Acer A1-811 User Manual download pdf (Page 2)

Step 1:

Copy SD image file to MicroSD Card and insert MicroSD card to tablet.

Step2: Enter boot menu

Power off tablet, then press and hold power key and volume up around 3 sec. to enter boot menu as below

picture. (volume up => move up, volume down=> move down and power key=> select)

Select “apply update from external storage”

Step4: Select SD image

Use volume up & down to select SD image you want to flash. Then press power key to run SD upgrade process.

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Acer A1-811 User Manual Page 2