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Features:
1. For iPhone/iPad (cellular version) three-network universality.
2. Mobile card Unicom card Telecom card.
3. Three card slot positions, which can be used to place Nano SIM cards of any operator. The switch is used to switch the working status of three card slots.
4. Three different SIM cards are placed in three card slots.
5. Compatibility: For Apple / iPad Nano-sim card.
6. Preliminary diagnostic signal failure.
Options:
1. First generation for iPhone 4-XS, 13 MINI.
2. Second generation for iPhone XR/XS MAX/11/11 Pro/11 Pro Max/12/12 Pro/12 Pro Max/12 mini/13/13 Pro/13 Pro Max.
How to use IP universal test card:
1. Insert the commonly used three major operators nano sim into the three card slots.
2. Making the front of the slot surface toward you, and insert it horizontally into the SIM cart slot.
3. Swith SIM. Adjust the switch to any of the three ABC gears to be used. The operator to be tested simultaneously pulls out the entire test deck and pushed it in to re-detect the new operator.
4. There is a nano sim card pin test point on the test card deck, which is convenient for repairing the mobile phone without reading the card for quick detection. When testing the signal of SIM card at the test point, it is necessary to turn off the phone and measure the ground resistance. When the phone is turned on, the voltage signal and waveform can be tested.
