Original Battery 4823mAh by iPhone 17 Pro Max A3257 european version 661-56049 Service Pack

Original 4823mAh Battery for iPhone 17 Pro Max (A3257) European version 661-56049 Service Pack

Original 4823mAh battery for iPhone 17 Pro Max with technical model A3257 European version and part number 661-56049 in Service Pack quality, designed to restore autonomy and energy performance according to factory specifications. This replacement integrates a calibrated Lithium-Ion cell to maintain proper charge management, thermal stability and motherboard communication. Specifically developed for iPhone 17 Pro Max A3257, it guarantees precise internal fitting, exact connector alignment and reliable battery percentage reading in iOS. Intended for professional workshop repair, including charging test and consumption verification before final device sealing.

Key Features

• Nominal capacity: 4823mAh
• Compatible technical model: A3257
• Part number: 661-56049
• Technology: Lithium-Ion
• European version
• Compatible exclusively with iPhone 17 Pro Max

Advantages and Quality

Original Service Pack quality ensures full correspondence in dimensions, connector type and electrical parameters compared to the factory-installed battery. It maintains a stable discharge curve, correct system synchronization and protection against overcharge, overheating and voltage fluctuations. This solution is aimed at professional repairs seeking to restore real device autonomy without additional modifications. Its precise assembly simplifies installation and minimizes electrical incompatibility or reading error risks. Ideal for technical interventions requiring post-repair reliability and long-term energy stability.

Free from non-original replacement warning in iOS after installation. However, it cannot be guaranteed that future iOS updates will maintain this behavior, as Apple may modify verification and pairing policies at firmware or software level.

Installation Tips

1. Power off the device completely before starting the repair.

2. Disconnect the battery before handling other internal components.

3. Carefully remove original adhesive using proper tools without damaging the chassis.

4. Install new battery-specific adhesive strips.

5. Perform power-on and full charging cycle test before sealing the device.

6. Verify charging stability and consumption during the first cycles.

Notice

Product intended for professional installation. Battery calibration after replacement is recommended to optimize percentage reading and autonomy.

Technical Table

Brand | Compatible Models | Technical Model | Part Number | Component Type | Dimensions | Capacity/Voltage | Quality
Apple | iPhone 17 Pro Max European version | A3257 | 661-56049 | Internal Lithium-Ion Battery | — | 4823mAh | Service Pack