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Does restoring an iphone, update the firmware?

A

amnost

macrumors regular
Original poster
Say, if I had 3.0 on my iPhone and I restored it today, would it automatically put iOS 4 on it?
 
amnost said:
Say, if I had 3.0 on my iPhone and I restored it today, would it automatically put iOS 4 on it?
Click to expand...

Yep because Apple stopped signing 3.1.3. Unless of course you backed up your shsh blobs for 3.1.3 then you can restore to 3.1.3 again...
 
It's a 3G, but since the 3G CAN be updated to 4.0, that doesn't make too much sense? 😕
 
amnost said:
It's a 3G, but since the 3G CAN be updated to 4.0, that doesn't make too much sense? 😕
Click to expand...

The 3G can be restored/updated to any version you want so restoring will not update it to 4.0. The 3GS and iPhone 4 however can't be downgraded once Apple stops signing the firmware. Now 4.0 is out they stopped signing 3.2 so anyone restoring their 3GS it would update/restore to 4.0 because 3.2 can't be signed any longer. Does that make sense?

Basically because you have the 3G, if you restore your phone it shouldn't update the firmware at all.
 
mattydee87 said:
The 3G can be restored/updated to any version you want so restoring will not update it to 4.0. The 3GS and iPhone 4 however can't be downgraded once Apple stops signing the firmware. Now 4.0 is out they stopped signing 3.2 so anyone restoring their 3GS it would update/restore to 4.0 because 3.2 can't be signed any longer. Does that make sense?

Basically because you have the 3G, if you restore your phone it shouldn't update the firmware at all.
Click to expand...

Great.... are you positive, though?
 
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