is activated successfully."
Step 6: Verify Go to Settings > General > About. Scroll to "Carrier Lock." It will still say "SIM Locked." Do not panic. Insert your real SIM card. You will get signal.
Legit unlockers offer a 7-day money-back guarantee. If the code fails to unlock your "SIM Not Supported" error, you get a refund. Assuming you have purchased a code from a trusted provider
Because Apple burns codes quickly, a good tool offers auto-rotation. You install a profile on your iPhone that automatically updates the ICCID every week.
Best for: iPhone 7, 8, X, XS, XR on iOS 13.
How it works: Place the R-SIM chip between your SIM and tray. Dial *5005*7672*00# to enter the ICCID menu and type a "live" Golden ICCID. The chip mimics a valid carrier SIM.
Cost: $10–$20 (hardware).
Risk: Medium (physical damage to SIM contacts).
Before understanding the tool, you must understand the number.
ICCID stands for Integrated Circuit Card Identifier. It is a unique 18- to 22-digit code printed on the back of your SIM card. Think of it as the Social Security number for your SIM. The server checks if the ICCID’s prefix belongs
When you insert a SIM card into a locked phone, the phone sends a message to the manufacturer's activation server (e.g., Apple’s GSX server) containing:
The server checks if the ICCID’s prefix belongs to the original carrier. If it does, the phone works. If it doesn’t, the phone rejects the SIM.
Before understanding the tool, you must understand the number. ICCID stands for Integrated Circuit Card Identifier. It is a unique 18–22 digit code printed on the back of your SIM card. Think of it as the serial number of your SIM card.
When you insert a SIM card into an iPhone or Android device, the phone talks to Apple’s or Samsung’s activation servers. The server checks three things:
If the IMEI is not whitelisted for the carrier whose SIM you inserted, the phone rejects the SIM. However, the ICCID unlock tool exploits a loophole: It tricks the activation server into thinking your SIM card is a "whitelisted" test card used by Apple or the manufacturer.

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