Windows Phone Stuck on 0xc000021a problem. RRS feed

  • Question

  • Hi. My phone stucked on a blue screen with 0xc000021a error. It happened after trying to reset the phone. How do I solve it?
    Tuesday, December 3, 2013 1:27 PM

All replies

  • Hello ItaloP

    Please respond with the following info:

    Phone Model:


    OS Version: found at Settings>About>More Info>OS Version

    Tuesday, December 3, 2013 9:10 PM
  • Hi.

    The phone is an HTC 8x AT&T, with Windows phone 8, unlocked.The phone don´t boot. It stuck in the blue screen showing the error.

    The OS is 8.0.10327.77

    Firmware 3030.0.34101.502

    I´ve got these info before the phone problem.

    • Edited by ItaloP Tuesday, December 3, 2013 11:20 PM
    Tuesday, December 3, 2013 11:19 PM
  • Hi Italo,

    This details how to factory reset you phone without being able to boot http://www.htc.com/us/support/howto.aspx?p_id=532&id=319156&p_name=windows-phone-8x-by-htc-att

    I do not know of a way to recover the phone from this state without a reset. Skydrive backup is automatically on so at least most of your information is saved on the cloud. Let me know if this works for you.


    Thursday, December 5, 2013 5:48 PM
  • Have you had any luck with the reset Italo?


    Thursday, December 12, 2013 9:23 PM
  • I too got the same problem.Gave it to HT C service center and received a response that my Motherboard got failed.

    Monday, September 7, 2015 9:40 AM