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Zeus

Install apps, games and emulators on your iPhone and iPad, signed right on the device.

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Version 3.1.4 · iOS 17 or later

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© 2026 Zeus. All rights reserved.

Not affiliated with Apple Inc. iPhone and iPad are trademarks of Apple Inc.

  1. IPSW
  2. iPhone
  3. iPhone 3G

iPhone 3G IPSW downloads

Model iPhone1,2 · Board n82ap · 16 versions

Signed now

Apple is signing these versions, so they install with a normal restore.

  • iOS 4.2.1Latest

    Build 8C148 · Unknown date · 323 MB

    Download

  • iOS 4.1

    Build 8B117 · Unknown date · 308 MB

    Download

Restoring wipes all data. Back up your device first. How to restore

All firmware

16 versions

Newest first, every release Apple has published for this model.

  • iOS 45
  • iOS 35
  • iOS 26

iOS 4

5 builds
iOS 4 firmware for iPhone 3G
VersionBuildReleasedSizeStatusDownload
iOS 4.2.1LatestSigned

8C148 · Unknown date · 323 MB

8C148Unknown date323 MBSignedDownload
iOS 4.1Signed

8B117 · Unknown date · 308 MB

8B117Unknown date308 MBSignedDownload
iOS 4.0.2Unsigned

8A400 · Unknown date · 305 MB

8A400Unknown date305 MBUnsignedDownload
iOS 4.0.1Unsigned

8A306 · Unknown date · 305 MB

8A306Unknown date305 MBUnsignedDownload
iOS 4.0Unsigned

8A293 · Unknown date · 292 MB

8A293Unknown date292 MBUnsignedDownload

iOS 3

5 builds
iOS 3 firmware for iPhone 3G
VersionBuildReleasedSizeStatusDownload
iOS 3.1.3Unsigned

7E18 · Unknown date · 228 MB

7E18Unknown date228 MBUnsignedDownload
iOS 3.1.2Unsigned

7D11 · Unknown date · 242 MB

7D11Unknown date242 MBUnsignedDownload
iOS 3.1Unsigned

7C144 · Unknown date · 242 MB

7C144Unknown date242 MBUnsignedDownload
iOS 3.0.1Unsigned

7A400 · Unknown date · 230 MB

7A400Unknown date230 MBUnsignedDownload
iOS 3.0Unsigned

7A341 · Unknown date · 230 MB

7A341Unknown date230 MBUnsignedDownload

iOS 2

6 builds
iOS 2 firmware for iPhone 3G
VersionBuildReleasedSizeStatusDownload
iOS 2.2.1Unsigned

5H11 · Unknown date · 246 MB

5H11Unknown date246 MBUnsignedDownload
iOS 2.2Unsigned

5G77 · Unknown date · 246 MB

5G77Unknown date246 MBUnsignedDownload
iOS 2.1Unsigned

5F136 · Unknown date · 238 MB

5F136Unknown date238 MBUnsignedDownload
iOS 2.0.2Unsigned

5C1 · Unknown date · 249 MB

5C1Unknown date249 MBUnsignedDownload
iOS 2.0.1Unsigned

5B108 · Unknown date · 249 MB

5B108Unknown date249 MBUnsignedDownload
iOS 2.0Unsigned

5A347 · Unknown date · 225 MB

5A347Unknown date225 MBUnsignedDownload