If you encounter a system claiming to be "1506t Xtream IPTV 2022 upd", look for:

Plug the USB into the receiver and go to Menu > Settings > Upgrade > USB Upgrade .

: Native support for DVB Finder mobile app integration and built-in IMEI change options for specific SIM-based models. Update Specifications Hardware Version DVBS-1506T-V1.0-OTP Flash Size Upgrade Methods USB Flash Drive, HTTP (Network), or RS232 Loader Multimedia Code 1506 (Access via Multimedia menu) BEST: 1506G VS 1506T - Golden Multimedia Forum