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4-inch iPhone released in March 2016 with similar hardware specifications to the 6S. Available in Silver, Space Grey, Gold, or Rose Gold with 16/32/64/128 GB storage options. Model: A1662 and A1723

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After repairing screen phone will not charge past one percent.

I replaced the screen on a friends iPhone SE, and afterwards noticed that it would not charge past one percent. Thought it perhaps was a software issue since it was still on iOS 9. Did a restore to 10.3.3 and it magically went to 44% but would not go past that. I ordered a new battery, hoping that was the issue but when I connect the new battery it doesn't go past 3% now. Have tried another restore but no luck. I've seen on here that at least one person had to have their board repaired to fix it. Any suggestions?

The phone has no water damage and was in great condition other than the cracked screen. I have repaired thousands of iPhones so I do not believe it was my error. I disconnected the battery before replacing the screen.

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Did you try putting the old screen back on the device? It is possible the new screen is drawing too much power and messing the power-regulation that the iPhone traditionally employs with the components. I've seen some low-quality or defective screens cause power fluctuations in the device in the past that was only resolved by replacing said screen.

It is also possible that the device is experiencing Tristar disease. Repair shops have been inundated with these issues as of late. It's caused by using non-Certified charging cables and accessories that power through the lightning port. It's pretty hard to tell without a full-on teardown of the cable (that would break it, obviously) but a good rule of thumb is if the cable cost less than $5 and came from a gas station, it's not a certified cable. Certified Cables, or mFI cables, employ a U2 chip that regulates power like a surge protector. If this is the case the phone will need board level repair on that chip to be up and running again.

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I have not tried putting the original screen on it to see as it's broken pretty bad but it's worth a shot. I'm afraid it might be the tristar issue you mentioned.

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ok. i will agree with @cvneutron on the fact that it might be the screen. otherwise not. because i bought a fake battery before and it never increase but decreasing. one repairer was already suggesting its the charging port but i disagreed. so i put back the old Battery and it work just fine.

only that the old battery don't last long.

but in your case. only if you can try those Battery on other device. we can rule that out and start from there.

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it ended up being the tristar power management component. user did not want to spend $ for additional repair since it was a free phone

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i'm sure it's bad Battery. the only way to rule that out is if the batteries can perform well from another iPhone.

until then get original Battery. there are way too much fake Battery in markets

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I did actually try a brand new battery from a reputable supplier.

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Chris k will be eternally grateful.
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