Upgrade iphone 4 from 4.1 to 5.1

Hi,
I have iphone 4 runnning on 4.1 IOS. I need to upgrade now, when I go to Itunes and hit update it just shows me latest version of IOS i.e. 6.1.3.
I heard it is bit heavy for iphone 4 makes iphone 4 slow. Is there any way to install older version of IOS like 5.1 to my iphone 4?
Thanks,
Nitin

As always, you can ONLY update to the latest available.
Most have no issues at all with any updates.

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TS1363 I was upgrading iPhone OS from 5.1 to 5.1.1 on Win 7 using iTunes 10.6.1.7. The iPhone hung. It is no longer visible by iTunes on Win 7

While upgrading iPhone OS from 5.1 to 5.1.1 on Win 7 using iTunes 10.6.1.7, the iPhone hung. I could not get iTunes to find it and Win 7 does not see it.
When I connect the iPhone to the USB, Win 7 issues the welcome sound, but that is it. The same happens when I disconnect iPhone.
The Devise Manager has the Apple Mobile Device USB Driver correct without any problem. I updated this driver called usbaapl64.
The iPhone is still hung.
I restarted the iPod service
I restarted the Apple Mobile Device Service
I tried to empty and delete the temp directory in C:\users\myname\AppData\Local\ but could not
The iTunes I am using is the latest version
I updated the Apple Mobile Device Driver as stated above correctly
The iPhone is still hung and is not recognized by Win 7 or iTunes, so I cannot restore the OS to the previous working version
What else can I do to restore the previous working OS on my iPhone 4

I was connecting the iPhone 4 to a USB 3.0 port. I was told by Apple Express Support (at US$29.99) not to use USB 3.0 and to use USB 2.1 instead.
If you are connecting your iPhone to the computer using a USB 3.0 port, disconnect it immediately. iPhones will lock up if you try to update while using a connection through a USB 3.0 port.
Disconnect the iPhone from the computer
Go to Device Manager and find the connected USB port. Click the mouse right button and update the driver
Shut the iPhone by pressing the sleep button and the home button concurrently for some time
Move the USB cable to a USB 2.1 port or older without the iPhone.
Restart iTunes.
Connect the iPhone
Your computer should recognize the phone and reloads the correct USB 2.1 driver (Apple Mobile Device)
Then iTunes should recognize the iPhone and starts reloading the firmware.
When that is complete it may ask if you wish to restore, naturally you say YES
iTunes will restore the iOS
Using iTunes, restore the latest backup to get your data back.
When all of the above is completed. Start enjoying your iPhone.
If the above does not work. Throw your iPhone out of the window and get a replacement Android phone.

Encountered error 6 when upgrading Iphone 5s from 7.1.2 to 8.3

I encountered error 6 when upgrading Iphone 5s from 7.1.2 to 8.3
I've tried upgrade iphone on three computers , the results are all the same.
One of the computers successfully upgrade my ipad to 8.3.
There are 2GB left on IPhone 5S before I perform the upgrade.
It should be enough for iTunes to finish the process, right?
But in the log, it says "copier_file_error: /mnt2/mobile/Library/PreinstalledAssets/com_apple_MobileAsset_Font.cpio: No space left on device"
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the end of the log is as below:
[10:36:29.0714] Could not find libAppleSWDHIDFlashUpdater.dylib
[10:36:29.0714] entering fixup_var
[10:36:29.0714] entering update_var_directory_hierarchy
[10:36:29.0714] replace_data_partition_path: moving /mnt1/private/var/mobile/Library/PreinstalledAssets to /mnt2/mobile/Library/PreinstalledAssets
[10:36:29.0714] copier_file_error: /mnt2/mobile/Library/PreinstalledAssets/com_apple_MobileAsset_Font.cpio: No space left on device
[10:36:29.0714] copy /mnt1/private/var/mobile/Library/PreinstalledAssets to /mnt2/mobile/Library/PreinstalledAssets failed: 0x2
[10:36:29.0714] unable to copy directory: 2
[10:36:29.0714] failed to replace path mobile/Library/PreinstalledAssets: 2
[10:36:29.0714]
[10:36:29.0714] ==== end of device restore output ====
[10:36:30.0280] AMRAuthInstallDeletePersonalizedBundle
[10:36:30.0421] <Restore Device <<<<<IMEI>>>>>>0>: Restore failed (result = 6)
[10:36:30.0542] Restore completed, status:6
[10:36:30.0542] Failure Description:
[10:36:30.0542] Depth:0 Error:AMRestorePerformRestoreModeRestoreWithError failed with error: 6
[10:36:30.0542] Depth:1 Error:無法完成作業。（AMRestoreErrorDomain 錯誤 6 - Failed to handle message type StatusMsg）
[10:36:30.0542] Depth:2 Error:無法完成作業。（AMRestoreErrorDomain 錯誤 6 - failed to fixup var）

Hello there, Kenduck.
It sounds like you are trying to update your iPhone 5s to the most current version of iOS and are getting an Error 6 message. The following Knowledge Base article offers up some great information in regards to that very error message:
Get help with iOS update and restore errors - Apple Support
Particularly:
Check your security software
Errors: 2, 4, 6, 9, 1611, 9006.
Sometimes security software can stop your device from communicating with either the Apple update server or with your device.
Check your security software and settings to make sure that they aren't blocking a connection to the Apple servers.
If you still see the error message, check for USB connection issues.
Thanks for reaching out to Apple Support Communities.
Kind Regards,
Pedro.

When tried to upgrade iphone 4S from 8.1.2 to 8.1.3 it crushed at the middle, after it it not let it tern on and cannot make recovery and crush in the middle of the process with "could not be restored. An unknown error occurred (3014)"

When tried to upgrade iphone 4S from 8.1.2 to 8.1.3 it crushed at the middle.
After it it not let it tern on and cannot make recovery and crush in the middle of the process with "could not be restored. An unknown error occurred (3014)"

Hi bahaluly,
Thanks for using Apple Support Communities. Based on what you stated, it sounds like you are not able to update the iPhone. I would recommend that you read this article, it may be able to help the issue.
Get help with iOS update and restore errors - Apple Support
Solve network errors
Related errors: 17, 1638, 3014, 3194, 3000, 3002, 3004, 3013, 3014, 3015, 3194, 3200, or "There was a problem downloading the software," or "The device isn't eligible for the requested build." These alerts mean that your computer is either having difficulty contacting the Apple update server or communicating with your device.
Check your computer for software or settings that might cause communication issues between your computer and Apple or between your computer and your device.
Cheers,
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That's because Apple is no longer signing v3.1.3 nor any firmware other than iOS4. You could try following a downgrade to v3.1.3, see these:
http://discussions.apple.com/search.jspa?threadID=&q=Downgrade+iPhone&objID=c201 &dateRange=last30days&userID=&numResults=30&rankBy=10001
This guide works for 3G but not 3GS, though there are some suggestions for 3GS users in there:
http://m.lifehacker.com/5572003/how-to-downgrade-your-iphone-3g%5Bs%5D-from-ios- 4-to-ios-313

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chuswysly♥

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Resolution
Follow the instructions below for assistance with troubleshooting cellular data issues on your iPhone. After performing each step, please test to see if the issue is resolved.
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Did you use the latest version of iTunes.

Upgrade iphone 4 from 4.3.3 restore

Hi,
I'm upgrading an iphone, not sure if its a 4/4s from 4.3.3 for a friend
Bakup up the phone to itunes first and kicked off the upgrade. All going well so far.
Now going through setup on the phone and its asking if I want to
set up as a new phone
Restore from iCloud backup
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Which do I select - is it iTunes bakup ?
I know the upgrade process does a backup - is that backup to itunes ?
Thanks a mil,
Mary

Hi,
Thanks for the speedy reply. Its so long since I did anything with 4.3.3 !
Do you know if the restore should get kicked off automatically or do I manually restore from last backup i.e. the one I took myself before upgrading. At the moment its says "Connected to iTunes" doesn't look like anything is going to happen automatically!
Mary

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Well i have an IPhone 4 with ios 4.3 and i want to upgrade it to ios 6; However, i heared that i can only upgrade to 7 so i want to know whether it is possible or not?

No. You can only update to the current version. As of this writing, that's 7.0.4. You can no longer install iOS 6

Dear sir I bought my iPhone 4 from Apple store in Charlotte N/C about 2years ago without contract. Now I tried to upgrade it to iOS 7.0.4.but after that my phone not work with last sim card. And invalid sim appeared.so I bought it without contract but it

Dear sir
I bought my iPhone 4 from Apple store in Charlotte N/C about 2years ago without contract.
Now I tried to upgrade it to iOS 7.0.4.but after that my phone not work with last sim card.
And invalid sim appeared.so I bought it without contract but it seems to be lock in my country
Please tell me whats the matter?
My phone serial no 86034HTCA4T
Modem firmware 04.12.09
Thanks

Without contract is not the same as unlocked. The update to iOS 7 relocked
the iPhone to the wireless carrier to which it was originally locked. You must
contact that wireless carrier to see if they offer unlocking and if you qualify.
If you used jailbreak or other hack to unlock the iPhone initially, the method
used may prevent a legitimate unlock from succeeding and may render your
iPhone unuseable.

Is it possible to downgrade ios 6 to 5.1.1(i upgrade my iphone 4s from 5.1.1 to 6 but map is not working )

is it possible to downgrade ios 6 to 5.1.1(i upgrade my iphone 4s from 5.1.1 to 6 but map is not working )

best answer to your question I've ever seen is;
Kappy Tampa, FL and Vancouver, BC
Re: Downgrading Oct 16, 2012 2:57 PM (in response to nbabbit2013)
I'm sorry, but Apple does not provide a downgrade path for iOS. Because downgrading is unsupported by Apple we cannot discuss it on these forums, but you can use Google to find information on how to install an older version of iOS on any iDevice.

HeLLO I AM USING AN IPHONE 5 From Last few days I DON'T KNOW WHAT HAPEND TO MY SET ITS DISTURBING ME A LOT DON'T KNOW WHY BUT I AM NOT ABLE TO UPGRADE ANY APPS BECAUSE WHEN I AM TRYING TO UPGRADE OR DOWNLOAD ANY APP THROUGH WIFI ND 3G BOTH AFTER SOMETIME

HeLLO I AM USING AN IPHONE 5 From Last few days I DON'T KNOW WHAT HAPEND TO MY SET ITS DISTURBING ME A LOT DON'T KNOW WHY BUT I AM NOT ABLE TO UPGRADE ANY APPS BECAUSE WHEN I AM TRYING TO UPGRADE OR DOWNLOAD ANY APP THROUGH WIFI ND 3G BOTH AFTER SOMETIMES IT STOPS DOWNLOADING AND SHows THAT "UNABLE TO DOWNLOAD THIS APP" IT'S SHOWING THIS MESSAGE IN EVERY APP AND ALSO AT ITS DISTURBING ME AT THE TIME OF WATCHING ANY VIDEOS TOO. BECAUSE WHEN I AM TRYING TO WATCH ANY VIDEO IN YOUTUBE IT'S DISTURBING VIDEOS ARE NOT PLAYING ND SOUNDS ARE NOT COMING PROPERLY ND THE IMAGE QUALITY ALSO BECOMES POOR AND THE VIDEO STOPS AFTER SOME TIMES THIS PROBLEM IS HAPPENING AT ALL THE VIDEO ND IT'S HARASSING A LOT. THE SAME PROBLEM IS ALSO HAPPENING TO MY BROTHER'S PHONE TOO.. REQUEST TO APPLE PLEASE ANALYSE AND FIXED THE PROBLEM AS SOON AS POSSIBLE OR ELSE MAYB I NEED TO STOP USING APPLE PRODUCTS. CAUSE IT'S HARASSING MY DAILY LIFE A LOT....

These are user to user forums. You ARE NOT addressing Apple by posting here.
Also, why are you YELLING at us?? Stop using ALL CAPS.
What steps have you done to try and fix the problem?

Upgrade iphone 4 from 4.1 to 5.1

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