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Parts & Tools

はじめに

A physical dual-SIM iPhone XR/XS Max can be fascinating. However, only the special edition of the new iPhones for China supports two plastic SIM card slots instead of eSIM technology. If you've ever wanted two phone numbers on one iPhone XR/XS Max, check out the video now. Learn how to transform the regular nano-SIM slot of iPhone XS Max(American version) into a physical dual SIM version.

ビデオの概要

  1. Insert the SIM card. Go to Settings - General -About. We can see that there are two IMEI numbers, which means that the phone features dual-SIM support with an eSIM as well as a regular nano SIM card.
    • Insert the SIM card. Go to Settings - General -About. We can see that there are two IMEI numbers, which means that the phone features dual-SIM support with an eSIM as well as a regular nano SIM card.

    • Spread out the dialer board and make a phone call. We can only place a call with the physical SIM card installed.

  2. To transform the regular nano-SIM slot of iPhone XS Max into a physical dual SIM version, the first thing we do is to detach U_SIM from the board.
    • To transform the regular nano-SIM slot of iPhone XS Max into a physical dual SIM version, the first thing we do is to detach U_SIM from the board.

    • Then solder components to R30_SIM, R27_SIM, R26_SIM, R31_SIM, and R29_SIM. Replace the SIM card reader with a new dual-SIM card reader and the job is done.

  3. Place the motherboard on the platform. Separate the motherboard first.
    • Place the motherboard on the platform. Separate the motherboard first.

    • Stick high-temp tape on components around U_SIM. Detach U_SIM from the board with Hot Air Gun.

  4. The SIM card reader is soldered by high-temp solder paste. To protect components around from high-temp damage, we need to cut off the metal part of the reader with Cutting Nipper.
    • The SIM card reader is soldered by high-temp solder paste. To protect components around from high-temp damage, we need to cut off the metal part of the reader with Cutting Nipper.

    • Then continue to stick high-temp tape on components around the reader. Apply some Paste Flux around the SIM card reader and remove the SIM card reader completely.

  5. Apply Paste Flux to bonding pads of  R30_SIM, R27_SIM, R26_SIM, R31_SIM, and R29_SIM. Then apply solder paste to these pads with Soldering Iron.
    • Apply Paste Flux to bonding pads of R30_SIM, R27_SIM, R26_SIM, R31_SIM, and R29_SIM. Then apply solder paste to these pads with Soldering Iron.

    • Continue to solder four inductors respectively to bonding pads of R27_SIM, R26_SIM, R31_SIM, and R29_SIM. Then solder a 4.7K resistor to the bonding pad of R30_SIM.

  6. Apply some Paste Flux to the bonding pad of SIM card reader. Get a new dual-SIM card reader in position and then heat.
    • Apply some Paste Flux to the bonding pad of SIM card reader. Get a new dual-SIM card reader in position and then heat.

  7. Now, we need to reball the lower layer. Once completed, solder the two layers together.
    • Now, we need to reball the lower layer. Once completed, solder the two layers together.

  8. Get a SIM tray with dual-SIM card support and install two SIM cards of different carriers to the tray. Then insert the SIM tray into the phone completely.
    • Get a SIM tray with dual-SIM card support and install two SIM cards of different carriers to the tray. Then insert the SIM tray into the phone completely.

    • Hold the power button to turn on the phone. The icons in the status bar at the top of the screen show the signal strength of your two carriers.

    • Learn how to transform the regular nano-SIM slot of iPhone XS Max(American version) into a physical dual SIM version.

    • Credit: REWA Technology

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Phryne

メンバー登録日: 2019年11月17日

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