iPhone X does not display when it is turned on. A group of Mipi bus diode value is obviously wrong. The Mipi bus diode value must be almost the same, and short-circuit can be deducted from the exhaust sensor.Remember not to change it. It will be repaired.
iPhone 6s plug-in phone card shows no serviecs, and the detection found that the plug-in card shows no serviecs due to the damage of RF IC U_WTR_RF chip, and the fault was repaired after replacement.
iPhone X Won't Turn On,Colophony (Solder)Dafa found a small Capacitor Short circuit next to the BOOST chip, and repaired it after unplugging the auto power off source.
iPhone WiFi can't be used. After measurement, it is found that the WiFi EN line from the power chip to the WiFi chip has been disconnected and Jump wire will be repaired later.
iPhone 6 Plus screen is black or frozen mobile phone turns on Plus, tests VCC to be normal at 1.78V, determines the disconnection, and goes directly from the test point Jump wire to C2# of PAD, which can display normally after the power-on test.
iPhone 12 PRO MAX boot Blurred screen Restart repeatedly, after replacing 256G Nand, boot is normal.
Mobile phone water damage Won't Turn On, the measurement found that corrode on the side of USB chip was serious. Take down the USB chip, and replace the USB chip with the solder ball corrode under PAD.
iPhone promox flash can't be turned on. According to Boardview and schematic, the working conditions of the chip were measured. It was found that U6500 was damaged, and the fault was repaired after replacement.
iPhone 6 AUDIO CODEC IC corrode is damaged and there is no sound on the call. After replacing the AUDIO CODEC IC chip, the call is normal.