Ad Blocker Detected!

To access this site, please disable your ad blocker.

Choose Product
Choose a

Product

Choose Platform
Choose a

Platform

Choose Version
Choose a

Version

Click Download
Click on Download

Download Developer Transition Kit IPSW Firmware Files

Browse all available IPSW and OTA firmware files for the Developer Transition Kit (identifier: ADP3,2, board: J273aAP). Signed IPSW files can be restored directly via iTunes or Finder. Unsigned IPSWs require alternative methods. All firmware files are sourced via direct links from Apple's official servers.

Signed IPSW files can be restored via iTunes. Unsigned IPSWs cannot currently be restored via iTunes.

Signed IPSWs

✓ iOS 11.2.3 (20D91) Normal Release 8th March 2021 12.77 GB UniversalMac_11.2.3_20D91_Restore.ipsw
✓ iOS 11.2.2 (20D80) Normal Release 25th February 2021 12.76 GB UniversalMac_11.2.2_20D80_Restore.ipsw
✓ iOS 11.2.1 (20D74) Normal Release 9th February 2021 12.76 GB UniversalMac_11.2.1_20D74_Restore.ipsw
✓ iOS 11.2 (20D64) Normal Release 1st February 2021 12.76 GB UniversalMac_11.2_20D64_Restore.ipsw
✓ iOS 11.1 (20C69) Normal Release 14th December 2020 12.95 GB UniversalMac_11.1_20C69_Restore.ipsw
✓ iOS 11.0.1 (20B29) Normal Release 18th November 2020 12.68 GB UniversalMac_11.0.1_20B29_Restore.ipsw

Unsigned IPSWs

No unsigned IPSWs available for this device.

Device Information

Identifier: Developer Transition Kit
BoardConfig: J273aAP
Platform: t8027
CPID: 32807

How to Install?

Before installing make sure to follow these steps given below

Step 1 - Backup your data before installing IPSW

Step 1

Backup your data

Make sure you have backed up your device using iCloud or iTunes on your PC or Mac. Otherwise, you may lose your data.

Step 2 - Connect your Apple device via USB

Step 2

Connect your device

You can connect your device using a Lightning or USB-C cable to your PC or Mac.

Step 3 - Turn off Find My iPhone before restore

Step 3

Turn off Find My

On your device, go to Settings - [your name] Find My - Find My iPhone/iPad, then turn off the Find My iPhone/iPad.

Step 4 - Install the IPSW file using iTunes or Finder

Step 4

Install .ipsw file

In iTunes or Finder (Mac), hold down the Shift key (or the Options key on a Mac) and click on Restore iPhone... button.

Step 5 - Restore your backup after IPSW installation

Step 5

Restore your backup

After iTunes has installed the .ipsw file on your device, follow the on-screen instructions to restore your data.