To update the Firefly Vision 5X you need to install an alternate firmware (ROM). If the device does not automatically update by itselves. You can use the new firmware for your smartphone.
You have to choose the firmware version and follow the instructions. If you have a trouble in update you can write about it in the comments below, we’ll help you.
There are two ways to install the official firmware:
If you want to update your phone using recovery – download official update, reboot your phone into recovery mode and click “Install update from SDcard”.
If you want to recover your phone using Research Download tool – download Research Download to your PC and install drivers. How to flash Firefly Vision 5X using Research Download tool instruction is here.