1. Heart rate sensor back glass lens cover replacement part for Samsung Galaxy Gear S3 classic SM-R770.
2. Replace the old, broken, cracked, or damaged one.
3. Each item has been checked and in good condition before shipping
4. Completely fit and work
5. Highly recommend professional installation. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts
2. Replace the old, broken, cracked, or damaged one.
3. Each item has been checked and in good condition before shipping
4. Completely fit and work
5. Highly recommend professional installation. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts