Partner OT-110 User Manual page 70

7. Use a paper clip press and hold the
update button on the battery cover
and then press the power button.
8. Press the power button to select
"01. UPGRADE IMAGE VIA SD/
MMC" and then press and hold
the power button for three seconds
to confirm.
9. Press the power button to select
"00. UPGRADE ALL" or "01.
UPGRADE ALL + FORMAT"
, and then press and hold the
power button for three seconds to
confirm.
10. When the screen displays
"UPGRADE DONE" remove the
battery cover, remove the battery.
11. Replace the battery and the cover.
12. Power on the device.
60 C H A P T E R 2 U S I N G T H E D E V I C E