19
Troubleshooting
If you see any of the following symptoms while using the product, make
sure to recheck it. It may not be a malfunction.
Symptom
Cause and Solution
The power does not
turn on
Check the battery level and charge it.
If unable to make a
call with earbuds
If the mobile phone does not support headset
and hands-free functions, you cannot use the
calling features.
Check the battery level and charge it.
If unable to register
earbuds to mobile
phone
Check whether earbuds are turned on.
Check if the earbuds have entered the search
mode.
- While the earbuds are inserted in the charging
case, press and hold the touch pad on the left
or right earbud for 3 to 5 seconds to switch to
the search mode.
If you replaced the
earbuds or there is
a problem with the
operation
(Factory reset)
While the earbuds are inserted in the charging
case, press and hold the touch pad on the left or
right earbud for 10 seconds or more.
- The battery status indicator of the charging
case flashes red and the initialization to the
factory status is carried out. After initialization
to the factory status, reconnect the earbuds.
Summary of Contents for TONE FREE
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