I have a tmobile phone. Don't know if other carriers block the settings. One post somewhere I read that they had to sim unlock their phone with a number from service provider and enter that with another code to access hidden menus. Method 3: USB Debugging. USB debugging is another way to access the hidden menu on Android devices. To enable USB debugging, follow these steps: Go to Settings on your device. Scroll down to Developer options. Enable USB debugging. Connect your device to your computer with a USB cable. Open the extracted hidden_files_context_menu folder. Double-click the Add hidden files context menu command registry script file. Select Yes if a User Account Control prompt pops up. Click Yes within the Registry Editor dialog box that asks if you’re sure about continuing. Select OK on the second dialog box that appears. A menu will expand after a few seconds. 2. Tap Home screen settings. This displays options for customizing the home screen. If your app drawer is enabled, you won't see this option. Instead, open your app drawer, tap the menu at the top-right corner, and select Hide apps. Now, skip to step 4. While you’re watching Netflix on your PC, hit Shift + Alt on your keyboard and left-click your mouse on the screen. That opens a diagnostics window that contains several playback options and . Step 3: Tap Build number seven times. After the first few taps, you should see the steps counting down until you unlock the developer options. You may also have to tap in your PIN for verification According to Android Developer Official site,OnCreateOptionMenu(Menu menu) is not recomended for changing menu items or icons, visibility..etc at Runtime. After the system calls onCreateOptionsMenu(), it retains an instance of the Menu you populate and will not call onCreateOptionsMenu() again unless the menu is invalidated for some reason. Go to Advanced > Show app icon and toggle it on. That'll put a Gboard icon in your app drawer. Digital Wellbeing: Open your phone's settings, scroll down to Digital Wellbeing & parental controls Here is the screenshot of the hidden Samsung network settings. To access this , download activity launcher from playstore and type hiddennetworksetting, you will see an activity under call setting. Here is all list of bands that available on Canadian S21Ultra: Hope this is informative. Just wanted to share this info if in case somebody is How this is done differs between various Huawei devices, but on the Nexus 6P all you need to do is hold Vol Down + Power while the device is shut down. Then when you are within the bootloader menu

how to access hidden menu on android