Apple iPod touch 4 iOS 4.1 firmware
Apple iPod touch 4
Not signed
iOS 4.1
Build 8B117 For iPod4,1, n81ap
Global · IPSW
A newer version is available for this region: iOS 6.1.6
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
580 MB
Downloads from secure-appldnld.apple.com.
File details
- Device
- Apple iPod touch 4
- OS
- iOS 4.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 580 MB
- File name
iPod4,1_4.1_8B117_Restore.ipsw- MD5
2e634d16d0e01ef70070c9a289e488ca- SHA-1
a464492bf6ad25d65b378c85d8b181f973ede38a- SHA-256
642929d3c0645279e7d64eb2afb10e111975aa470d4d228cbbf2918a97280483
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: iPod4,1, n81ap. 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