iPhone How to fix iPhone reboot error 1015?

[stephenjangell]

I have an Apple iPhone 3G - was jailbroken with previous unknown owner...

 

[gngan]

I have an Apple iPhone 3G - was jailbroken with previous unknown owner...

So you choose to open a new thread and wait a day or two for an answer rather than google it?

Here you go:

https://www.google.com.hk/search?q=...me..69i57j0l3.4291j0&sourceid=chrome&ie=UTF-8

Second link from the search is from Apple:

http://support.apple.com/kb/TS3694

Took me less than 10 seconds to search and took me 2 minutes to type this post.