Guia- Instalar- Actualizar El Firmware De La Tablet Microlab Mb4 =link= -

: Connect the tablet while powered off. Open Windows Device Manager. You should see RockUSB Device or Unknown Device (that’s your sign it’s ready).

Disconnect the tablet. Press and hold for 10–15 seconds. : Connect the tablet while powered off

(Windows 10/11):

Antes de comenzar, asegúrate de cumplir con lo siguiente para evitar dejar la tablet "brickeada" (inservible): : Connect the tablet while powered off