iPhone 6 Plus red screen

[tomerzhr]

Hello,
I gut iPhone 6 Plus from customer that get a red screen and then Apple logo and again red screen in loop.
The customer told me that he left his iPhone on the burning sun in the car for few hours.
I try to replace 2 times u2 still the same, replace both if touch still nothing I replace the u1401 because the pic not recognize the iPhone when I try to make restore, When I put in charger its turn on.
Rehote the nand, nothing.

Please need help what next.

[faishalrani]

Usualy if red screen processor is bad., but processor bad is cause others component., maybe u2 or proximity problem


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[T.N.T.Dynamite]

I have the same problem

[jimchu316]

to try into the DFU modle and recovey, get the error code.

red screen: to check U0301, U1401, U1700, U1901

good luck....


if error 9 or 56, 80% is U0301 faulty, rehot.

[tomerzhr]

the pc not reconize the device' so i cant restore it to get any idea by error what its the problem

[tomerzhr]

how can i check u0301?and where u1901?

[tomerzhr]

replaced u0301 and still the same

[rrvius]

Not recognised it means 100% faulty U2 ic replace and try some of time u get bad U2 ic's make sure it's it's 100% working and red lcd and logo it's become of proximity sensor problem change it or Chq near the proximity sensor connecter parts burn or damage or shorted

[MrMeowStix]

Try replacing the Proximity sensore

[jimchu316]

Originally Posted by tomerzhr

the pc not reconize the device' so i cant restore it to get any idea by error what its the problem

please look the picture,and to check 5v(USB 5v in), 3.7-4.2V（VCC_MAN）, 3.3V （USB IC PP）

then u can to know that which IC was not working, U1401, U1700 or Q1701?

[jimchu316]

1, check C1408, 5v
2, check C1704, 5v. if no, jumpe Q1701
3,check C1407,c1409,c1410,5v. if no, replace U1401
4, check C1417, 4.2v. if no, jumpe Q1403
5, check c1206,3.3v, if okay, and not reconize PC, replace U1700

[jimchu316]

Originally Posted by rrvius

Not recognised it means 100% faulty U2 ic replace and try some of time u get bad U2 ic's make sure it's it's 100% working and red lcd and logo it's become of proximity sensor problem change it or Chq near the proximity sensor connecter parts burn or damage or shorted

It is iphone 6 no iphone 5s, Not recognised it no means 100% faulty U2 maybe only 30%.

if the U1401 or Q1701 faulty, it canot recongnised too.

[Zubairpathan1]

check Nand Ic


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[tomerzhr]

still didnt find solution!

[modityx]

look for damage on the front camera fpc connector had this today was a pin damaged boot to apple logo boot to red reset was the symptom.
also swap front camera and prox flex.