About This Firmware
iPadOS 4.3.3
(build 8J3) is an official Apple IPSW
for the iPad 1.
The download is 593.23 MB and 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 checksums below.
Filename
iPad1,1_4.3.3_8J3_Restore.ipsw
Checksums
SHA-256
579e481885741b181433d999f6ec63f75084d1ff1939dab9e876148b1640220d
SHA-1
e2906ef04d5991663cd6ea8b19548ec190144d46
MD5
d20493bb1ba0450f2ee01d081ba8eb27
Direct URL
https://secure-appldnld.apple.com/iPhone4/041-1010.20110503.ScEp3/iPad1,1_4.3.3_8J3_Restore.ipsw
Other Devices
iPad Air 13-inch (M4, Cellular)
iPad16,11
iPad mini 3 (Cellular)
iPad4,8
iPad mini 6 (WiFi)
iPad14,1
iPad Air 11-inch (M4, WiFi)
iPad16,8
iPad mini (GSM)
iPad2,6
iPad 5 (WiFi)
iPad6,11
How to Restore with This IPSW
iTunes / Finder
macOS & Windows- Download the .ipsw file to your computer.
- Connect your iPad 1 via USB.
- Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
- Update (keep data): hold Option (Mac) or Shift (Windows) and click Update, then pick the .ipsw file.
- Restore (erase & install): hold Option / Shift and click Restore iPhone…, then pick the .ipsw file.
- Wait for the process to finish - do not disconnect.
Restoring will erase all data on the device. Back up first.
3uTools
Windows- Download and install 3uTools from 3u.com.
- Connect your iPad 1 via USB and trust the computer on the device.
- Go to Flash & JB > Easy Flash.
- Click Import and select the downloaded .ipsw file.
- Choose Flash mode: Update keeps data, Restore wipes the device.
- 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 tipIf 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
- Quickly press & release Volume Up
- Quickly press & release Volume Down
- Hold Side button until screen goes black
- Hold Side + Volume Down for 5 s
- Release Side, hold Volume Down 5 more s
- Black screen = DFU active
iPhone 7 / 7 Plus
- Hold Sleep/Wake + Volume Down for 8 s
- Release Sleep/Wake, keep holding Volume Down for 5 s
- Black screen = DFU active
iPhone 6s and earlier
- Hold Sleep/Wake + Home for 8 s
- Release Sleep/Wake, keep holding Home for 5 s
- Black screen = DFU active