Apple iPod touch 3 iOS 4.2.1 IPSW firmware
Apple iPod touch 3
Not signed
iOS 4.2.1
Build 8C148 For iPod3,1, n18ap
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
389 MB
Downloads from secure-appldnld.apple.com.
File details
- Device
- Apple iPod touch 3
- OS
- iOS 4.2.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 389 MB
- File name
iPod3,1_4.2.1_8C148_Restore.ipsw- MD5
25dbf5b3e5ca39edd0aab8fcab888503- SHA-1
1127a042c535f7cf0be950ff8946862d5fb05b36- SHA-256
9b44986e5df685278d940069af924f11fcf247b2af7e20b34d2ab607efddb0dc
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: iPod3,1, n18ap. 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