Galaxy Z Flip7 SM-F766B BIT 4 – Dead Boot & IMEI Repair

The Galaxy Z Flip7 SM-F766B BIT 4 repair pack (Firmware F766BXXU4AYI1, Android 16) is built for the global Exynos 2400+ variant of Samsung’s 2024 clamshell foldable. Running on Android 16 (One UI 8) with BIT 4 firmware, this solution equips GSM technicians to recover dead boot devices, perform IMEI repair, restore EFS partitions, remove MDM restrictions, and unlock carriers worldwide through CPID server integration.

Device & Firmware Information

• Model: Galaxy Z Flip7 SM-F766B (Global Exynos 2400+)

• Firmware Version / PDA: F766BXXU4AYI1

• CSC: EUX (Europe Open) / Multi-CSC global

• Bit / SW REV.: BIT 4

• OS / UI: Android 16, One UI 8

• Security Patch Level: September 2025

• Build Date: 2025-09

• Firmware Size: ~9–10 GB

• Firmware Download: https://samfw.com/firmware/SM-F766B/F766BXXU4AYI1

• Chipset: Samsung Exynos 2400+ (4 nm, global edition)

This pack includes a verified DEBUG_USB_RECOVERY file for BIT 4 (F766BXXU4AYI1), ensuring compatibility with Android 16 bootloader security protections.

Capabilities of the Pack

• ✅ Repair dead boot / bricked Exynos devices

• ✅ Perform full IMEI repair and restore EFS partitions

• ✅ Remove MDM / enterprise locks (PayJoy, RentCenter, etc.)

• ✅ Unlock global carriers via CPID server

• ✅ Works with Exynos repair tools (Octoplus, Chimera, EFT Pro, Z3X, etc.)

How to Flash DEBUG_USB_RECOVERY (SM-F766B BIT 4 – F766BXXU4AYI1)

1. Install the latest Samsung USB drivers: https://developer.samsung.com/mobile

2. Boot device into Exynos USB Recovery mode (button combo or test points if hard-bricked).

3. Open an Exynos-supported repair tool (Octoplus, Chimera, EFT Pro, etc.).

4. Load the DEBUG_USB_RECOVERY file from this pack.

5. Begin flashing → wait until confirmation of success.

6. Reboot phone; if required, enter recovery and wipe cache/factory reset.

7. If IMEI/network still fails → flash the EFS_ENG file.

8. For carrier unlock or MDM removal, complete via https://imeirepairserver.store/services.

Important Notes

• This solution is specific to Galaxy Z Flip7 SM-F766B BIT 4 (Firmware F766BXXU4AYI1, Android 16).

• Flashing on another bit/model may cause permanent damage.

• Always back up EFS and user data before repair.

With the F766BXXU4AYI1 BIT 4 DEBUG_USB_RECOVERY pack, GSM providers can reliably repair and restore the Galaxy Z Flip7 SM-F766B on Android 16 / One UI 8, covering dead boot fixes, IMEI/EFS repair, MDM removal, and global carrier unlocks via https://imeirepairserver.store/services