When I create a BackgroundTransferRequest, with TransferPeferences set to AllowCellularAndBattery, I sometimes still get a TransferStatus set to WaitingForWiFi. Is there any way to force the transfer to occur over 3G? This is very weird, as sometimes I start 4 transfers, and 2 of them will be fine, and the other 2 will get into the WaitingForWifi state.
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Gustavo Guerra
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I think the problem may be with file size - see Background Transfer Policies - there are limitations for transfer by 3G. When the file is too large TransferPreferences automaticallly changes.
http://msdn.microsoft.com/en-us/library/windowsphone/develop/hh202955(v=vs.105).aspx
For now it seems to be no way to force transmission over 3G if policies are not ok.
Romasz
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Ah, that's it, some of the videos are slightly bigger than 20MB :( – Gustavo Guerra Nov 08 '13 at 12:04