Yes. The same dialer codes work on Galaxy Tab S6, S7, S8, and S9. For Wi-Fi only models, use the *#0*# method.
Printers are often the weakest link in a corporate network. Outdated firmware can contain security loopholes that hackers can exploit to access your network or intercept printed documents. Samsung firmware updates frequently patch these vulnerabilities. tsp fw update samsung
There are two primary methods to update the firmware. The method you choose depends on the age of your printer and whether it has a control panel screen. and S9. For Wi-Fi only models