I phone 5 c software update

Hello ~ Your iPhone 5c cannot be updated further you need a newer device. If you consider a second hand device please take a moment to read these…

Activation Lock for iPhone, iPad, and iPod touch - Apple Support

Also:

The All Too Common SAD Reality of Buying a Used iPad/iPhone

~Katana-San~

An iPhone 5c isn't capable of 11 or above. To install 10.3.3, use a computer or the Software Update function in Settings.

(225233)