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Logic board replacement iPhone SE

I have new iPhone se 64gb. It was left in the closet for quite awhile. I tried to charge it and I only get the apple logo then the empty battery screen. The phone will cycle between the 2 screens as long as it is plugged in but will not charge. Apple did initial quick diagnostic and said it is the logic board. Apple wanted $275 to repair the phone which it does not worth it

Is is it possible the logic board to go bad on phone that was never used?

Where can I buy a logic board that is compatible with SE?

Will iPhone 6S logic board work in iPhone SE?

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I agree with the dead battery speculation, there's a good chance that's the issue as you said it was "left in the closet for quite awhile" and again you mentioned it was hardly used. Boot loop would be a typical symptom of a dead battery and can happen easily when left drained for some time. Wonder why somebody would want to replace a logic board without trying the most obvious and cheapest solution first. C'mon Apple, you can do better than that, can’t you really hire and pay decent techs ?

Try a battery replacement, if you want to do it yourself here’s the relevant guide:iPhone SE Battery Replacement

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6S board 100% not work in SE.... Is totally another board.... And new SE board you can buy on aliexpres... But buy with homebutton, when you not have originál button, not working after

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Unless the battery leaked, the logic board should not just die from neglect. Was the phone working perfectly before? Chances are the battery has slowly drained below a “safe” voltage, and the power management refuses to charge it.

There is a chance that the power management is broken. If that’s the case, then a logic board replacement/microsoldering repair would be needed.

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iphone batteries have over discharge protection, once the voltage goes below a threshold, the battery is locked out for safety.

You can reset this but it’s better to just replace the cell with a new one.

These batteries don’t “leak” so highly doubt damage to logic board from the battery

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True, they have over discharge protection. What I mean is that even after they're "locked out", the battery will continue to drain slowly by itself.

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