IPSW · iOS
iOS 17.1.2 IPSW Download (21B101)
Build 21B101, released November 30, 2023 — restore images for 25 iPhones, straight from Apple's servers.
Choose your iPhone
25 devices. Each row is one file on Apple's CDN.
Unsigned
iPhone15,4 8.02 GB
FilenameiPhone15,4_17.1.2_21B101_Restore.ipsw
SHA-256574981e5d332e50afe80c9cec968d5ff94172d839f940407ee78e24d29c0888c
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10362/FC9AD661-9FC8-416A-B794-69F39FBB835E/iPhone15,4_17.1.2_21B101_Restore.ipsw
Size8,019,477,044 bytes (8.02 GB)
Unsigned
iPhone15,5 8.02 GB
FilenameiPhone15,5_17.1.2_21B101_Restore.ipsw
SHA-256233a7fe2cd5e9b2f7f1aea6c90b64eb68f48412fa9469bb5d50f26f5b21dc48b
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10480/3069A439-6161-4C2D-8267-8FF0CB0F7811/iPhone15,5_17.1.2_21B101_Restore.ipsw
Size8,020,005,281 bytes (8.02 GB)
Unsigned
iPhone16,1 8.20 GB
FilenameiPhone16,1_17.1.2_21B101_Restore.ipsw
SHA-256d6bf4dc7c461ecdb40a82b3c9c28458adaa067e4d8ff36987dc5060170ac5997
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10497/ED6AC62D-B61D-4DF3-AA19-170A9FCE0D66/iPhone16,1_17.1.2_21B101_Restore.ipsw
Size8,204,627,271 bytes (8.20 GB)
Unsigned
iPhone16,2 8.21 GB
FilenameiPhone16,2_17.1.2_21B101_Restore.ipsw
SHA-256528e8aad8b0a1f3a8f1cff5ccdf6e09884c13741a41a54b047dcf7279b5697f4
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10247/2758A80F-22E5-4B9C-947F-36A9463AAB6A/iPhone16,2_17.1.2_21B101_Restore.ipsw
Size8,206,584,411 bytes (8.21 GB)
Unsigned
iPhone14,8 7.84 GB
FilenameiPhone14,8_17.1.2_21B101_Restore.ipsw
SHA-256957cbdc7b1b94a6f20e2cb7c161ac7c738e146b70927469868d158a3019f7b1e
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-09987/ABC3E76C-1F0C-4DB3-A427-321986A14471/iPhone14,8_17.1.2_21B101_Restore.ipsw
Size7,835,292,069 bytes (7.84 GB)
Unsigned
iPhone14,7 7.84 GB
FilenameiPhone14,7_17.1.2_21B101_Restore.ipsw
SHA-2569a0d2e66650265976ca6e4a3bcd61b34aee05e6704bdd8650be3b07bff39b3c0
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10202/A4E5101A-095A-47F7-A5F3-AFC95CD18940/iPhone14,7_17.1.2_21B101_Restore.ipsw
Size7,835,836,662 bytes (7.84 GB)
Unsigned
iPhone15,2 8.00 GB
FilenameiPhone15,2_17.1.2_21B101_Restore.ipsw
SHA-256280a4b54f03f5fe78bc6824493c4c5bd41ef160e902d670b8dbae7cfbd798a5d
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10730/8FDE27D7-1A3C-480A-BFB9-C4979C999B07/iPhone15,2_17.1.2_21B101_Restore.ipsw
Size7,996,446,276 bytes (8.00 GB)
Unsigned
iPhone15,3 7.98 GB
FilenameiPhone15,3_17.1.2_21B101_Restore.ipsw
SHA-2563b99b1a73982688a6e269568e015f26e9c7b95f074fbc6b14df00063d1a7810b
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10602/FE4BB539-A58F-4805-BCAF-B0A2BCC76EC0/iPhone15,3_17.1.2_21B101_Restore.ipsw
Size7,975,789,574 bytes (7.98 GB)
Unsigned
iPhone14,6 7.52 GB
FilenameiPhone14,6_17.1.2_21B101_Restore.ipsw
SHA-256ee0abad90b8f33a57e4efa35b7701bdaf156afadfe086d78d110d60d6e2b3357
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10637/D611998D-7181-468B-8811-006384A5A263/iPhone14,6_17.1.2_21B101_Restore.ipsw
Size7,517,378,948 bytes (7.52 GB)
Unsigned
iPhone14,5 7.77 GB
FilenameiPhone14,5_17.1.2_21B101_Restore.ipsw
SHA-256a4f6209af602d38d47e9fc22569f47d2952a784fa797ccd10b8cfb7e7e324f39
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-09571/D4BF7106-B607-4756-8DF8-454C05A2F9AF/iPhone14,5_17.1.2_21B101_Restore.ipsw
Size7,766,909,758 bytes (7.77 GB)
Unsigned
iPhone14,4 7.79 GB
FilenameiPhone14,4_17.1.2_21B101_Restore.ipsw
SHA-2565b49a9477502e125c9cea53e6e362e856b60cbea829f300564c42ccc54ea7c53
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-09618/C33D9190-5E7D-470C-ACEE-A740DBDD3DC6/iPhone14,4_17.1.2_21B101_Restore.ipsw
Size7,790,852,255 bytes (7.79 GB)
Unsigned
iPhone14,2 7.89 GB
FilenameiPhone14,2_17.1.2_21B101_Restore.ipsw
SHA-25688ec9566a5a2af8d13254a7363d6f472617838eb1fb41b380ddf74efdced3090
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-09853/3F7888D2-B29F-490C-9E74-B15C8F7A8348/iPhone14,2_17.1.2_21B101_Restore.ipsw
Size7,889,073,063 bytes (7.89 GB)
Unsigned
iPhone14,3 7.89 GB
FilenameiPhone14,3_17.1.2_21B101_Restore.ipsw
SHA-2563a20c2d4888ff00927c60504e3037394d04ba860699a8aded2f3dff482b35752
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10167/91C4DF96-BB64-44DF-BA45-CF5CD051470B/iPhone14,3_17.1.2_21B101_Restore.ipsw
Size7,889,145,870 bytes (7.89 GB)
Unsigned
iPhone13,1 7.69 GB
FilenameiPhone13,1_17.1.2_21B101_Restore.ipsw
SHA-2567f3f0af103342452135dba375fa15b039c2dcd206eab2f2c8af73e984f0fde37
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-09939/14D204B1-A9BB-455B-864C-E537D15A5444/iPhone13,1_17.1.2_21B101_Restore.ipsw
Size7,686,710,326 bytes (7.69 GB)
Unsigned
iPhone13,4 7.82 GB
FilenameiPhone13,4_17.1.2_21B101_Restore.ipsw
SHA-256c48a6882e13c8b987b2a9cd0be574a82451686c48e5c490f15c591cb73aeffc9
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10182/84508310-E796-439E-ADF3-14FDFD176348/iPhone13,4_17.1.2_21B101_Restore.ipsw
Size7,818,710,472 bytes (7.82 GB)
Unsigned
iPhone13,2 7.86 GB
FilenameiPhone13,2,iPhone13,3_17.1.2_21B101_Restore.ipsw
SHA-2564f07c04b40aea9f8d7c9c5e3611ed760ded33f5f58db4f444305891fcc36f245
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10408/9C22B38F-DCF4-4335-8B34-C6557D48894C/iPhone13,2,iPhone13,3_17.1.2_21B101_Restore.ipsw
Size7,861,520,640 bytes (7.86 GB)
Unsigned
iPhone13,3 7.86 GB
FilenameiPhone13,2,iPhone13,3_17.1.2_21B101_Restore.ipsw
SHA-2564f07c04b40aea9f8d7c9c5e3611ed760ded33f5f58db4f444305891fcc36f245
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10408/9C22B38F-DCF4-4335-8B34-C6557D48894C/iPhone13,2,iPhone13,3_17.1.2_21B101_Restore.ipsw
Size7,861,520,640 bytes (7.86 GB)
Unsigned
iPhone12,8 7.29 GB
FilenameiPhone12,8_17.1.2_21B101_Restore.ipsw
SHA-2569623d61ee4cc38af320b94f7d3e1927a4076cc3d22afe87ea5d49cc030272468
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-09585/C93E0AC8-183C-4C0A-B8F4-ECA27955CA8B/iPhone12,8_17.1.2_21B101_Restore.ipsw
Size7,290,815,361 bytes (7.29 GB)
Unsigned
iPhone12,1 7.32 GB
FilenameiPhone12,1_17.1.2_21B101_Restore.ipsw
SHA-2565943effccff96d210c34a666e2202a7059d2f1ad9ebc83e212e22d48ca03d0cd
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-09965/8C51FF7D-2A00-4474-8CDD-A8A78B275D57/iPhone12,1_17.1.2_21B101_Restore.ipsw
Size7,316,559,022 bytes (7.32 GB)
Unsigned
iPhone12,3 7.46 GB
FilenameiPhone12,3,iPhone12,5_17.1.2_21B101_Restore.ipsw
SHA-256e7e685426f6c13e90618a3963779f950ee5c9d27e09b492ee8cc0efd97c6e1ad
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10791/9B9ACB5E-EE6F-482F-94CD-FDCF0FB0BFEC/iPhone12,3,iPhone12,5_17.1.2_21B101_Restore.ipsw
Size7,461,928,482 bytes (7.46 GB)
Unsigned
iPhone12,5 7.46 GB
FilenameiPhone12,3,iPhone12,5_17.1.2_21B101_Restore.ipsw
SHA-256e7e685426f6c13e90618a3963779f950ee5c9d27e09b492ee8cc0efd97c6e1ad
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10791/9B9ACB5E-EE6F-482F-94CD-FDCF0FB0BFEC/iPhone12,3,iPhone12,5_17.1.2_21B101_Restore.ipsw
Size7,461,928,482 bytes (7.46 GB)
Unsigned
iPhone11,8 7.43 GB
FilenameiPhone11,8_17.1.2_21B101_Restore.ipsw
SHA-256bdf1786d42b0204aa7b6a1be26a0e8491d7a44f80c60a1f7c5a147777c784dbc
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-10624/9974C934-5EA0-4E55-81E6-64BAB8E36EE4/iPhone11,8_17.1.2_21B101_Restore.ipsw
Size7,433,112,469 bytes (7.43 GB)
Unsigned
iPhone11,2 7.61 GB
FilenameiPhone11,2,iPhone11,4,iPhone11,6_17.1.2_21B101_Restore.ipsw
SHA-256d8528b9e3955d2a21865e2298dc9ff5d659ff3c6b6d10e7b91e25bc3d91802ad
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-09488/29908D7B-3F43-4A14-82B8-A8A1B9613167/iPhone11,2,iPhone11,4,iPhone11,6_17.1.2_21B101_Restore.ipsw
Size7,612,784,923 bytes (7.61 GB)
Unsigned
iPhone11,6 7.61 GB
FilenameiPhone11,2,iPhone11,4,iPhone11,6_17.1.2_21B101_Restore.ipsw
SHA-256d8528b9e3955d2a21865e2298dc9ff5d659ff3c6b6d10e7b91e25bc3d91802ad
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-09488/29908D7B-3F43-4A14-82B8-A8A1B9613167/iPhone11,2,iPhone11,4,iPhone11,6_17.1.2_21B101_Restore.ipsw
Size7,612,784,923 bytes (7.61 GB)
Unsigned
iPhone11,4 7.61 GB
FilenameiPhone11,2,iPhone11,4,iPhone11,6_17.1.2_21B101_Restore.ipsw
SHA-256d8528b9e3955d2a21865e2298dc9ff5d659ff3c6b6d10e7b91e25bc3d91802ad
Direct URLhttps://updates.cdn-apple.com/2023FallFCS/fullrestores/052-09488/29908D7B-3F43-4A14-82B8-A8A1B9613167/iPhone11,2,iPhone11,4,iPhone11,6_17.1.2_21B101_Restore.ipsw
Size7,612,784,923 bytes (7.61 GB)
No device matches.
Version
iOS 17.1.2
Build
21B101Released
November 30, 2023
Channel
Public release
Previous
iOS 17.2 beta 4
Next
iOS 16.7.3
How to install iOS 17.1.2 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 17.1.2 today?
Not at the moment — Apple has stopped signing 21B101, 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.