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Apple ACE3 Controllers: Difference between revisions

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=== Test 1 : Swapping UF400 and UF500 ===
=== Test 1 : Swapping UF400 and UF500 ===
Test date: 2025.09.26
OS: Sonoma.
The device seems to work right away, and normally.
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.

Revision as of 11:54, 26 September 2025

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.