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Three working modes
Please insert the micro SIM card & TF card firstly, and then follow the
instructions. If not, some features will be missing.
Here are different available functions under three working modes.
Important:
A SIM card is required in order to use cellular services when
connecting to GSM networks and CDMA networks. Contact your wireless
service provider for more details. Please notice that the watch availability of
cellular capabilities is 2G.
A TF card is required to provide more memory storage space.
