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You start by showing your thinking on a problem from beginning to end. Why were you changing a camera LDO? Why also an adjacent chip for a completely unrelated system? if you have no display, then start at the display connector. Figure out what lines likely power image and what lines provide...

No Title These chips are Fascinating.

Your problem description is a little vague, but it sounds exactly like a problem that FixingMom recently had on my YouTube channel. Not sure if she figured it out.

What made you change U_DSM_RF?

Or in other words, you reflowed your fucked up tristar placement so that it was actually seated on the i2c pads and the phone worked. You never had a problem on PP_GPU and it is a horrible idea to spend time troubleshooting this line

what is "the baseband"? Is there some magical chip called "baseband" that substitutes for the 20 pages of schematics that dictate how the cell phone handles radio frequency? Tell me where this chip is, I know it is not on the schematic.

The expected voltage on GPU power here is 0V. Injecting voltage on this rail is a great way to kill a phone permanently. There is no rail more sensitive to injected voltage on the iPhone board than this one.

There is nothing I hate more than seeing people inexperienced with phones fuck people's data. It's not long screw damage. You fucked this phone. There is no path to data. If you're going to take a phone for repair that WILL BOOT and turn it into a phone that WILL NOT BOOT then make a backup...

Hey Menatwork, I rarely fix MacBooks but I'll give you some advice anyway. 1.) Not all boards are repairable. Accept that. 2.) You can't make a hard board easy. Just because you are familiar with one problem doesn't make the board in front of you have that problem. 3.) When a mentor tells you...

Raj--I get that you are trying desperately to learn, but WHAT THE FUCK! This has got to be as frustrating for you as it is for everyone else to read. You are just guessing randomly and there is no logic here at all, or even basic common sense. Fixing boards is learning to use logic, and...