Yes. Apple or Apple Store can restore your iPhone to factory. You can Restore your iPhone to factory also. Connect iPhone to iTunes on computer with USB Cable. Click Restore button of iTunes or on iPhone itself, just tap Setings App > General > Reset > Erase All Content and Settings. Done.
This site contains user submitted content, comments and opinions and is for informational purposes only.
Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site.