iPhone 7 No Service After Dropping

Malfunction Phenomenon Receive an iPhone 7 with no service after dropping damage. Trouble Shooting Normally the no service might be caused by the Baseband and RF relevant circuit. Since the no service issue happened after dropping damage, first, we should take out the motherboard and check the cosmetic of the motherboard under the microscope carefully […]

iPhone 7 Sin Servicio

Malfunction Phenomenon iPhone 7 No Service But the IMEI and modern firmware information was normal in the general information list and also when dialing *#06#.  Trouble Shooting According to the malfunction phenomenon, we can conclude that the Baseband part was normal, the problem was from the Radio Frequency (RF) circuit.   Take out the motherboard […]

iPhone 7 Rear Camera Not Working

Malfunction Phenomenon iPhone 7 Rear Camera Not Working. The rear camera could not be turned on when taking pictures, but the facing camera works normally. Trouble Shooting Replace another camera to test first, but the problem still unresolved. So we took out the motherboard and checked the rear camera connector J4501 by measuring the diode […]

iPhone 7 Wi-Fi Not Working

Malfunction Phenomenon iPhone 7 Wi-Fi Not Working, the Wi-Fi option can not be turned on in Wi-Fi settings. And the screen gets stuck when checking the Wi-Fi address in the general option.     Trouble Shooting For the iPhone 7 Wi-Fi Not Working issue. Because the Wi-Fi could not be turned on, we have to check […]

iPhone 7 Vibration Not Working

Trouble Shooting iPhone 7 Vibration Not Working when we play a ringtone or some other relevant action. Trouble Shooting Replace another vibrator to test first, but the issue still unresolved. And continue to check the motherboard, there is no deformation or corrosion, the appearance is good. Then check the relevant pins on dock connector J4101, diode […]

iPhone 7 No Touch Con Líneas Verticales En La Pantalla

Malfunction Phenomenon Receive an iPhone 7 no touch. Besides, the phone displays vertical lines on the screen. Trouble Shooting There are 3 main reasons that can cause the vertical lines issue. The screen is broken Power to the screen PN5V7 was abnormal The touch circuit was broken   Based on the repair rule. First, we can try […]

Bucle de arranque en iPhone 7 y sin conexión con el ordenador

Malfunction Phenomenon iPhone 7 Boot Loop and No Connection With Computer Trouble Shooting Because the phone can’t be connected to the computer, we can conclude that the problem might be from the USB circuit. Take out the motherboard and check if there is any corrosion or deformation, the motherboard looks good. Continue to measure the […]

iPhone 7 Lower Loudspeaker Does Not Work

Malfunction Phenomenon iPhone 7 Lower Loudspeaker Does Not Work If we covered the top loudspeaker, there is no sound output from the phone when we play the ringtone. Trouble Shooting Take off the motherboard and measured the diode value on pin1 and pin3 of the charging connector J4101. The diode value on pin1 was 573, which […]

iPhone 7 Turns On With Black Screen

Malfunction Phenomenon iPhone 7 Turns On With Black Screen, but the boot current was normal. Trouble Shooting First, check the appearance of the motherboard, there is no trace of deformation or water damage. Then assemble the screen and connected it with the DC power supply, turned on the phone, the current value changed normally, but the […]

iPhone 7 no enciende con una corriente alta

Malfunction Phenomenon Try to press the power button to power on the phone, but the iPhone 7 Not Turn On with A Large Current. Trouble Shooting We checked the motherboard, there was no trace of deformation or water damaged. Then connect the motherboard with the DC power supply, the current jumped to around 1.2A, which is […]

El iPhone 7 no enciende con un consumo de corriente elevado

Malfunction Phenomenon iPhone 7 Won’t Turn On With A Large Current, once the motherboard gets connected with the DC power supply. Trouble Shooting Large current means somewhere is shorted. Because once the motherboard was connected with the DC power supply, the current jumps to a very high value, we can conclude that the short issue […]

iPhone 7 Home Button Not Working

iPhone 7 Home Button Not Working Malfunction Phenomenon Press the power button and power on the phone, the home button can not work and it’s burning hot. Trouble Shooting We checked the motherboard and home button, there was no trace of deformation or water damage, both of them seems good. We connected the motherboard with […]