How do I get my Apple iphone off deactivated

Disabled is different from deactivated. If it is disabled, You will need to restore the device using a computer. The process will erase the device. Later you can restore your data from a recent back-up. Instructions here…

If you forgot your iPhone passcode - Apple Support

If you can't Activate, see this link...

If you can't activate your iPhone or iPad (Wi-Fi + Cellular) - Apple Support

Click here and follow the instructions. Restoring the iPhone requires plugging it into a computer with iTunes installed, or a Mac running Catalina or newer.

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