Monday, April 9, 2018

Iphone 6 Dead Boot Repair


Iphone 6 Custome Gave to Full Dead Contion. Nothing Sort In Phone .After Connect PSU Set Voltage Level 3.8 and Press On Switch Amps Goes 0.21. But Nothing Change in Display. After Remove U2 And Connect PSU Press On Button Amps Goes to 0.08. Remove Nand And Format After Reflash Phone. Phone Working Good. Below Voltage Sequence in Testing ( Power Rail )

PP_CPU 0.775V-1.0V                             -    1.0 V

PP_VAR_SOC 0.9V-0.95V                      -    1.0 V

PP_GPU 0.9V-0.95V                                -       0 V

PP1V8_SDRAM 1.8V CPU                    -  2.12 V

PP1V2_SDRAM 1.2V CPU                     -   1.4 V

PP0V95_FIXED_SOC 0.95V CPU        -   1.13 V

PP1V8 1.8V CPU                                      -   2.12 V

PP1V2 1.2V                                               -   1.4 V

PP1V8_GRAPE 1.8V                                 -   2.2 V

RESET_1V8_L                                           -  0.78 V

PP3V3-USB——A8 CPU                           -  3.75 V

PP1V8_VA_L9_L67——U0900?U1601    -   2.10 V

PP3V0_TRISTAR——U1700 USB

PP3V0_IMU——U1901

PP3V0_NAND——U0604

PP3V0_PROX_ALS——J111

PP1V0——A8 CPU


U_PMICRF

PP3V0_PROX_IRLED——J111

PP1V8_ALWAYS——A8 CPU

PP3V0_MESA——U2100

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