PocketBook SURFpad 4 L User Manual
Page 43
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