iOS 15

IPSW · iOS

iOS 15.7.3 IPSW Download (19H307)

Build 19H307, released January 23, 2023 — restore images for 7 iPhones, straight from Apple's servers.

Release Build 19H307 Size 5.01 GB – 5.55 GB All iOS 15 builds →
Apple has stopped signing this build. A restore will be rejected at the final step. The files stay listed for reference. Signing status checked September 12, 2026.

Choose your iPhone

7 devices. Each row is one file on Apple's CDN.

iPhone 7 (CDMA)
Unsigned iPhone9,1 5.39 GB
iPhone_4.7_P3_15.7.3_19H307_Restore.ipsw SHA-256 9ad83ffe31491756d94b25684018dce8a4fe88451515f81fbd69aa92cf188cbd
Download
iPhone 7 (GSM)
Unsigned iPhone9,3 5.39 GB
iPhone_4.7_P3_15.7.3_19H307_Restore.ipsw SHA-256 9ad83ffe31491756d94b25684018dce8a4fe88451515f81fbd69aa92cf188cbd
Download
iPhone 7 Plus (CDMA)
Unsigned iPhone9,2 5.55 GB
iPhone_5.5_P3_15.7.3_19H307_Restore.ipsw SHA-256 941db760b0bbd99c3099cb5e1b361ae2df907bbcba72287f1e04e261078a2eb7
Download
iPhone 7 Plus (GSM)
Unsigned iPhone9,4 5.55 GB
iPhone_5.5_P3_15.7.3_19H307_Restore.ipsw SHA-256 941db760b0bbd99c3099cb5e1b361ae2df907bbcba72287f1e04e261078a2eb7
Download
iPhone SE (1st generation)
Unsigned iPhone8,4 5.23 GB
iPhone_4.0_64bit_15.7.3_19H307_Restore.ipsw SHA-256 5c40c61bc9fbdcb575b0855b4f8779f1e36e453420737366de611430d6bddcf8
Download
iPhone 6s
Unsigned iPhone8,1 5.27 GB
iPhone_4.7_15.7.3_19H307_Restore.ipsw SHA-256 23e1482eb873b7d4e7f779c22ef3a47bdde965fb70605750aa43f45c21cc67db
Download
iPhone 6s Plus
Unsigned iPhone8,2 5.43 GB
iPhone_5.5_15.7.3_19H307_Restore.ipsw SHA-256 5cb27d6eabb3110f05528b8e724fb7bf4e3f23c36a02563dc899b90edc7d604b
Download
Version
iOS 15.7.3
Build
19H307
Released
January 23, 2023
Channel
Public release
Previous
iOS 16.3 beta 2
Next
iOS 16.3

How to install iOS 15.7.3 from the IPSW

Four steps, and the one that matters most is the first.

Back up first

A restore erases the device. Make an archived backup in Finder or the Apple Devices app — an iCloud backup taken on a newer version cannot be restored onto an older one. Our backup guide covers the difference.

Get the file for your exact model

Check Settings → General → About → Model Name, then download the IPSW for that device. The download shows the file size; compare it with the SHA-256 under Details if you want to be certain the file is intact.

Restore in Finder or Apple Devices

Connect with a cable, select the device, then hold Option (Mac) or Shift (Windows) and click Restore to choose the .ipsw. Update keeps your data but only works upward; Restore erases and is how you downgrade.

Set up or restore your backup

After the restore the device starts fresh. Restore the backup you made — only if it came from the same or an older version than the one you just installed.

Questions? Answers.

Can I restore iOS 15.7.3 today?

Not at the moment — Apple has stopped signing 19H307, so a restore will be rejected at the final step. The files remain here for reference and for signed re-releases.

Which is the right file for my device?

Match the identifier in Settings → General → About (or under the model's name here) against the one on each row. Wi-Fi and Cellular iPads share a file; different generations never do. Restoring the wrong device's IPSW simply fails — it cannot damage the device.

What does "signed" mean?

Apple's servers must approve a firmware before a device will accept it, and Apple only approves the builds it is currently shipping. A signed file can be restored today; an unsigned one is rejected at the end of the process, however you obtained it. Signing status changes without notice, usually within days of a newer release, which is why this catalogue rechecks it automatically.

Will I lose my data?

A Restore erases the device — that is what makes a downgrade possible. An Update with an IPSW keeps your data, but only when moving to a newer version. Either way, make an archived backup on a computer first; an iCloud backup taken on a newer version will not restore onto an older one.