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Jennifer Stanley
Jennifer Stanley Posted on Dec 09, 2011
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Can I go back to IOS 3 for my iphone 3G

I have the IOS 4.2.1 and it is very slow. It was running quicker and better when I was on IOS 3.

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August Brown

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No, you can go back to the last iOS version. But fortunately, there are some solutions to improve your iPhone speed. See: How to Fix iPhone Running Slow?

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After the new system is released, Apple usually closes the verification channel for lower system versions. So you cannot return the system to the previous version. In such case, you can only make some settings to improve your iPhone speed. Read on this tutorial to learn more tips: https://www.leawo.org/entips/how-to-fix-iphone-running-slow-1409.html?fixya=1409

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  • Posted on Dec 14, 2011
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Unfortunately, you cannot Apple has created iOS so that you may not backtrack.

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Related Questions:

0helpful
2answers

How do I download iOS 6 on my iPhone 3G
iPhone 3G cannot use iOS 6!
the latest iOS for iPhone 3G is: iOS 4.2
- iOS 6 is possible only on iPhone 3GS / 4 / 4S
iPhone 3G 8 16 GB Specs iPhone 3G A1241 MB046LL 2347 iPhone1 2 EveryiPhone... download-ios-6-iphone-3g-ucocffsbdgqp14shduy2nfxr-5-0.jpg download-ios-6-iphone-3g-ucocffsbdgqp14shduy2nfxr-5-2.jpg
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Aug 06, 2014 • Cell Phones
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Download iOS 6.0
on a iPhone 3 it is not possible to install iOS 6 !
IOS 6 is possible only on iPhone 3GS / 4 / 4S
- There are two ways to upgrade the iOS version of your iPhone, iPad, or iPod Touch - via connecting the device to iTunes on a computer
- or directly from within the device, but only since iOS 5, it is possible to upgrade the iOS version without the need to connect the iOS device to a computer (over-the-air update)
just go to: settings - general - software update
download-ios-6-0-ankdbq4aprjqdzyss1inbix3-4-0_1.jpg download-ios-6-0-ankdbq4aprjqdzyss1inbix3-4-2_1.jpg download-ios-6-0-ankdbq4aprjqdzyss1inbix3-4-5_1.jpg
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May 18, 2014 • Apple iPhone 3G
0helpful
1answer

How can I update my iOS 4.2.1 of my Iphone 3G
the iPhone 3 can use only iOS 4.2 as the latest iOS running..
- This model is capable of running iOS 4.0, 4.1 and 4.2 but some features, such as multitasking, are not supported. It is not compatible with iOS 4.3 or later versions of the iOS operating system.
iPhone 3G 8 16 GB Specs iPhone 3G A1241 MB046LL 2347 iPhone1 2 EveryiPhone... update-ios-4-2-1-iphone-3g-ucocffsbdgqp14shduy2nfxr-3-0.jpg update-ios-4-2-1-iphone-3g-ucocffsbdgqp14shduy2nfxr-3-2.jpg
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May 18, 2014 • Cell Phones
0helpful
1answer

Need to download iOS 5
to update to iOS 5 is only possible on iPhone 3GS / 4 / 4S with connecting the device to iTunes on a computer.
- Plug the iPhone to your computer and open up iTunes under devices click on your iPhone and then click on check for update.
----
latest iOS possible:
iPhone 1 = iOS 3.1.3
iPhone 3 = iOS 4.2
iPhone 3GS = iOS 6.1.6
iPhone 4 = iOS 7.1.2
iPhone 4S = iOS 8.1.2
iPhone 5 = iOS 8.1.2
need-download-ios-5-rb1lxwwedrgyiycdlihok4mn-5-0.jpg need-download-ios-5-rb1lxwwedrgyiycdlihok4mn-5-2.jpg need-download-ios-5-rb1lxwwedrgyiycdlihok4mn-5-5.jpg
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Mar 19, 2014 • Cell Phones
0helpful
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How do i get an iphone 4 to run and work faster and smoother
What gb is it if your running low on memory delete all the apps you dnt use and sms messages make sure its updated to
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Mar 18, 2014 • Cell Phones
0helpful
2answers

IPhone 3G is slow, videos won't load
please lg gb 230 securite coad breck
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Jan 17, 2014 • Apple iPhone 3G
0helpful
1answer

Iphone 3g how to update for apps up to date
Unfortunately, that will not be possible. Apps are written to be compatible with the most current hardware software profile. iPhone 3G highest iOS revision was iOS 4. There have been 3 revisions to iOS since then, and 3 upgrades to the iPhone hardware. The App Store only provides support for compatible hardware software profiles. Legacy software is not available. Sorry for the bad news. Good luck.
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Oct 24, 2013 • Apple iPhone 3G
0helpful
2answers

Hoe to improve iphone 3g processing speed... it is so lazy and waste my time too
You cant increase the 3g processing speed if your iphone is stock.
Its possible to increase it if your iphone is jailbroken.

Right now the 3g has a processor speed of 412mhz which is pretty slow on todays standards. Most phones now are 1ghz to 1.8ghz.
Even if you jailbroke the phone. The maximum that u could increase the processor speed is to 550mhz. Downside is that when you increase the processor speed past its stock mhz, the battery will die faster.
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Aug 08, 2013 • Cell Phones
0helpful
2answers

My iphone 3g was upgrade to 4.2.1, but it too slow, i tried to downgrade back to 3.1.3, but i got problem,.., i got massage "the iphone could not be restored, an unknown error occured (1646) on...
Put it back to 4.2.1
It's not the iOS that's slow. It's how much stuff is on the phone.
The more apps, videos, songs, whatever. The slower the phones gonna run.

I have iOS 4.2.1 and mine runs fast, reliable, and does perfectly. But I also leave atleast 1gb free
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Apr 17, 2011 • Apple iPhone 3G
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