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May 14, 2022 11:23 PM
Hey everyone I hope you have a good day, I recieved an iPhone 6s+ came in with no power. I diagnozed it and I found an OL on U2300 area also known as Tigris IC. I changed the chip and the amps drawn only at 0.42amps. From experience I tested it with a good new Tristar IC and I still get the same result.
Where should I test next? For instance what is the power sequence of this particular model. Thanks!
May 26, 2022 3:29 AM
hello there
did you cek conect coputer or not ?
You sure about tristart and tigris ?
for 0.42 amps
phone cant boot up because 1.8V or 3.3V or 3.0V not corect work
try measuer 1.8 and 3.0