"How do you switch from LTE to 3G?"に関する回答Start by going to your settings menu. From there select network connections and then tap on mobile network. You can then change the LTE setting to 3G in the open network technology screen.
"Does the camera have a Zoom option?"に関する回答Yes it does! It is your basic touch screen zoom method, just pinch your fingers against the screen.
"Can you transfer contacts using social media?"に関する回答Yes it is possible. Begin by going to your contacts menu. Once that is open swipe down until you reach yours settings option. From there you can choose to turn off the accounts you no longer want to have connected to your phone.
"Does the Z10 have a Speed Dial function?"に関する回答Yes, start by opening your contacts menu. Select the contact you want to add (their contact information should pop up on the screen). Press and hold down on their information. A star icon should appear near their name. Once it does, click it, that contact will now appear at the top of your screen every time you open your phone application in your “calls” section.