Apple iPad 1 iOS 4.3.3 IPSW firmware
Apple iPad 1
Not signed
iOS 4.3.3
Build 8J3 For iPad1,1, k48ap
Global · IPSW
A newer version is available for this region: iOS 5.1.1
Apple no longer signs this version, so a normal restore with Finder or iTunes will fail. Use a signed version unless you know you need this one.
Download
593 MB
Downloads from secure-appldnld.apple.com.
File details
- Device
- Apple iPad 1
- OS
- iOS 4.3.3
- Region
- Global
- Type
- IPSW
- Released
- Size
- 593 MB
- File name
iPad1,1_4.3.3_8J3_Restore.ipsw- MD5
d20493bb1ba0450f2ee01d081ba8eb27- SHA-1
e2906ef04d5991663cd6ea8b19548ec190144d46- SHA-256
579e481885741b181433d999f6ec63f75084d1ff1939dab9e876148b1640220d
After downloading, compare the checksum with the one above. If they differ, the file is incomplete — download it again.
Before you download
- Make sure your device’s model number is one of: iPad1,1, k48ap. You will find it in Settings → About phone, or on the box.
- This file is for the Global region. Installing another region’s firmware can remove features or block updates.
- Apple devices can only restore versions marked “Signed”.
- Back up your photos, contacts and files first, and charge the battery above 50%.
How to install
Use Finder on a Mac or the Apple Devices app / iTunes on Windows to install an IPSW file. Apple only accepts versions it is still signing, so check the “Signed” label before you download.
Read the guide: How to restore an iPhone, iPad or iPod with an IPSW file