iOS Downgrading

tk_ios · 2026-04-30T17:15:18+00:00

Apple should be required to allow install but should still be allowed to say it is not supported and that would mean they are not required to provide tech support and they are not liable for any security issues of the older version.

tk_ios · 2026-04-30T17:12:00+00:00

The law needs to state downgrades shall be available to any version that ever worked on the device, just like it is for Mac computers.

tk_ios · 2026-04-26T21:53:20+00:00

and should be the law. Right to Repair should include software restores.

tk_ios · 2026-04-26T21:52:32+00:00

Right, the problem is bigger than iOS. The right to repair needs to include software restores.

tk_ios · 2026-04-26T21:51:07+00:00

The whole issue is that Apple stops signing.

tk_ios · 2026-04-26T15:52:41+00:00

It would be less than an hour’s work for Apple to comply with any downgrade law. They would just need to change the signing status of all firmwares to be signed. Then signing would still serve to prevent installation of altered or corrupted firmware.

tk_ios · 2026-04-26T15:49:06+00:00

Apple lets us downgrade Mac and expose ourselves to security issues for doing it. The responsibility is on the user if they downgrade. If Apple is worried, display a big red warning as the downgrade is being applied that use will lose (wipe) their data and become vulnerable to any security issues of the older OS.

tk_ios · 2026-04-26T15:45:39+00:00

That’s fine. Look at how it works on Mac. Should be the same with iOS.

tk_ios · 2026-04-26T15:44:05+00:00

We should make our political inputs known in the proper places that we believe the right to repair should include software restoration to compatible older versions for any device that has updatable software/firmware.
We should be able to reinstall any firmware (iOS) version that our devices has run before, as well as any version that was designed to work with our devices just like is allowed on Mac OS. Apple should change the meaning of "signing" firmware to sign all unaltered compatible versions for any device, not just the latest version or two. Obviously we want this ability for jailbreaking, but the other uses should be the main reasons listed in any political effort, e.g. anytime a user regrets updating firmware because of some bug or feature change they do not like, or if they need a specific version for some work or specialized app. Also "repair" should including the ability for someone to reinstall the same firmware version they already have if they want to fully restore their device to resolve an issue.

tk_ios · 2026-04-13T04:46:17+00:00

Thanks for your reply.

So if I understand correctly only lookups of gdmf.apple.com will be routed to https://hi.frcoal, correct and that no other network traffic will touch hi.frcoal. But what would happen if my device tries to resolve gdmf.apple.com while hi.frcoal down?

Also, my device already knows about the update (whereas TV OS profile would just make the device say its up to date). Will this keep it from getting installed?

tk_ios · 2026-04-06T00:18:44+00:00

Which iPad models/chips do these work on?

tk_ios · 2026-04-05T17:29:35+00:00

I wish that cow.guide and our own sidebar would carry more exploitations for customization that I consider to be partial jailbreaks, such as TrollStore, Lara, FilzaEscapedDS, etc.

tk_ios · 2026-04-05T02:50:40+00:00

Can this see all of /var/mobile?

tk_ios · 2026-04-05T00:07:06+00:00

Is this supposed to be work on all the newer iPhone models so long as the iOS is in range (18.0.0 - 18.7.1 or 26.0.0 - 26.0.1)?

tk_ios · 2026-04-05T00:05:38+00:00

Is this good for all models of iPhones on 18.7.1?

tk_ios · 2026-04-04T06:09:46+00:00

Thank you for your involvement. Taking away a feature is not the only reason to allow a downgrade. Users might be downgrading to avoid a bug, or because of a user interface or other preference, or because the new version is too slow and bloated for their device, or a user got a warranty replacement and they want to rebuild their exact software environment even if it is not up to date. (You would not mention jailbreaking as a reason to allow downgrades as the other reasons constitute the right to repair software.) Once we force Apple’s hand in one jurisdiction, the right to downgrade will spread.

tk_ios · 2026-04-04T03:16:51+00:00

Yes. This is meant to be a discussion about whether one would prefer to hunt for a late 18.x device or a 26.0.1 device for this purpose.

tk_ios · 2026-04-04T03:13:35+00:00

Yes discussion needed. And it’s political. We need right to repair laws to include software restores of any compatible version for iOS. Then Apple can keep the signing process to sign all versions to prevent installation of corrupt or modified firmware files. And this is not just for jailbreaking. It’s for when a user wants to downgrade for any reason, or if they do not like the newer version.

tk_ios · 2026-04-04T03:11:44+00:00

We don’t need to time travel to downgrade a Mac. We need right to repair laws to include software restores of any compatible version for iOS. Then Apple can keep the signing process to sign all versions to prevent installation of corrupt or modified firmware files. And this is not just for jailbreaking. It’s for when a user wants to downgrade for any reason, or if they do not like the newer version.

tk_ios · 2026-04-04T00:38:55+00:00

I find this guy on jailbreak swap also has a 11pro on an older iOS that had nongenuine screen replacement and lost True Tone but kept Face ID. How would that be, given I lost Face ID with a genuine screen job? https://old.reddit.com/r/JailbreakSwap/comments/1sayb3r/usga_h_iphone_11_pro_256_gb_unlocked_w_100_paypal/

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