My phone has taken more than a day updating and it doesn't advance anything. Is there a way to go back?

[Windows Central Question]

My phone hhave taken more than a day updating and it doesnt advance anything

i am installing the build 10586.29 on my lumia 1320 it have take almost a day and doesnt install it. please help, is it a way to go back to WP8.1?

 

[chvasilikakis]

If you have an SD try the following.

• Remove SD card
• Restart the phone pressing at the same time for about 10 seconds "Vol-Down"+"Power Button"