Try this
# From the HERO3 update page click "Start Update" to begin. From the HERO3+ update page click "Update your camera manually" below "Other Ways to Update" to begin.
# On the first page, enter your serial number and registration information and then click "Next Step."
# On the next page, select 'Wi-Fi Update Only' with the blue check mark and click "Next Step."
# On the next page, enter your new camera name and password.
# Follow the rest of the on-screen prompts to complete the rest of the update process. [br]