GBA-400+

●Description
This is the basic application for connecting and communicating with a Bluetooth(R) v4.0 enabled CASIO watch.
Pairing your watch with an iPhone enables use of a variety of different Mobile Link functions that greatly enhance the iPhone experience.
The GBA-400+ app also simplifies certain watch operations by letting you perform them on your phone screen.

Visit the website below for details.
http://world.g-shock.com/

We recommend using GBA-400+ on the following operating systems.
Operation is not guaranteed for any operating system not listed below.
Even if an operating system has been confirmed as compatible, software updates or display specifications may prevent proper display and/or operation.

⋅ iOS 12 or later.

Applicable Watches: GBA-400

Please refer to the FAQ link below to resolve problems such as being unable to connect or operate the watch.
https://support.casio.com/en/support/faqlist.php?cid=009001019

This application uses location information to obtain accurate time.
For "Location Service" in iPhone privacy settings, please "Always". If it is not "Always", the application will not work properly.
Continued use of GPS running in the background can dramatically decrease battery life. Show More