Using your mobile 'How to' videos Top Using your mobile Switching your mobile service to JT If you’re interested in moving your mobile service with us, check this handy video guide. What is data throttling? Throttling is a network management technique used to limit bandwidth and data usage. How to set up and activate voicemail on an iPhone In this video we show you how to easily configure your JT voicemail service on your iPhone device. How to switch between 4G and 3G Learn how to change your mobile data settings and switch between 4G and 3G networks which affect your connection speed and data usage. How to set up a mobile hotspot Turn your phone into a mobile hotspot and share your data with wi-fi enabled devices, here is how. Roaming Tips Learn useful tips to minimise your roaming charges and enjoy the best experience when using your service overseas. How do I select which apps are using mobile data? Control which apps can access data when you’re not using wi-fi. Avoid unexpected bills or running out of data. How to set up parental controls on iOS Eanble parental controls, monitor the apps, content and features that your kids can access when using an Apple device. How to recover deleted text messages on an iPhone Learn how to retrieve text messages which you deleted from your Apple device. How to set up, create and name a group text on iPhone In this video, we’ll show you, step by step, how to create a chat group on your Apple device. How to turn mobile data off and on - iOS Check how to disable and enable mobile data on your iPhone. How to turn mobile data off and on - Android Check how to disable and enable mobile data on your Android device.