Download IPSW:
Download iPhone 4 downgrade tool:
Nguồn: https://banglasemantics.net/
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How To Downgrade iPhone 4 to ANY iOS Version Untethered NO SHSH BLOBS!
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If I shut down and restart the phone will it still be in ios 4?
What about iPhone 3,2 (GSM/2012)? Will it work? Sorry if I overheard that…
So there is no point in collecting iphone fours on ios 4? Damn my collection ruined
Dose it work on windows ?
does this work on windows?
Will it work if it was manufactured in late 2011?
iPhone 4s can no longer be downgraded to iOS 6.1.3, were back with Beehind tool!!!…
will cdma work?
does it work with iPod 4?
Great Vid! But does this work with the 5.1 switchboard ipsw?
Does it work on iPhone 4s too?
Works on another iPhone ???
I was thinking about getting an iPhone 4 and u just uploaded about one LOL