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MH TECH PROFESSIONAL GUIDE iPhone Fault Ampere Sequence Professional DC Power Supply current reading reference for iPhone motherboard diagnostics. Identify boot stages, short circuits, NAND faults, PMIC issues, and boot loops using ampere sequence analysis. 0.000A Reading Indicates no boot condition. Possible VDD_MAIN short, PMIC enable issue, or battery communication fault. 0.020A Stuck Commonly related to Tristar, PMIC initialization, CPU enable sequence, or charging IC problems. 0.480A Stuck Usually caused by NAND communication failure or corrupted data loading sequence during boot. 0.700A Reboot Indicates boot loop, sensor panic, thermal panic, Face ID line issue, or peripheral communication failure. Fault Ampere Sequence Table Amp Reading Status / Possible Fault 0.000A No boot, PMIC enable issue, battery line fault 0.010A…

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