How can I fix an error code 0x800705af when trying to update to mobile build 10166?

[Windows Central Question]

error code 0x800705af when trying to update to mobile build 10166.

my lumia 635 is using build 10149 and when i try to update to mobile build 10166 it goes through the downloading process but when it get to preparring to install update it goes to a screen saying resuming then back to start screen without the update. how much storage space do i need or should i just reset my phone to get it. i have 1.52gb of internal storage left.

 

[SemBL83]

Re: error code 0x800705af when trying to update to mobile build 10166.

Same problem here. Have also a Lumia 635 and 1.65 gig to spare.