DAS.4 SB44, User Manual

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c) If it is still not working, the watch has a recovery time. After 2
days, it has no power, so it should be working after recharging it.
7) No voice on the smartwatch or the phone
Check the / - while calling. If the smartwatch
has the sound set to max and still hear nothing, the
speaker must be damaged, and it needs to be repaired
8) The watch can receive any call
oApply to your local operator for a function of showing callers ID
9) When use the watch to call, it indicates that it can no
be connected
Check the CSM signal, it shows on the screen. If not,
maybe your SIM card has loosened, try to reload again
a)
b)
a)
b)