Why doesn't Zhang Jubao's Apple mobile phone have permission?

The mobile version is low. Each mobile phone has its own setting function keys, but the setting system of each mobile phone is different. According to different mobile phones, different versions of firmware and settings are different. Palm Jubao APP is a community service software based on Internet of Things, cloud computing, Internet and other technologies. It has the functions of intelligent property, intelligent security, intelligent access control, intelligent car ban, intelligent elevator, community service and so on. It can realize the comprehensive management and operation of the community and open up wisdom for the property and owners.