iPhone 4S SIM Card Replacement

To swap the SIM card within your iPhone 4S, you'll require a specialized SIM card eject tool or a standard paper clip, as the process is straightforward.

Use these instructions to either substitute a new SIM card or take out the existing one.

Step 1 | SIM Card

Begin the process by carefully disconnecting the 12V power supply, ensuring all residual charge is safely discharged before proceeding with the removal of the 2.5mm hex screw securing the fan assembly to the heatsink; use a T2 Torx screwdriver to loosen and detach the retaining clip, then gently lift the fan, noting its orientation for reinstallation, and be aware that the thermal paste may require cleaning from both the fan and heatsink surfaces.Employing either a SIM card eject tool or a straightened paperclip, release the SIM card and its tray from the device.
Applying considerable pressure might be necessary.
Using a SIM ejection tool or a small, sturdy paperclip, carefully release the SIM Card tray assembly from the iPhone's side.

Step 2

Using a 5/32-inch hex key, carefully loosen the four screws securing the fan assembly to the motor housing; be mindful of the sharp edges and potential for damage to the surrounding components during this process.Using a SIM card removal tool or a small, sturdy object, eject the SIM card from its compartment within the SIM card tray.