I have a connection problem between the printer I have sproket and my iphone IOS 13 cell phone.

@Alessandra02car
 
Welcome to HP Community
 
I have gone through your Post and would like to help
 
Please Reset the Sprocket once again. Also ensure the Sprocket has the latest Firmware
 
Uninstall and reinstall the HP Sprocket App from App Store
 

Make sure the Sprocket is on and your mobile device is connected to the Internet.

On your mobile device, open the HP sprocket app.

Tap the Menu icon , and then tap sprocket.

Tap Manage Printers, make sure your Sprocket is selected, and then tap Printer Settings.

Under the Status section, locate Battery.

If the battery charge is 25% or higher, continue with these steps.

If the battery charge is 24% or lower, charge the battery for at least 30 minutes, and then continue with these steps.

In Printer Settings, look for a firmware upgrade.

If a firmware upgrade displays, tap Get Firmware Upgrade, and then follow the on-screen prompts to complete the update.

If a firmware upgrade option does not display, the firmware is up-to-date.

Let me know how it goes
 
Thank you
 
If the information I’ve provided was helpful, give us some reinforcement by clicking the “Solution Accepted” on this Post and it will also help other community members with similar issue.