For Apple iPhone 4 - Replacement heat dissipation film Rear case , battery cover

Keep your iPhone 4 running cool. Overheating can lead to battery swelling and sluggish performance. This high-conductivity thermal dissipation film is designed to pull heat away from the battery and CPU, spreading it evenly across the rear casing to ensure your device stays within safe operating temperatures.

• Thermal Efficiency: High-grade graphite material for superior heat transfer.

• Device Protection: Helps prevent thermal throttling and extends battery health.

• Full Coverage: Precision-cut to match the original iPhone 4 rear internal layout.