I am connected to my wifi I deleted all my photos and it keeps tell me I can’t update because I have no internet I can use apps such as Instagram and Snapchat I can txt but it won’t let me update

Turn off low power mode, and as I see you don’t have service for your Sim This may affect the phone being updated wirelessly!

See ☞ If you see No Service or Searching on your iPhone or iPad - Apple Support

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If you still can't update your phone check out this article ☞ If your iPhone, iPad, or iPod touch won't update - Apple Support

Follow the steps in this article first ☞ Manually update your carrier settings on your iPhone or iPad - Apple Support

if that doesn’t work See this article ☞ If you see a Cellular, Ultra Wideband, or Apple Pay Issue message after an iOS update or restart - Apple Support

Hey there,

can you give us a screenshot about what you see in Settings > General > software update.