Apple Watch Ultra 3 Logic Board A3281 OEM Replacement Parts
A dead logic board does not mean your Apple Watch is done for.
- Brand: Apple
- Condition: Grade A - Excellent
- Fits Models: Apple Watch Ultra 3 (A3281)
Key Features
- Genuine Apple OEM main logic board, part number A3281.
- Fully tested and confirmed to power on and function normally.
- Confirmed unlocked, no iCloud or Activation Lock, cleared for full use.
Common Signs This Part Needs Replacing
This board is the core of the watch, controlling power, sensors, and wireless connectivity. Common signs this part needs replacing include the watch not powering on at all, the watch freezing or restarting on its own, sensors such as heart rate or GPS no longer working, cellular, WiFi, or Bluetooth connectivity failing, or the battery draining unusually fast even after a battery replacement.
What's Included
- 1 x Apple Watch Ultra 3 Logic Board, A3281
Installation Notes
No soldering required. The board swaps in using the existing flex connectors. Moderate to advanced disassembly skills are recommended due to the small connectors and adhesive components inside the watch case. Fully power down the watch and disconnect the battery before beginning the swap.