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| Apple ACE3 Controllers | |
|---|---|
| Manufacturer | Apple |
| Code name | ACE3 |
| Release date | 2023 |
| Device type | Laptop |
This is a placeholder to document testing done with ACE3 controllers on Macbooks, and add knowledge tidbits as they trickle down. Once we understand these controllers, the page will be reorganized as a proper explanation on the ACE3.
Testing on A3113
Types of controllers encountered so far: SN25A23P.
Test 1 : Swapping UF400 and UF500
Test date: 2025.09.26
OS: Sonoma.
The device seems to work right away, and normally.
DFU Restore (Tahoe) : Ok.
Display output: Ok, both ports.
Charging: Ok.
Data (Thunderbolt): Ok.
Conclusion: Nothing abnormal, it looks like both are interchangeable.