I'm using a MYPHONEMY27 Android phone.

*NOTE: TRY SEARCHING "MCPE 0.14.3 and 0.15.0 beta 1 LAVA TEXTURE bug" to see the difference*

If you searched the issue above, you might observe that the inside is visible. This WATER TEXTURE bug affects the OUTSIDE. It makes the outside look like an undersea background. The INSIDE looks NORMAL, though. Screenshots below. Look for the differences between the issue above.