📌 What It Is
The JCID Tag-On Battery Repair Flex Cable is a special external repair strip/flex cable designed for iPhone 14 Pro and iPhone 14 Pro Max battery repairs. It’s used together with a JCID programmer tool (such as JC V1S, V1SE, V1S Pro, PRO1000S, etc.) to help fix software-related battery issues after replacing the battery.
Important:
⚠ This is not a replacement battery — it’s a repair accessory that helps reset battery information and eliminate battery warnings after battery replacement or repair.
🔧 Main Purpose / Function
When you replace the battery in an iPhone 14 Pro or 14 Pro Max (especially with a third-party or non-original battery), iOS may show messages such as:
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“Unable to verify this iPhone has a genuine Apple battery.”
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Battery health data not available
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Battery health stuck at an incorrect percentage
These warnings happen because newer iPhones store encrypted battery information that must be correctly programmed so the phone can read health, cycle count, and capacity. The JCID Tag-On flex cable lets a technician read and write the correct battery data using a compatible programmer, which can remove or prevent those error messages and restore proper battery health display.
📋 Key Features
🔹 Tag-On / External Design
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Connects externally to the battery connector / flex during repair.
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No soldering required — easy to attach and remove.
🔹 Works with JCID Programmers
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Designed to work with tools like JCID V1S, V1SE, V1S Pro, PRO1000S, etc.
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Enables reading and writing of battery health and cycle data.
🔹 Battery Data Modification
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Allows updated battery health info, cycle count, and other battery statistics to be written so iOS displays correct information.
🔹 Helps Remove / Avoid Battery Warnings
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Used during a proper battery replacement to remove the “Important Battery Message” or similar warnings after repair.
🛠 How It’s Typically Used
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Battery Replacement – The technician removes the old battery or connects the new battery’s flex.
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Tag-On Connection – The JCID Tag-On repair flex is connected to the battery connector.
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Programmer Tool – The JCID programmer is connected to the flex cable.
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Programming Step – Using the programmer software, the technician reads the original battery data and writes correct battery health / cycle count to the new battery info so that the iPhone recognizes it properly.
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Final Check – After programming, the phone will display correct health information without battery warnings.
📌 Why Technicians Use It
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To prevent or fix iOS battery error messages after battery changes.
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To display accurate battery health and cycle count after repair.
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To ensure seamless user experience so iPhone functions as expected post-repair.
🚩 Important Considerations
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This tool does not physically increase battery capacity or “boost” real battery performance — it only modifies the software data displayed to the system.
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A compatible programmer tool is required; this cable alone doesn’t program anything without that hardware.
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Some newer iOS versions may restrict certain battery programming functions, so success can depend on repair method and software conditions.
📦 Package Contents (Typical)
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1 × JCID Tag-On Battery Repair Flex Cable for iPhone 14 Pro / 14 Pro Max.




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