3 in 1 Universal IP Test Card Mobile Phone SIM Test Card Repair Tool for iPhone for Samsung Huawei Android Signal Testin

Features Preliminary diagnostic signal failureFor iPhone ipad card version three network universality Mobile card Unicom card Telecom card1 This product is suitable for the whole Apple series the whole iPad card version series do not support other brands 2 This product has three card slot positions which can be used to place Nano SIM card of any operators The switch is used to switch the working status of three card slots Three switchs for switching 3 different SIM cards Immersion gold processnot easy to wear 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 Package Included 1 x Universal IP Test CardDetail Pictures