1. Determine whether the SIM card has data by checking whether Minichat and the positioning function are normal.
2. Is the symbol "G" in the status bar displayed normally on the main interface of the watch? If not, please solve network problems first.
3. Does the watch show “Successfully Set” when setting?
4. Check whether the set period of time is normal (distinguish between morning and afternoon hours; for example, "2:00 p.m." should be "14:00 p.m." in the Class Mode interface).
5. Reset and try again.
2. Is the symbol "G" in the status bar displayed normally on the main interface of the watch? If not, please solve network problems first.
3. Does the watch show “Successfully Set” when setting?
4. Check whether the set period of time is normal (distinguish between morning and afternoon hours; for example, "2:00 p.m." should be "14:00 p.m." in the Class Mode interface).
5. Reset and try again.