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PocketBook SURFpad 4 M User Manual

Page 43

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FIRMWARE UPDATE

43

TROUBLESHOOTING

Issue

Solution

The Device doesn’t

respond on screen

touches or keys

pressing

Restart the Device: Press and hold

On/

Off

button for 10 seconds until the De-

vice goes off. If you will continue holding

On/Off

button for 5 more seconds, the

Device’s power management system will
completely reboot. To switch the Device on,

press again the power button as usual.

After turning on the

Device only splash

screen is displayed

(the lock screen isn’t

loaded)

Turn the Device off by continuous power

button press

Press and hold

Volume +

button and

switch the Device on by pressing power
button

Android system recovery

menu will ap-

pear (Android logo with exclamation mark).

Now you can release

Volume +

button

Select

wipe data/factory reset

using

Vol-

ume +/-

hardware keys and press

On/Off

key to confirm choice.

Select yes – delete all user data and press

Menu

Under service menu select reboot system

now and press Menu