Download iOS 4.2.1 (8C148) for iPhone 4 (GSM)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPhone3,1
iOS Version 4.2.1
Release Date 1970-01-01
Update Date 2025-04-30
Sha1sum
b8b485c111fc25515487dbada0f2e630b66ccdb1
Sha256sum
md5sum
93957e7bd21f0549b60a60485c13206a
Size 0.61 GB
FileName
iPhone3,1_4.2.1_8C148_Restore.ipsw
Status

Download IPSW (0.61GB) Check device info
No Information About the release Notes available at this moment.

Recommended Articles.

iOS 18.1.1 Update and iOS 18.2 Beta 4 Now Available
iOS 18.1.1 Update and iOS 18.2 Beta 4 Now Available
#News
Apple Pay Malfunction Triggers Unauthorized Charges in Hungary
Apple Pay Malfunction Triggers Unauthorized Charges in Hungary
#News
New Firmware Updates for AirPods and Beats: What You Need to Know
New Firmware Updates for AirPods and Beats: What You Need to Know
#News
Apple  iCloud Bypass Matrix 2025
Apple iCloud Bypass Matrix 2025
#Tutorials

Frequently Asked Questions

What is IPSWDL.COM?

+

IPSWDL.COM is a website that provides download links for IPSW files, which are used to install or restore firmware on Apple devices. These files are sourced directly from Apple's servers.

What is an IPSW file?

+

How can I use an IPSW file to restore my device?

+

Where can I download IPSW files?

+

What is the difference between IPSW and OTA updates?

+

Can I downgrade my iOS version using an IPSW file?

+