Delta updates

[DomFeeney]

Correct me if I am wrong but I thought one of the new bits in iOS 5 was delta updates. I took this to mean that when I update either the OS or individual apps via the update button in the app store, that it would no longer redownload the entire app rather just the bits that have changed resulting in much faster updates

Does anyone know if this is the case? Doesn't seem to be updating apps any quicker to me


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[Genericmessage00]

Correct me if I am wrong but I thought one of the new bits in iOS 5 was delta updates. I took this to mean that when I update either the OS or individual apps via the update button in the app store, that it would no longer redownload the entire app rather just the bits that have changed resulting in much faster updates

Does anyone know if this is the case? Doesn't seem to be updating apps any quicker to me


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Just the OS. Not the apps, they have nothing to do with it.

 

[AStranger]

Delta updates is enabled for the OS, but I don't think it is for the apps.

The idea is that they can now patch the operating system and do it over the air instead of plugging in your phone for such a long time while it re-installs the whole operating system.

 

[Fausty82]

Just the OS. Not the apps, they have nothing to do with it.

Also, the patch process only applies to OTA updates. If you update through iTunes, you get the whole thing again - at least that's how it worked in the Beta phase.

 

[IamHahn]

Also, the patch process only applies to OTA updates. If you update through iTunes, you get the whole thing again - at least that's how it worked in the Beta phase.

Were there delta updates in the beta? from beta to beta maybe. If you could update faster using WiFi and not have to sync with iTunes, why would you?

 

[BLiNK]

delta updates during the beta process

delta updates did not take long at all and they could be done over 3G

 

[Fausty82]

Were there delta updates in the beta? from beta to beta maybe. If you could update faster using WiFi and not have to sync with iTunes, why would you?

Yes from beta to beta (in most cases - a couple required full updated, as did the upgrade to GM), brom about beta 4 or 5 on.

Why would I? To get a clean install. And to make sure I had a good back up. Sync/backup the phone, upgrade iTunes, do the iOS update, restore from the fresh backup.

The iCloud backups were also not available until near the end of the beta process.

 

[DomFeeney]

Thanks for the input guys. Here's hoping deltas get rolled out to app updates too at some stage.


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[ghostface147]

Delta updates are available under 3G, but will clog between 70 - 100 megs at most. They also will not install unless you have more than 50% battery life left.

 

[noaim]

yes this is just for the os itself has nothing to do with applications

 

[shinbone]

Also, the patch process only applies to OTA updates. If you update through iTunes, you get the whole thing again - at least that's how it worked in the Beta phase.

Is it better to do a "clean install" over iTunes or is a Delta update just as good/complete etc. . . ??

 

[Alli]

Clean installs are great for full versions, ie 4.x to 5. But delta updates are incremental and designed as patches, not requiring clean installs.

 

[AStranger]

Is it better to do a "clean install" over iTunes or is a Delta update just as good/complete etc. . . ??

A delta update should be just as good and complete - at least it SHOULD be.

A clean full install might be preferable to you if you just want use the old tried and true method. It also won't use any data on your data plan.

 

[KashSystems]

A delta update should be just as good and complete - at least it SHOULD be.

A clean full install might be preferable to you if you just want use the old tried and true method. It also won't use any data on your data plan.

If you are worried about your data plan because the delta updates iirc were around 100 megs they can be done over wifi. Having done all the delta updates except either beta 6 or 7 (one of them you had to do a clean install do not recall) on my old 3gs I had zero hiccups.

 

[shinbone]

If you are worried about your data plan because the delta updates iirc were around 100 megs they can be done over wifi. Having done all the delta updates except either beta 6 or 7 (one of them you had to do a clean install do not recall) on my old 3gs I had zero hiccups.

Can we do a Delta update plugged into iTunes? Or is it wireless only?


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[Fausty82]

Can we do a Delta update plugged into iTunes? Or is it wireless only?


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Upgrading through iTunes gets you the whole new version, OTA gets you the deltas. At least that how the betas worked. I don't really see why Apple could not release delta updates via iTunes, but so far, they haven't.

 

[shinbone]

Upgrading through iTunes gets you the whole new version, OTA gets you the deltas. At least that how the betas worked. I don't really see why Apple could not release delta updates via iTunes, but so far, they haven't.

Thanks


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