Open HushSMS on the unlocked phone, select "WAP PUSH SL," enter the phone number of the locked device, and input a URL (like a bypass tool or settings link).

Use a trusted link to download the HushSMS_v2.4.1.apk file.

Older versions of HushSMS may not function correctly on Android 10 or newer due to restricted access to the device's telephony stack and SMS APIs. quashbugs.com How to Install HushSMS APK