When I am swimming in deep water, I cannot see anything, this screenshot is with brightness up to full!
MCPE-8201
Alpha build 2. Can not see in deep water.
Resolved
Works As Intended
0
(Unassigned)
Community Consensus
Tablet - Android - Samsung Galaxy Tab S
Android 5.0.2
0.10.4, 0.10.5, 0.11.0 Beta 1, 0.11.0 Beta 2
Retrieved
Works As Intended. This is due to a much thicker fog under water than above.
I recommend checking the Minecraft Wiki prior to reporting an issue on the bugtracker, as what seems to be a bug to you may actually be intended.