Hi Vhic Thank you for your asking. Are you asking about how to manual update in Recovery Mode *Apply update from microSD card? Kindly try some stay-at-home troubleshooting tips below: 1. Try to download the firmware file again to ensure that the file is downloaded completely. 2. Try the steps: Apply update from microSD card>the firmware file>Wipe date/factory reset>Wipe cache partition
If the situation remains the same, please provide me your current firmware version and preferred firmware version. Thank you.