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Veröffentlicht am 21. September 2018. Modelle A1920, A2097, A2098, A2100. Erhältlich als GSM oder CDMA / eSIM oder dual-SIM / 64, 256 oder 512 GB / Silber, Gold oder Space Grau (Ausgesprochen "iPhone 10 S")

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Ifixit Batterie - Flash with previous Battery data

Hello,

i bought an Ifixit Battery and know, that changing the Battery gives the ugly "not genuie" Message. More sadly i am not able to see the degradation of the new battery.

So i tried to copy all data from the old Battery to the new one with a tool. But is this in general possible or a something missing in the ifixit battery?

Thanks already for your answers, Stefan

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Hi Stefan,

Unfortunately, this will happen with any battery you use to replace the original.

Beginning with the iPhone XS, Apple started pairing the small circuit board on the battery called the BMS, or Battery Management System, to the motherboard so that they would be the only ones who can replace a battery without losing health information and getting that non-genuine warning. Note that will happen even if you use a genuine Apple battery, because it's not the battery that's the problem, it's the parts pairing that only Apple can do.

So from Apple's point of view, the only way to get around the issue is to actually pay Apple to replace the battery, which of course, defeats the whole purpose of doing it yourself.

The aftermarket industry has figured out a workaround that solves those problems, but makes replacing the battery just that much more difficult. The first thing you have to do is to remove the BMS circuit from the old battery and solder or spot weld it onto a new battery cell, one that comes without the BMS. You can find all kinds of YouTube videos showing you how to do that. Unfortunately since Apple uses a proprietary encryption algorithm, you cannot copy the pairing information from the old battery to the new one, hence the need to keep the existing BMS.

That solves the non-genuine part warning, but has the downside of carrying your old battery health information over to the new cell. This is where your device programmer will come to your rescue in being able to zero out the cycle count and reset the health percentage back to 100%.

At that point you should be back in business with a new battery cell and the health information reset like it would be with a new battery. Of course, that assumes you've kept the old battery, which it sounds like you have, so that's good. Note that there's another step that seems to involve either plugging in an aftermarket battery and/or using something called a battery activation board; I'm afraid I'm not completely clear on exactly what that step is all about or how it works, so you might need to look into that a bit more.

Good luck; hope this information helps!

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Thanks for your Reply!

I thougt it was as „easy“ as o

n Displays were you can Flash the old Data to the new Display.

But what you wrote means, that there is a Kind of a serial number in the BMS which is ROM (read only)?

Greetings, Stefan

von

The answer is pretty technical, but yeah, you've got the idea; there's a number that has to match that only Apple can create, and it's tied to both the phone and the battery and cannot be copied.

That started on the iPhone XS for batteries, and they started doing it on screens as of the iPhone 11, and it's only getting worse, not better.

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Stefan Trampert wird auf ewig dankbar sein.
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