R-SIM 20: iPhone 12-17 Standard Series Locked Phones: Built-in MEP IC Modification Solution & TutorialThis solution adopts built-in IC integration technology, directly implanting the unlocking chip into the internal card slot of the phone. No external SIM card sticker is required, allowing locked phones to regain the "unlocked phone" plug-and-play experience.
Compatible Models: iPhone 12/12pm/13/15/15 Plus/16/16 Plus;
Process: Disassemble the original phone's card slot module; Install the built-in MEP IC integrated card slot; Fasten the precision flat cable and tighten the screws.
Effect: The 12 series achieves stable single-card functionality; the 13/15/16 series perfectly enables dual-card dual-standby.
US Version iPhone 14/14 Plus (Native eSIM Models Without Card Slot);
Core Operation: Motherboard underlying circuit activation + physical card slot installation.
Key Short-Circuit Step (Requires Senior Technician Operation);
For US version models, the SIM signal link must be activated through precision short-circuiting.
Operation Standard: Please strictly refer to the microscope real-shot images below to ensure accurate point short-circuiting.
[Real-shot Image: Motherboard Short-Circuit Standard]
Note to Technicians: Only short-circuit the red-marked area shown in the image; a 0-ohm resistor can be used for direct short-circuiting.
Effect: Transform a phone without a card slot into one with physical dual-card dual-standby. Hardware-level unlocking ensures ultra-stable signals
🎯 Always use the correct tools and follow proper procedures!
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IphoneTool