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Old Dec 12, 2012, 03:39 AM   #1
krssubbu
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firmware update

Hi,

i am new to this forum. i have a phone 3gs running on ios 3.1.3 (very old !!!). i need to update it to 4.2 or 4.3 (not jail break). I have downloaded the ipsw files for 4.3 and 3.1.3 (just in case). how do i go about upgrading the firmware. is it straight forward or do i have to go to a shop to get this done. (i read saying that on tunes shift+click on restore iphone and choose the 4.3 ipsw file and its done. is this true ?)


I contacted Apple and they say to upgrade to ios 6 which i dont want to do because my phone is just a 3gs model and it will be sluggish.

Any help please ?

Thanks
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Old Dec 12, 2012, 04:44 AM   #2
JetBlack7
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Plug your iPhone to your PC and open iTunes, click on your phone to view the specs and then click "Search for Updates" and when the update pops up, click install.
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Old Dec 12, 2012, 04:57 AM   #3
krssubbu
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the update is for ios 6.0 which i dont want to do. so any other way i can upgrade to ios 4.3 ?
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Old Dec 12, 2012, 05:19 AM   #4
tymaster50
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the 3GS isn't sluggish on iOS 6. Just admit it, you want to jailbreak.
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Old Dec 12, 2012, 05:26 AM   #5
krssubbu
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not really i had a few friends complaining about it. So any way i can grade to ios 4.3 or even 5.1
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Old Dec 12, 2012, 05:28 AM   #6
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http://www.youtube.com/watch?v=QHKj847O9ak
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Old Dec 12, 2012, 05:30 AM   #7
Beeplance
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I genuinely thought Apple doesn't sign another other firmware for the 3GS except for iOS 4.1 and iOS 6.0.1 now? There isn't any way to update to any other versions.
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Old Dec 12, 2012, 05:54 AM   #8
itjw
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Buy a 4. The 3GS scuffs and has "crackgate"

Otherwise update to 6. Can't pick and choose your firmware for 3GS (unless you lie and jailbreak lol)
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Old Dec 12, 2012, 06:14 AM   #9
krssubbu
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ok can i ask how to jail break then ?
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Old Dec 12, 2012, 06:18 AM   #10
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Not sluggish, my friend had a 3GS (he recently just upgraded to i5) for like 2+ years and upgraded to iOS 6 when it came out. No problems. He told me it was fine, definitely not as quick as i5 but no slowdowns either.
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Old Dec 12, 2012, 06:24 PM   #11
itjw
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Originally Posted by krssubbu View Post
ok can i ask how to jail break then ?
The most popular way is with a nail file hidden in a cake (at least from most movies I've seen).

It will only allow you to change firmwares if you HAD been jailbreaking and had your signature handshakes from Apple's servers saved somewhere. Without those you will NOT be able to restore a 3GS to anything but the current one that Apple is signing.

So had you been jailbreaking? If not, better head to 6.0 and live with it.

Or sell it. That 3GS was an abomination with the plastic back and scratchy showing bezel (just kidding, it was a great phone, but the OCD folks are silly when it comes to cosmetics on the 5 all of a sudden).

Then get a 4 (preferably a 5). FAR superior hardware.
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Old Dec 13, 2012, 03:13 AM   #12
krssubbu
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if i had the money i would have gone for a iphone 5 or samsung galaxy s3 !!

i had not been jail breaking and its running on a 3.1.2 ios. just wondering would i be able to jailbreak it now and upgrade to ios4.3 (i know my other option is to upgrade to ios6.0 but just keeping my options open). can someone tell me how to jailbreak as i have not done this before and would be very keen on learning to do this ?

Thanks
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Old Dec 13, 2012, 04:43 AM   #13
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Originally Posted by krssubbu View Post
if i had the money i would have gone for a iphone 5 or samsung galaxy s3 !!

i had not been jail breaking and its running on a 3.1.2 ios. just wondering would i be able to jailbreak it now and upgrade to ios4.3 (i know my other option is to upgrade to ios6.0 but just keeping my options open). can someone tell me how to jailbreak as i have not done this before and would be very keen on learning to do this ?

Thanks
Dear god, have you honestly never heard of google?
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Old Dec 13, 2012, 04:47 AM   #14
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@cperchard - ofcourse i have heard of google but if you had been using google you would have know that it gives 1000 pages of results and on reading just 1% of those links, i bet anyone would get confused.

if you would like to help, you can post the links (that would help and it is clear) on google !
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Old Dec 13, 2012, 04:40 PM   #15
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Originally Posted by krssubbu View Post
if i had the money i would have gone for a iphone 5 or samsung galaxy s3 !!

i had not been jail breaking and its running on a 3.1.2 ios. just wondering would i be able to jailbreak it now and upgrade to ios4.3 (i know my other option is to upgrade to ios6.0 but just keeping my options open). can someone tell me how to jailbreak as i have not done this before and would be very keen on learning to do this ?

Thanks
Sorry if I've been unclear, but: NO.

The 3GS requires every update to be signed by Apple. There is a way to "fake out" the system, but only if you had been saving those signatures (by jailbreaking).

Because you are on 3.1.2 without any of that information, your options are to stay at 3.1.2 (hoping that you never have to restore) and you CAN jailbreak if you want (just not to upgrade) or go to the current FW (6.0.1).

Frankly, given that you haven't collected the info you need, you should just upgrade at this point and move on. In the event that your phone freezes and forces you to update, you won't have a choice anyway and will HAVE to go to 6, so you may as well now.
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Old Dec 13, 2012, 04:51 PM   #16
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I genuinely thought Apple doesn't sign another other firmware for the 3GS except for iOS 4.1 and iOS 6.0.1 now? There isn't any way to update to any other versions.
You are correct.
Only option is stay where he's at, or to 4.1 or 6.0.1
No other choices without shsh blobs.
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Old Dec 13, 2012, 05:29 PM   #17
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You are correct.
Only option is stay where he's at, or to 4.1 or 6.0.1
No other choices without shsh blobs.

I wasn't aware of 4.1 still being signed. That is great news for the OP.

My mistake if that is the case. Forgot Apple was treating "legacy" devices slightly differently haha... good catch!
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Old Dec 13, 2012, 05:32 PM   #18
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iPhone 3GS works fine on iOS 6,if you are not keen on jailbreaking,upgrade to iOS6,you won't regret.
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Old Dec 13, 2012, 10:35 PM   #19
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Originally Posted by itjw View Post
I wasn't aware of 4.1 still being signed. That is great news for the OP.

My mistake if that is the case. Forgot Apple was treating "legacy" devices slightly differently haha... good catch!
Yes, its very weird but since September 2010 Apple still releases the 4.1 firmware shsh blobs just for the 3GS.
I dont get why either
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