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Apple iPhone 12, iPhone 12 mini, iPhone 12 Pro JCID PRO1000S, V1S Battery Tag-On Flex Cable – a unique accessory designed for programming battery Health and altering the charge cycles of your device using the JC PRO1000S or V1S programmer (sold separately). This feature becomes necessary when the battery is replaced with a new one, and you wish to avoid the Apple error message "Important Battery Message, Unable to verify this iPhone has a genuine Apple battery. Health information not available for this battery." This message typically appears after a non-Apple authorized service changes the battery.
This issue arises because the original battery of the phone is cryptographically linked to the device, and the unique code is stored in the battery's flex cable chip. Only an Apple authorized service can reprogram it or instruct the phone that a new battery will now be associated with a different encrypted code.
To prevent this error after battery replacement, a workaround involves removing the charge regulation chip from the old battery (from the positive and negative terminals) and re-soldering it to the new battery using a spot-welding device.
After these steps and after connecting the new battery to the BMS chip of the old battery, the phone will display the status of the previous battery and save the charging cycles of the previous battery. This is where the JC Tag-On flexible connector for Apple iPhone 12, 12 mini, 12 Pro comes in. After connecting the Tag-On Flexible Cable to the battery connector and carefully bending it to match the position of the original battery connector, you'll be ready for the next step.
The battery, now connected with the appropriately folded JC Tag-On connector, is linked to the JC PRO1000S or V1S programmer that has a battery repair PCB module attached. Then, using the JC PRO1000S or V1S programmer, you can reset the Health to 100% and the charge cycles to 0, reflecting the new battery's actual health and charge cycles.
After this step, the battery is reconnected to the phone. The phone's settings will display 100% battery Health and the device memory will record 0 charge cycles. These will change only from the moment you start charging your phone.
The video below provides visual information on the spot welding process and the correct way to fold the battery connector and the JC Tag-On connector.
The Apple iPhone 12, 12 mini, 12 Pro JC PRO1000S, V1S Battery Tag-On Flex Cable is an ideal tool for anyone looking to replace their iPhone battery without encountering Apple's authentication error message. It provides a simple solution for maintaining an accurate battery health reading and charge cycle count, offering a seamless user experience after battery replacement.
Note: The programmer (JC PRO1000S or V1S) required for this process must be purchased separately.
