How to upgrade Win10 Mobile 10549 preview?

  

In the early morning of October 15, Microsoft officially launched Win10 Mobile Preview 10549 today, but please note before the upgrade, the system version can only be upgraded from WP8.1 system, can not be upgraded from Win10 mobile version 10536, so need to first Roll back to the Windows Phone 8.1 system and update it with the Windows Preview Experience.

If you want to keep the Win10 Mobile Preview 10536, you will not receive the latest 10549 update today, Microsoft is solving the problem, but can only wait until the next update. Therefore, this rollback WP8.1 is a necessary condition, please pay attention to do a good phone backup.

Some netizens feedback, did not roll back WP8.1, received 10549 update in 10536 version, so you can check and update before making a decision.

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