Later phones will become iCloud locked if you do this, and un useable unless you know the details that were used for iCloud on the phone. However I'm not sure if this is the case with an iPhone 4 (iOS7).

Disable find my iphone from the settings first, then erase.

As above, if the phone is signed into Find My iPhone, the owner will need to sign out of it on that phone. After that, Erase all Content and Settings takes it back to factory (well, not factory, as iOS7 will be newer than factory, but it will be completely wiped).

Google iCloud locked.

JayADee: What happens if you don't sign out of find my iPhone?

You will not be able to reset the phone.

Or, you will be able to reset it, but not be able to set it up without the iCloud/FindMyIphone email and password.

trig42:

 

JayADee: What happens if you don't sign out of find my iPhone?

 

You will not be able to reset the phone.

 

Or, you will be able to reset it, but not be able to set it up without the iCloud/FindMyIphone email and password.

 

You can do it after the fact though...I'd recently done it when selling my 5s. I looked up erasing a phone after doing it (doh) and saw there was an extra step needed to perform to stop it being locked to my icloud account.

To do so, you sign in to icloud.com and under find my phone you find the device and remove it from your account.  You can also do this before erasing it from within the phone.

Best to follow these instructions:

https://support.apple.com/en-us/HT201351

Reset All Content and Settings "should" deactivate iCloud lock... but there's at least one case where it doesn't:

 

1. User A buys and sets up the phone using Apple account user.a@me.com
2. User A then sells/gives the phone to user B without wiping it
3. User B changes the account settings over to user.b@me.com
4. User B then does a Reset All Content and Settings.

This will cause the phone to get iCloud locked to user A's account. Basically, the reset process tries to unlock using the currently-configured account instead of the one that it's actually locked to. This caused a bit of frustration when it happened to one of the guys at work!

davidcole:

 

trig42:

 

JayADee: What happens if you don't sign out of find my iPhone?

 

You will not be able to reset the phone.

 

Or, you will be able to reset it, but not be able to set it up without the iCloud/FindMyIphone email and password.

 

 

 

 

You can do it after the fact though...I'd recently done it when selling my 5s. I looked up erasing a phone after doing it (doh) and saw there was an extra step needed to perform to stop it being locked to my icloud account.

 

To do so, you sign in to icloud.com and under find my phone you find the device and remove it from your account.  You can also do this before erasing it from within the phone.

 

Best to follow these instructions:

 

https://support.apple.com/en-us/HT201351

 

 

 

Cool, thanks. Thanks for all replies.