1. cochesaurus's Avatar
    Hi,
    After recent Facebook app update, I noticed increasing data usage, my data plan reset every month 1st, and in data sense Facebook (as of May 4th) already haves 100 MB usage I'm not sure if this is probably caused by Facebook's contact sync, or maybe is data sense which is not measuring properly...

    Anyone experiencing this problem?

    Thanks,
    Jose
    phoenixxdee and twrist like this.
    05-04-2016 03:34 PM
  2. Chintan Gohel's Avatar
    Hi,
    After recent Facebook app update, I noticed increasing data usage, my data plan reset every month 1st, and in data sense Facebook (as of May 4th) already haves 100 MB usage I'm not sure if this is probably caused by Facebook's contact sync, or maybe is data sense which is not measuring properly...

    Anyone experiencing this problem?

    Thanks,
    Jose
    were there any significant changes to the facebook app after the last update?
    05-05-2016 06:46 AM
  3. cochesaurus's Avatar
    I mostly open the app when I'm on Wi-Fi, but recently I noticed that in the top of the app's screen, often a progress bar appears, that says syncing contacts or something like that. I wonder if this could be running on background when I'm using my data plan.
    05-05-2016 08:36 AM
  4. cochesaurus's Avatar
    As of May 6th, Facebook app (running in the background and tiled in my start screen) has consumed like 200 MB of my cellular data plan

    I go to Facebook settings and set Contacts Sync to Off. Hopefully this will reduce the data consumed.

    I hope in the future, once Facebook UWP becomes available for Windows 10 Mobile, it would be an option to contacts sync only when on Wi-Fi.

    Regards
    Chintan Gohel likes this.
    05-06-2016 04:54 PM
  5. Chintan Gohel's Avatar
    As of May 6th, Facebook app (running in the background and tiled in my start screen) has consumed like 200 MB of my cellular data plan

    I go to Facebook settings and set Contacts Sync to Off. Hopefully this will reduce the data consumed.

    I hope in the future, once Facebook UWP becomes available for Windows 10 Mobile, it would be an option to contacts sync only when on Wi-Fi.

    Regards
    knowing that facebook uses so much data, I always use the browser for facebook. Earlier it had been opera mini and now it's UC browser.
    05-06-2016 11:51 PM
  6. Crushing Destroyer's Avatar
    This is happening to me as well - I see that contact/calendar sync bar and the app has been using massive amounts of data.
    05-29-2016 08:15 AM
  7. Ma Rio's Avatar
    Well, the contact sync happens everytime someone changes their profile photo, or you add new friends or smth like that. For me, it updates like once every few months, but if you have more friends, it could be more often. And that's probably the reason why it eats so much of your data plan. You can just turn off sync.
    For me, it's working nice.
    05-30-2016 11:08 PM
  8. Crushing Destroyer's Avatar
    Well, the contact sync happens everytime someone changes their profile photo, or you add new friends or smth like that. For me, it updates like once every few months, but if you have more friends, it could be more often. And that's probably the reason why it eats so much of your data plan. You can just turn off sync.
    For me, it's working nice.
    I do understand what it's doing, but I think that 2GB a month is excessive. It seems to happen every time I open the app and has only done this on W10M, never had this happen with 8-8.1.
    twrist likes this.
    05-31-2016 09:15 AM
  9. twrist's Avatar
    Mine is the same. It syncs every time I open the app, so I can only use Facebook on Wifi at the moment, or else I have to use the mobile website.

    Last month, the Facebook app alone used 1.6GB of my 4G data in a single month.

    It's true that turning off contact syncing 'solves' the problem, but it is hardly a solution in the longer term, because it removes all Facebook contacts from your phone's contacts - people I was having conversations with on Whatsapp etc all went missing because they were 'Facebook-only' contacts. It is a ridiculous turn of events. I understand that keeping contacts synced is a great feature, but it is a feature we've had since WP7 and I've never seen an app use this much data to do it...
    Crushing Destroyer likes this.
    06-01-2016 06:23 AM
  10. cochesaurus's Avatar
    Mine is the same. It syncs every time I open the app, so I can only use Facebook on Wifi at the moment, or else I have to use the mobile website.

    Last month, the Facebook app alone used 1.6GB of my 4G data in a single month.

    It's true that turning off contact syncing 'solves' the problem, but it is hardly a solution in the longer term, because it removes all Facebook contacts from your phone's contacts - people I was having conversations with on Whatsapp etc all went missing because they were 'Facebook-only' contacts. It is a ridiculous turn of events. I understand that keeping contacts synced is a great feature, but it is a feature we've had since WP7 and I've never seen an app use this much data to do it...
    I agree, I hope that the Facebook UWP soon will be available for Windows 10 Mobile and fixes this issue. I think it could be solved by syncing contacts only when Wi-Fi is available.
    06-01-2016 11:22 AM

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