How updated my phone

Hello ~ Your iPhone 5C can not be updated beyond iOS 10.3.3. You need a newer iPhone to run a higher version of iOS. If you consider a second hand device please take a few moments to read these helpful links by clicking on each below…

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~

Your iPhone is too old and would not be compatible with the newer software updates.

Click ▶︎ iPhone compatibility with iOS 16 for the complete list.

The time has come:

Shop one-on-one with a Specialist at an Apple Store.

Click ▶︎ Reserve a Shopping Session. 🛒