The observer block does not register placing down redstone in front of it as a block update.
Linked issues
Comments 1
MCPE-15971
Observer Block
Resolved
Duplicate
0
The_Minecraft_Reporter
(Unassigned)
Unconfirmed
Tablet - Android - Samsung Galaxy Tab 4 Nook
0.15.1
Retrieved
Thank you for your report! This issue was, however, submitted at an earlier time as MCPE-15477. You may add any information you find relevant in the comment section there.