December 21, 2014

Android Activations and How They Break Down

Andy Rubin has only five tweets, of which the last one stated that there are now over 500.000 Android activations each and every day. That’s good news, of course, but what exactly is an activation? That’s what I’m here to explain.

First, you need to know the definition of an “activation”. A device gets activated when you sign in with your Google account on a device. That means that an activation count excludes devices without Google Apps, like certain Archos devices and most of those Chinese iPad knock-offs running on Android 1.6.

Crystal clear, right? No, not really. An often heard question is the following one: “Does everytime I flash a ROM count as an activation?”. No, and I’ve got proof. Take a look at the picture below. I’ve had a lot of devices — most of them are review samples — and I’ve flashed dozens of ROMs on them.

If a ROM flash would count as an activation, I would now have over 70 devices listed here, but I don’t. Except for a few errors, they all appear only once in the list. That leaves us with a few explanations:

  • Google stores your IMEI to identify your device
  • Android phones have a different identification option we don’t know about
  • When you log in with your Google account on a previously used IMEI or IMSI, it doesn’t count as an activation.
  • Google uses your IMSI, which is something similar to an IMEI, but based on your SIM
  • Google is watching you.

Let’s run through these options, shall we?

1. Google stores your IMEI to identify your device

That’s very plausible, but it doesn’t explain why WiFi-only tablets and PMPs are registered in the the Market. An IMEI number relies on a GSM radio, so devices without a cellular radio don’t have a true IMEI. It is possible to fake one, although that is an unlikely thing for Google to do, however possible.

2. Android phones have a different identification option we don’t know about

Possible, but unlikely. It’s possible to flash Android on a non-Android device, like the HTC HD2 for example, which means those devices can’t have a special identification option.

3. When you log in with your Google account on a previously used IMEI or IMSI, it doesn’t count as an activation

This is my favorite explanation, but in order to accept it, we must also accept explanations one and four. This one basically means a ROM flash doesn’t count as an activation as long as you keep the same Google account running on it. If you sell, give or lend it to someone else who uses a different Google account, it does count as an activation.

4. Google uses your IMSI, which is something similar to an IMEI, but based on your SIM

This has roughly the same issue as the IMEI thing: it doesn’t include WiFi-only devices. I don’t expect it to be this one. It’s possible, but unlikely.

5. Google is watching you.

Yeah, and those pancakes you eat for breakfast? Those are tiny GPS tracking devices. And Russia is about to invade the U.S. This one is a bit far-fetched, but I’ll leave it up to you what to believe.

In conclusion, it’s not completely clear how Google counts the activations, but I personally think number three is the most probable option. I’d love to see a statement from Google regarding this. So, what do you think? Is the high activation count due to constant ROM flashes by rooted users, or is Google keeping an eye on us? Be sure to leave a comment below, or on our Facebook Wall!



  • http://twitter.com/ryocoon Kurtis Whittington

    Google themselves have said that using IMEI is a poor way of identifying devices, and _WILL_ lead to issues for devices without GSM chipsets (CDMA, or WiFi only anybody?) There is an API method in the Android OS that uses several hardware identifiers to create an identification hash for your device. This is the preferred way of identifying a device.
    This would then point to explanation #2, with which I concur. Its not entirely unknown, but requires you to dig through lots of code to properly understand how it is done.

  • Alberto Zaragoza Comendador

    I cannot speak about technicalities, but I would like to remark that Google is significantly undercounting Android numbers by only including those that have its services. Meaning that the many pseudo-Android phones sold in China go uncounted (however, IDC and the like do count them. They reported 36m shipments of phones alone in Q1).

    There’s a similar problem with the Market. People get apps from Getjar, Amazon and whatnot, so data from the Market alone is leaving out a huge chunk of downloads.

    In short Android is like the universe: we know it’s very big and it’s growing damn fast. But that’s it.

  • http://twitter.com/udnaan Adnan

    Google account + Device OEM + Optional Service provider.
    Even if you use a single account on a tablet and two different phones, it is very unlikely to have two tablets by same OEM, phones on same provider and made by same OEM. 

  • http://techefficacy.tumblr.com J D

    You may want to remove your email address from your pic.

  • http://www.facebook.com/wkd2639 Andrew Simon Jones

    Surely as every Android device that can be activated will contain a WiFi chip – hence just use your WiFi Mac Address. Sure you could fake it if you wanted to – but what benefit would you get?

    • http://samedayessay.com/ essay help

      Man you have a clue! why even buy something if you going to cheat about it! 

  • http://samedayessay.com/ essay help

    Its unhappy news! But numbers of android users is growing up every day!

  • http://samedayessay.com/ essay help

    Its unhappy news! But numbers of android users is growing up every day!

  • Anonymous

    Its unhappy news! But numbers of android users is growing up every day!Thanks for post..CRM tools

  • http://www.facebook.com/profile.php?id=1422573270 Michael Interbartolo III

    but since there is a workaround for the Archos devices are those not also considered activations once they get Market loaded on the tablet. I have had the Android Market on my Archos 70 since I bought it because the fix took less than 5 minutes from search to execution and reboot.

  • http://www.globalstockinfo.com/ share tips

    After activation, can we use all the application of android ?

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