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Old Today, 06:25 AM   #1
Merzhelnoureb
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How to permanently erase all data off iPhone 4s

Hello guys. So, I have a iPhone 4s that i'm going to sell and I'd like to erase all data off my iphone permanently. What can I do to make sure no data can be retrieved afterwards?
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Old Today, 07:38 AM   #2
XT550
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Settings/general/reset/erase all content and settings.
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Old Today, 08:09 AM   #3
Bananas Ananas
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I'm afraid you have to physically destroy the device in order to be absolutely sure that your data can't be recovered afterwards.
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Old Today, 08:10 AM   #4
Adolf
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Originally Posted by Bananas Ananas View Post
I'm afraid you have to physically destroy the device in order to be absolutely sure that your data can't be recovered afterwards.
why not dellete it
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Old Today, 09:01 AM   #5
gretafour
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I sold my 4s in March and just did a full restore, setting up as a new phone. "Erase all content and settings" should work just as well. If you power off the phone when it first boots up with the "Slide to set up iPhone" screen, then the buyer will see that same screen when they power on, just like they would a new phone out of the box!

It's the little things...
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Old Today, 09:24 AM   #6
zmunkz
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Originally Posted by Bananas Ananas View Post
I'm afraid you have to physically destroy the device in order to be absolutely sure that your data can't be recovered afterwards.
If you concern is basic privacy before selling it, the delete is fully adequate. If your concern is a forensic team extracting your data, then yeah, destroy it.... Then reconsider your life decisions lol.
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Old Today, 12:54 PM   #7
scaredpoet
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Quote:
Originally Posted by Adolf View Post
why not dellete it
He's being extremely literal. Though technically, even certain types of physical destruction wouldn't guarantee data destruction, either. Incineration, maybe.

But for most intents and purposes, doing a wipe will be good enough.
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Old Today, 01:14 PM   #8
ardchoille50
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Quote:
Originally Posted by Merzhelnoureb View Post
Hello guys. So, I have a iPhone 4s that i'm going to sell and I'd like to erase all data off my iphone permanently. What can I do to make sure no data can be retrieved afterwards?
Erasing all content and settings is sufficient. The information on your phone is encrypted, erasing all content and settings removes the encryption keys such that the information is useless without these keys.
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Last edited by ardchoille50; Today at 02:13 PM. Reason: typo
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Old Today, 02:09 PM   #9
Newtons Apple
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Put it in the Microwave for a few minutes and even the forensic people will never get a single byte. Just a second will kill it from ever working. Might want to put it on a plate as it is going to get very hot!
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