Installing Win10 Mobile Preview version 14977 has error 8007007B solution

Microsoft said that if you encounter error 8007007B when installing the latest Windows 10 Mobile Preview 14977, you must wait until the next push.

After a few weeks of waiting, Microsoft is now releasing a new beta preview for mobile devices. This time, the company is pushing Windows 10 Mobile Preview 14977 to Fast Track Insider members with a series of improvements and changes, and Microsoft Edge supports the epub file format on mobile devices. However, some phones may receive error 8007007B, which can cause the phone to fail to install today's updates. The Microsoft Community Forum has a dedicated post, which was known before the update.

In fact, the same error was noted in this version of the update log note. Microsoft said the error could appear on 8GB internal storage devices, such as the Lumia 550.

Microsoft explained that if you encounter error 8007007B, you will not be able to install this version. In addition, the company pointed out that there is currently no workaround and you must wait until the next Windows 10 Mobile preview.

It is also worth mentioning that this issue does not affect all equipment and does not have long-term effects. In this case, your phone has error 8007007B, the installation will fail, and the device will be restored and booted to a previous version of the operating system.

Microsoft also confirmed that they are aware of this issue and are currently working on solutions for those affected devices.

Do you encounter error 8007007B when installing build 14977 on a mobile device? Please let us know in the comments below.