• Windows Mobile Team Blog

    Setting up GPS on Windows Mobile 5

    • 215 Comments
    Ever have trouble setting up a GPS device on Windows Mobile 5? Ever wonder what that GPS control panel really does? Well, wonder no more... Windows Mobile 5 introduced a new feature called the GPS Intermediate Driver which allows multiple apps to share...
  • Windows Mobile Team Blog

    Adding Root Certificates for Exchange Activesync

    • 205 Comments
    How can I add root certs to my Windows Mobile 5.0 device? In WM 5.0, the certchk tool no longer works for disabling SSL certificate verification on the Exchange ActiveSync connection. What are the options for secure connections to the server? ...
  • Windows Mobile Team Blog

    How to add your own root cert via CAB file

    • 146 Comments
    This post will explain how to install a root cert on a one tier device via a CAB file. For explanations of why you would want to add a root cert and alternate methods of doing so, see the discussion of root certs with Exchange ActiveSync. This method...
  • Windows Mobile Team Blog

    Whither Voice Command Over BTh?

    • 161 Comments
    I had a request to do a blog entry explaining why Voice Command doesn't work over Bluetooth (BTh) headsets. The long story is a sordid tale of love, betrayal, and the number 8. The short story is that the current version of Voice Command relies...
  • Windows Mobile Team Blog

    What's A "Compaction Thread"?

    • 241 Comments
    I've received a few questions from users who have said that their WM5 device seems to slow down and speed up erratically. (To be clear, we've only heard reports of this happening on two upgrade devices, and not on any of the devices designed specifically...
  • Windows Mobile Team Blog

    Why Can't I Upgrade?

    • 143 Comments
    We released Windows Mobile 5 a few months ago and devices are starting to hit the market now. A question I've seen asked in a number of places is, "Why can't I upgrade my existing WM 2003 SE devices to WM5?" The answer is sure to get me a bunch of...
  • Windows Mobile Team Blog

    Why Persistent Storage Is A Good Thing

    • 135 Comments
    Here's a quick primer on why you want Persistent Storage on your Pocket PCs. Persistent Storage (PS) on PocketPC is new for Windows Mobile 5.0. (All Smartphones since the original 2002 release have had PS.) Previously, your user data (email, contacts...
  • Windows Mobile Team Blog

    Internet Explorer Mobile 6

    • 121 Comments
    Today at Tech•Ed EMEA we announced the availability of emulators and documentation for Internet Explorer Mobile 6, which is the next generation browser for Windows Mobile. Available on new Windows Mobile devices soon, this browser will provide a high...
  • Windows Mobile Team Blog

    RAM, ROM, NAND, NOR--that's a lot of capital letters...

    • 96 Comments
    I had a request that I do an entry on the differences between RAM, ROM, NAND, and NOR. Because this is much easier and less controversial than the next entry I was planning, I'll take the path of least resistance and do it first. (-: Why do I care...
  • Windows Mobile Team Blog

    Windows Mobile 6 Storage Card Encryption FAQ

    • 161 Comments
    My colleague Jason Langridge wrote a post about the storage card encryption feature in WM6. This is one of the features I worked on, so I'd like to host some FAQs about it here. What scenario is the feature designed to mitigate? It's fairly easy...
  • Windows Mobile Team Blog

    Windows Mobile 5.0 Security Model FAQ

    • 121 Comments
    Windows Mobile 5.0 Security Model FAQ...
  • Windows Mobile Team Blog

    Introducing the SslChainSaver

    • 62 Comments
    Say hello to the SslChainSaver tool. This is a tool that I wrote internally to troubleshoot SSL connections and I'm finally able to offer it publically. Use this tool when you want to to add new root or intermediate certificates to a device for an SSL...
  • Windows Mobile Team Blog

    Customizing the Sliding Panel Homescreen

    • 143 Comments
    Hi, my name is Jorge Peraza; I am a Developer on the Windows Mobile team that was responsible for the new “Sliding Panel” home screen in Windows Mobile 6.1. When we were working on the visual style and functionality of the home screen we tried to...
  • Windows Mobile Team Blog

    Where's my RAM?

    • 85 Comments
    So you just bought a brand new WM5 device. The box says it's got 64M of RAM. You go digging through control panels on the device and find one that says it's only got 50M. Is something wrong? Should you be worried about this? The short answers are "No...
  • Windows Mobile Team Blog

    Why did we remove Bluetooth DUN?

    • 214 Comments
    I’m Greg Scott and I work as a developer on a team that provides core networking technologies on Windows Mobile. There has been some [negative] feedback from the community about Bluetooth dial-up networking (DUN) being removed in WM5 AKU3. I’ll do my...
  • Windows Mobile Team Blog

    Virtual Earth Mobile

    • 69 Comments
    When MSN’s Virtual Earth website came online a few months ago, naturally the first thing I did was try it on a Windows Mobile device. But the website is pretty advanced; it pushes the envelope of what you can do with a pure browser-based app using DHTML...
  • Windows Mobile Team Blog

    GetDeviceUniqueID

    • 61 Comments
    There is a new API available for retrieving a device id in Windows Mobile 5.0 for both Pocket PC and Smartphone. The first question: why do we need a new way of getting the device ID, what’s wrong with the old? To answer this you need to know what a device...
  • Windows Mobile Team Blog

    Announcing Windows Mobile 6.1

    • 91 Comments
    This morning Microsoft officially announced Windows Mobile 6.1 and an upgrade for Internet Explorer Mobile. Windows Mobile 6.1 will start showing up in devices very very soon, and the IEMobile update will be available later this year. Windows Mobile...
  • Windows Mobile Team Blog

    Everything You Want To Know About SD...

    • 154 Comments
    ... and weren't afraid to ask. There have been a number of questions about SD memory cards. This is a big topic, so I'll cover what I can and then see what questions come back. I'll either answer those questions in the comments or I'll do a second...
  • Windows Mobile Team Blog

    Input Tips and Tricks

    • 142 Comments
    I'm an input junkie. I type in Dvorak on the desktop. I wrote an app to control the desktop mouse with an XBox 360 gamepad. I wrote all of the input bus drivers for the Sega Dreamcast. I once wrote a driver for a chording data puck because I thought the...
  • Windows Mobile Team Blog

    The Mobile Secretary

    • 88 Comments
    I often invite my friends out to see a live band, a movie, or some other function where I won't be able to hear my phone ring or be able to answer it. Usually, there is always one or two people who don't exactly make it on time (sometimes that is me,...
  • Windows Mobile Team Blog

    The Emperor Has No Close

    • 194 Comments
    I’ve done blog entries on compaction threads, memory consumption, difficulties in doing upgrades, voice command not working over bluetooth, and 240x240 screens. Now I’m going to do one on why the little “X” button on PocketPCs doesn’t close apps. Am I...
  • Windows Mobile Team Blog

    WiFi Did You Do That?

    • 201 Comments
    Having survived explaining why the X button doesn’t close apps, I’ve been emboldened to take on the completely radioactive subject of why WiFi ActiveSync was removed from ActiveSync 4. I’m sure that I won’t come out of this one unscathed. The people affected...
  • Windows Mobile Team Blog

    Who's Using My RAM?

    • 125 Comments
    (Note: If words like "RAM" and "ROM" and "XIP" look strange to you, there is an entry here that explains their meanings.) In my recent " Where's My RAM " entry, I explained why you tend to see a difference between what the WM5 device reports as "Total...
  • Windows Mobile Team Blog

    Power to the Smartphone

    • 59 Comments
    There's been a fair amount of interest in an offhand comment I made recently about saving a lot of standby time by making an LED blink less frequently. So let's spend some time talking about what burns power on your Smartphone. Hopefully this will give...
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