Also happens on 0.13.1.
When not signed in, the screen reads "xbox.signin.line1", "2" and "3" respectively.
Normally, you can't see it because the sign-in screen is blocking it. Just move it out of the way.
Acer Aspire E 14
MCPE-12360
Windows 10 "xbox.signin.line#"
Resolved
Fixed
0
(Unassigned)
Unconfirmed
Tablet - Windows 10 - Other (Specify in description)
0.13.0, 0.13.1
0.14.0
Retrieved
Fixed 0.14