adc

If you were following along with our coverage of MWC last week, you'll know that for Windows Phone it was pretty much the Nokia show. That's not to say that other manufacturers weren't present, simply that Nokia were without a doubt the most proactive in getting the most out of the annual mobile conference.

Now Nokia Developer have posted a very well produced video over on YouTube which gives you a great chance to see everything that Nokia were doing last week (primarily on the Monday). That includes the Nokia Apps Developer Conference (ADC) which we sorely wanted to cover, but were kept somewhat busy with everything else Nokia had to show.

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A few days ago, we detailed an ongoing problem with some unlocked Windows Phones, namely that MMS would not work when a new SIM card was placed into the device. On most phones, either the device will auto reconfigure itself or the user can manually input the MMS server settings. Unfortunately, for whatever reason, some Windows Phones don't have the first option, Automatic Data Configuration (ADC), enabled and no Windows Phone has the second ability. In turn, phones sold as unlocked by carriers are not fully functional.

In response, Samsung noted that their phones do not support this function by design. Although in comments to our article, an unverified person named Young Shin claims that they work for Samsung and had this to say:

I'm from Samsung's Windows Phone 7 team. Initially, the Network Profile application was designed to detect network reconfiguration on Samsung WP7 open market devices, it is not possible to reconfigure a carrier-locked device. Currently, Samsung is working on a modification which will enable the unlocked devices to be reconfigured to any other network. This application update should be available in WP7 marketplace by the end of this month. Thanks.

All we can do is wait to see if this is true but until then there is now a homebrew option, developed by "kuerbis" who gave WPCentral an early look. In short, it is Samsung's own Network Profile app (available in their app store) that he has modified to support network and automatic reconfiguration. Of course, you'll need to use ChevronWP7 to jailbreak your phone first, then load this app. And yes, it will even load the correct MMS gateway settings for users.

You can grab the homebrew Samsung Network Profile app by "kuerbis" here. We'll keep track of Samsung's official app as well.

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This one is a bit complicated but it's real important for our international users or those who travel/swap SIMs a lot. Turns out, on a lot of unlocked/unsubsidized devices with Windows Phone 7 have Automatic Data Configuration (ADC) disabled by default.

ADC is used when you boot up the device or replace the SIM to configure the phone for network provisioning, including MMS.  To make matters worse, there is no manual configuration for MMS on WP7. What all of this means is that a lot of users who use pay-as-you-go or swap SIMs often can't send MMS messages. Normally, users would have to hard-reset the phone (!), insert SIM and let ADC run--but even that is a lousy solution, after all who wants to hard-reset their phone for that? Basically people are buying unlocked phones with crippled MMS functionality.

Now some OEMs, like HTC, have a connection manager in their app store  (HTC Apps --> Connection Setup) which will get around this issue and allow HTC users to configure their phone.  Samsung has their Network Profile app too, but by most accounts it doesn't work very well. LG users can access their MFG (hidden configuration menu) and re-enable ADC themselves.  But it's the Samsung users that don't seem to have a solution right now, even though we have a MFG menu, we haven't found the ADC settings yet.

Microsoft is aware of the problem and it has been escalated.

Source + Read More: Microsoft Answers

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