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[Jessa_the_Professa]

Posting here is fine--iPads have much less information that "fell off a truck" than iPhones, but we can try to help. I don't think weve ever...

[Jessa_the_Professa]

Okay sure--makes sense.

[Jessa_the_Professa]

You will have to guess. That’s just the way it is.
The people successful fixing Samsung boards begin with a deep knowledge of iPhone problems...

[Jessa_the_Professa]

Flash and camera do go hand in hand. This is not a signature problem, so step one is to be sure you have a known good camera—new isn’t always known...

[Jessa_the_Professa]

Yes! That’s the strategy. Figure out where the vccmain is by finding a big coil where one side is short. Then inject and see what gets hot....

[Jessa_the_Professa]

Ok--I understand. Making a "pad" isn't necessary at all, but making electrical connection is. In general when we have to work in an area...

[Jessa_the_Professa]

That sounds like you’re spending a lot of time worrying about details. What board are you talking about? What chip?

Are you sure that...

[Jessa_the_Professa]

Screen damage is at the top of the list. I would be surprised if it was anything else, so rule that out.

[Jessa_the_Professa]

Quick 861DW in working order is fine. How do we know if yours is in working order or not? By whether or not you can get chips off in 15 seconds. ...

[Jessa_the_Professa]

If your hot air station can’t get a chip off in 15-20 seconds then it is underpowered for this work, OR you have poor angle control. Practice on working...

[Jessa_the_Professa]

You want to be in the 15s range to remove chips. “Reflow” is not a strategy the we ever use in iPhone repair, unless it is to confirm a newly placed...

[Jessa_the_Professa]

Those voltages may be missing because they are not told to turn on. Home button function is difficult to troubleshoot because we can’t assess the button...

[Jessa_the_Professa]

Only a thin wire will get hot, and usually the short is caused by the creation of a thin wire. In your case, the most likely problem here is a thick...

[Jessa_the_Professa]

No—I mean AP eeprom not BB eeprom. In 8p it may he inside trinity chip. If there was any heat near trinity definitely reball that before reball CPU....

[Jessa_the_Professa]

home button function on iPhone 7 is pretty much a black box because we don’t have any ability to rule out problems in the part itself. There don’t...

[Jessa_the_Professa]

You will need a programmer to unbind the WiFi chip if you plan to replace it....

[Jessa_the_Professa]

The antenna is slightly damaged, that would be difficult to replace and probably not worth it. If you lost home button function after audio ic repair...

[Jessa_the_Professa]

A short within the wifi chip is common on iPhone 6s. Put a new battery in and see if it has rapid battery drain. Alternatively check the WiFi chip for...