Latest Samsung Galaxy Z Fold 7 (SM-F966U1) - ACG firmware

Samsung Galaxy Z Fold 7 (SM-F966U1) firmware for Nextech / C-Spire (ACG): 3 builds in the SamMobile archive, newest first. The latest is F966U1UEUCCZIH (Android 17, built 19 September 2026). Open a build to download it, or switch region with the country selector.

SM-F9660 SM-F966B SM-F966N SM-F966Q SM-F966U SM-F966W SM-F966Z

Model		Build date	PDA	Version
SM-F966U1	Nextech / C-Spire	2026-09-19	F966U1UEUCCZIH	17
SM-F966U1	Nextech / C-Spire	2026-07-02	F966U1UESBBZG3	16
SM-F966U1	Nextech / C-Spire	2026-03-30	F966U1UES9AZC8	16

Model	Country/Carrier
SM-F966U1	Nextech / C-Spire
Build date	PDA
2026-09-19	F966U1UEUCCZIH
Version
17

Model	Country/Carrier
SM-F966U1	Nextech / C-Spire
Build date	PDA
2026-07-02	F966U1UESBBZG3
Version
16

Model	Country/Carrier
SM-F966U1	Nextech / C-Spire
Build date	PDA
2026-03-30	F966U1UES9AZC8
Version
16

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Latest Samsung Galaxy Z Fold 7 (SM-F966U1) - ACG firmware

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