1) Sign out of iCloud.
Go to Settings > iCloud, scroll down and tap Sign Out. In iOS 7 or earlier, tap Delete Account. Tap Sign Out once again, then Delete from My iPhone, and finally enter your password.
2) Erase and reset your iPhone.
Go to Settings > General > Reset, then tap Erase All Content and Settings
1) Remove Google Account and any manufacturer (e.g. Samsung or Huawei) accounts.
Samsung: Settings > Cloud and Accounts
Others: Typically in Settings > Accounts
2) Erase and reset your device.
Samsung: Settings > General Management > Reset > Factory Data Reset
Others: Typically in Settings >
For instructions for your specific device Google “factory reset [phone name]”
Please use appropriate packaging to protect the mobile phone, as you will be liable to cover the cost of any damage to it.
You will be liable for the phone and contract until we have received it.