> On 30 Nov 2015, at 4:24 PM, Severin Crisp <sevcr...@westnet.com.au> wrote: > > I am very much an iPhone novice! Twice now it has uploaded/or dowloaded? > $40+ of data (20 or more GB!)with no trace of what it was and its origin or > destination. This is happening, but more slowly when data roaming is off. > With no activity by me there is a slow drain. I believe that I have turned > off everything in sight. > Can anyone point me asm to how to trace the culprit please?
Hi Severin, Are you using iOS 9.1? Monitor Cellular Data Usage In Settings > Mobile, under Use Mobile Data For, iOS lists every app that has used cellular data, along with a tally of how much data it has used since you last tapped the Reset Statistics button at the bottom of the screen. Disable Cellular Data by App iOS gives you ultimate control over whether an app is allowed to transfer data over a cellular connection. Tap Settings > Mobile, and under Use Mobile Data For, turn off the switch for any app that you don’t want using cellular data, perhaps because it chews data in the background. If you disable cellular data for an app, it won’t be able to use cellular data for any purpose. Stop Automatic Downloads When you buy an app, ebook, or music from Apple, it downloads to your device automatically. It can also automatically download to all your devices, so long as they are signed in with the same Apple ID. For example, if you bought an ebook from Apple’s iBooks Store on your iPad, it may have downloaded automatically to your iPhone. Although this feature is convenient, it can eat data quickly. To disable automatic downloads—and turn off automatic app updates—toggle the appropriate switch in Settings > iTunes & App Stores. Disable Cellular Data for Automatic Downloads What if you want to enable automatic downloads, but you don’t want them to happen over your cellular data connection? Go to Settings > App and iTunes Stores, and turn off Use Mobile Data. With this option disabled, items for which you’ve turned on automatic downloads (music, apps, books, or app updates) will download only over Wi-Fi. Stop Background App Refresh Introduced in iOS 7, Background App Refresh keeps certain apps updated even when they’re in the background. While this feature keeps app content fresh and saves you from waiting for data to load when you launch an app, it can also eat data without you realising. You can disable Background App Refresh entirely, or on a per-app basis, in Settings > General > Background App Refresh. Limit iCloud Data Usage Some iCloud services (shown in Settings > iCloud, if the device is signed in to an iCloud account) can use a lot of data, including Photos, Safari, News, and Backup (backups happen over Wi- Fi only). Consider disabling these services if you don’t use them. If you use iCloud Drive - (NOTE: I don’t use iCloud Drive) If you’re having trouble staying under a data cap, disable Use Cellular Data at the bottom of Settings > iCloud > iCloud Drive. If cellular data is off, your iCloud Drive documents will sync next time the device has a Wi-Fi connection. Turn Down the Music The Music app can consume an overwhelming amount of data, especially if you use Apple Music, iCloud Music Library, iTunes Match, or listen to online radio. Tap Settings > Music to find two options for controlling Music’s cellular bandwidth usage: • Turning off Use Cellular Data will not only eliminate the app’s mobile data usage, but also leave you without downloadable tunes in the Music app while you’re out and about. • If you keep Use Cellular Data on, you can turn off High Quality on Cellular to lesson the impact on your data cap. Cheers, Ronni > Severin Crisp > ____________________________________________________ > > Assoc Prof R Severin Crisp, FAIP, FIP, CPhys > 15 Thomas St, Mount Clarence, Albany, 6330, Western Australia > ph (08) 9842 1950 ( Int'l +61 8 9842 1950) > mail to: sevcr...@westnet.com.au > <mailto:sevcr...@westnet.com.au> > ____________________________________________________ >
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