Double Power Technology MD-740 - Manual (Page 9)

● While the device is charging, the touch
screen and the touch keys may not function
due to an unstable power supply. If this
happens, unplug the power adapter from
the power outlet.
● While charging, the device may heat up.
This is normal and should not affect your
device’s lifespan or performance.
● If your device is not charging properly,
bring your device and the charger to your
service provider.
● When the battery is fully charged, unplug
the power adapter.
Inserting Inserting Inserting Inserting the the the the memory memory memory memory card card card card (optional) (optional) (optional) (optional)
To store additional files, you must insert a memory
card into the card reader.
Your device accepts microSD
microSD microSD microSD™ ™ ™ ™ or microSDHC microSDHC microSDHC microSDHC™ ™ ™ ™
memory cards with maximum capacities of 32 GB
(depending on memory card manufacturer and
type).
● Your device supports only the FAT file
structure for memory cards. If you insert a
card formatted with a different file structure,
your device will ask you to reformat the
memory card.
● Frequent writing and erasing of data will
shorten the lifespan of memory cards.
● When you insert a memory card in your
device, the file directory of the memory card
will appear in the external_sd folder under
the internal memory.
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