I will answer the question using 2 different sources but from the same website as they are much better than the response I have in my head. Well, according to a post by ExtremeTech, that isn’t entirely true.

Nov 20, 2018 · When you use your mobile data instead of a WiFi network, your phone’s battery drains faster. This isn’t an Android specific thing. It also happens on iPhones, and any other portable device that can connect to a mobile network. Does GPS SmartPhone Use data. Yes and No based on if you have maps downloaded or not. 1. Street maps downloaded on your phone? Your maps navigation app can work without your Mobile Data from service provider like AT&T, Verizon, T-Mobile, Airtel, Vodafone or Sprint. Avoid silently transferring data when the device is connected to the mobile network. Instead, batch data and transfer it when the device is connected to a Wi-Fi network. If this is not possible, consider alerting the user and giving the option of continuing the transfer or of waiting for a Wi-Fi connection. You can call from a computer or mobile device. Calls use approximately 0.2 MB of data per minute. Whether on a computer or mobile device, you can't use incoming call options. These options include call recording or call transfer. And, if you use a Bluetooth ® device, you might not be able to use the buttons on it to answer calls or hang up. Yes it does use your data. Even though it says you're connected to wifi the hot spot overrides it & uses your cellular data. I finally figured this out after months of questioning my cellular company as to how it was possible I could use that much data. Oct 11, 2018 · If you use WiFi often, then your mobile data usage is probably quite low. However, it is still important to track your mobile data, and here are some reasons why: How Data is Used.

Data usage is billed based on the amount of data sent and received (megabytes or gigabytes), and it can be charged per-use or as part of a data package. Connect to Wi-Fi to use less data When you're connected to Wi-Fi you won't be charged for any data you use because you aren't using the Verizon Wireless network. BLUE: This is an iMessage. iMessages use data because they route not through to a phone number, but to an Apple ID that is associated with that phone number. This is why you can message on WiFi but not data. GREEN: This is a Text Message. You can only send these through the cellular network and not through WiFi.

Dec 11, 2017 · How much mobile data does a VPN use? Understanding how much of your mobile data a VPN uses is vital, since this is basically what you really want to know by asking the main question in this post. The amount of mobile data that a VPN uses depends entirely on the type of protocol you choose to connect to the VPN through.

Oct 11, 2018 · If you use WiFi often, then your mobile data usage is probably quite low. However, it is still important to track your mobile data, and here are some reasons why: How Data is Used.