Both the cellular and WLAN network
may be turned on, but the WLAN
connection may be unstable.
You are unable to
hear anyone
because of too much
noise and hiss.
Ensure that call participants are within the
communication range.
The speaker may be blocked or
damaged.
Clean the surface of the speaker.
The radio fails to
detect the SIM card
or SD card.
The SIM card or SD card may be
installed improperly.
Remove and reattach the SIM card or SD card.
The SIM card or SD card may suffer
from poor contact caused by dirtied or
damaged metal contacts.
Contact your dealer or Hytera technicians for
maintenance.
The GPS cannot
locate your
position.
The radio may be at an unfavorable
position. For example, the signal may
be blocked by high buildings or
frustrated in the underground areas.
Move to an open and flat area, and try
again.
Ensure that the GPS antenna is installed
and not blocked.
If the above solutions cannot fix your problems, or you may have some other queries, contact your dealer for more
technical support.
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