in the manual without making any notifications in advance. It is
normal that some functions may vary in certain version of
software.
1.2、Please charge this product for no less than 2 hours
before using it.
1.3、Security code
The security code can prevent someone else from using your
watch without authorization. The initial security code is 1122.For
your personal information security, please change your security
code and firmly remember it.
1.4、Please insert your SIM card and TF card into the side slot
with the enclosed retrieve card pin.Make sure your watch is
power off while inserting your SIM card and TF. As pictures: