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iPhone 6s+ iPhone 6s+ iPhone8,2
IPSW Unsigned 19H357

iOS 15.7.7

OS
iOS
Version
15.7.7
Build ID
19H357
File Size
5.05 GB
Release Date
2023-06-21
Last Updated
2023-06-16

About This Firmware

iOS 15.7.7 (build 19H357) is an official Apple IPSW for the iPhone 6s+, released on 2023-06-21. The file is served directly from Apple's CDN. This firmware is no longer signed by Apple. Standard downgrades are not possible, but the file remains available for reference and advanced use.

Verify the download using the SHA-256 or SHA-1 checksum listed in the Checksums section below.

Filename

iPhone_5.5_15.7.7_19H357_Restore.ipsw

Checksums

SHA-256 73d9de616e07a8afe55963fad37dd1974c0032c8e840bf28d55d9878ff80a34a
SHA-1 68de73e6c2f5c8970b89b1dc93cc60342541ff2a
MD5 27d03bc9c5d961fce4a946bdc112af4f

Direct URL

https://updates.cdn-apple.com/2023WinterFCS/fullrestores/042-01833/EF990CC2-2F12-4E78-91CE-65AE8B6AA035/iPhone_5.5_15.7.7_19H357_Restore.ipsw

Other Devices

How to Restore with This IPSW

iTunes / Finder

macOS & Windows
  1. Download the .ipsw file to your computer.
  2. Connect your iPhone 6s+ via USB.
  3. Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
  4. Update (keep data): hold Option (Mac) or Shift (Windows) and click Update, then pick the .ipsw file.
  5. Restore (erase & install): hold Option / Shift and click Restore iPhone…, then pick the .ipsw file.
  6. Wait for the process to finish - do not disconnect.
Restoring will erase all data on the device. Back up first.

3uTools

Windows
  1. Download and install 3uTools from 3u.com.
  2. Connect your iPhone 6s+ via USB and trust the computer on the device.
  3. Go to Flash & JBEasy Flash.
  4. Click Import and select the downloaded .ipsw file.
  5. Choose Flash mode: Update keeps data, Restore wipes the device.
  6. Click Flash and wait for the progress bar to complete - do not disconnect.
Only flash firmware that matches your exact device model.

DFU Mode

Recovery tip

If your device is stuck in a boot loop or iTunes/Finder does not recognise it, enter DFU mode first, then select the .ipsw file as normal.

iPhone 8 / X and later

  1. Quickly press & release Volume Up
  2. Quickly press & release Volume Down
  3. Hold Side button until screen goes black
  4. Hold Side + Volume Down for 5 s
  5. Release Side, hold Volume Down 5 more s
  6. Black screen = DFU active

iPhone 7 / 7 Plus

  1. Hold Sleep/Wake + Volume Down for 8 s
  2. Release Sleep/Wake, keep holding Volume Down for 5 s
  3. Black screen = DFU active

iPhone 6s and earlier

  1. Hold Sleep/Wake + Home for 8 s
  2. Release Sleep/Wake, keep holding Home for 5 s
  3. Black screen = DFU active
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