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Apple's top-of-the-line smartphone for 2020. Announced on October 13th and released November 13th, the iPhone 12 Pro Max sports a 6.7" OLED display, a triple rear camera system with LiDAR, and 5G connectivity. Successor to the iPhone 11 Pro Max.

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Unable to verify this iPhone has a genuine Apple battery.

I bought an iPhone 12 Pro Max on Facebook Marketplace and I was in a hurry and didn't check the unit properly, when I get home I stumbled this message "Unable to verify this iPhone has a genuine Apple battery."

Does it mean the battery of this iPhone got replaced with non-genuine product? And how can I fix get rid of this message? I'm planning to resell it but I need to fix the battery problem first.

The seller deleted his Facebook profile so I couldn't return this iPhone. Thanks for your help in advance.

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Hi Marcial,

I've been keeping an eye on the subject of iPhones and serialized components, and here's my understanding of the current state for iPhone 12 Pro Max batteries.

First off, the battery is now serialized to the motherboard. Apple uses a proprietary encryption algorithm so only Apple can re-serialize a battery. The current workaround for this issue is to cut the BMS, or Battery Management System board off the original battery and spot weld it onto a new battery cell without a BMS.

That gets rid of the genuine battery warning, but the problem is it will still have the old battery statistics; specifically the health percentage and the cycle count. On batteries prior to the iPhone 11, you could reprogram those numbers with a QianLi or JC programmer, but after that Apple has continued their anti-repair program by encrypting that information so it can no longer be reprogrammed.

Once again, the aftermarket industry has jumped into the fray with what they're calling a tag-on flex cable. Basically, it's a tiny circuit that plugs in between the battery and the logic board. It intercepts the request for the battery data and allows existing programmers to access it. So with the tag-on board, you can once again reprogram the battery stats, resetting them as appropriate for a new battery. The tag-on board is then sealed in with the battery and stays in the phone permanently.

As you've already surmised, the only other alternative is to buy a genuine Apple battery directly from Apple and either have them install it or utilize the self-repair program to do it yourself. You'll save a little bit of money, but you'll have to rent the equipment from Apple and run their "calibration" software afterwards to serialize the battery to the phone.

That's my understanding of the current state of the batteries for your phone. You cannot get rid of the non-genuine message with just a programmer, but you will need one to reset the battery statistics in conjunction with using a tag-on board to allow you to program them.

So yeah, I'm hating on Apple for their chicanery; I'm looking at the iPhone X as about the last one where things like screen and battery replacements were straight-forward. If you want to skip the use of a device programmer altogether, you've got to go back to the iPhone 7 before True Tone was introduced.

Update (07/18/23)

Oh, by the way, you'll get that same message whether you use a genuine Apple battery or not if it wasn't replaced by Apple or one of their authorized service providers. Without the original battery, you won't be able to get rid of the message or see the battery health information without going to Apple.

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Thank you so much Jerry, this is very helpful.

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It's a aftermarket battery, nothing to worry about. If you want to get rid of the message you need to find a phone shop with the facility to remove it but many won't have. That or go to apple and pay a fortune to have a genuine battery fitted. There are loads of iphones fitted with aftermarket batteries.

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So some mobile repair phone shop can fix the issue without replacing the battery? I’m not keeping this iPhone that’s why the battery issue is bothering me. I bought it for $900AUD and I’m pretty sure I can’t sell it near for what I paid because the buyer knows the unit has been opened and repaired.

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if you get 3utools on your windows computer you find the old serial number for the genuine battery get a qianli programmer and put the serial number into it plug the battery in the programmer and program it you should lose the message

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Unfortunately I'm using Mac and can't find 3uTools software for Mac and Qianli Programmer set is more expensive than going to Apple and have a genuine battery replacement. As much as possible I don't want to spend much as I'm losing money already when I'm going to resell it again. Thanks Elias.

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Oh that's fine sorry I could not help

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