If you own the Vfone Moon M23 device and you need to flash in the official Stock Firmware ROM. With the official ROM, you can get OTA Updates and another benefit the device manufacturing is giving to their users.
Before you start to flash the Stock Firmware ROM, please make sure you make a back up of the previous ROM. A charged battery is required to be the process. We will not be responsible if anything goes wrong, Good luck.
However, it’s recommended to check for OTA updates manually on your device via the phone settings. Settings > About phone > Software updates > Check for Updates. If the new software update is available, then tap Download now.