To reproduce:
1) Open attached project and scene in it
2) Make sure it forces OpenGLES 2.0 in Player Settings
3) Build and run on Android

Expected: Planet with water and land colored properly
Actual: The planet is almost completely black

DUT: Google Nexus 5 (Android 6.0.1) (Adreno 330) (Reproduced)
HTC Desire 510 (Android 4.4.3) (Adreno 306) (Reproduced)
Google Nexus 6 (Android 6.0.1) (Adreno 420) (Not reproduced)
Google Nexus 10 (Android 5.1.1) (ARM Mali-T604) (Not reproduced)
Samsung Galaxy S6 edge (Android 5.1.1) (ARM Mali-T760 MP8) (Not reproduced)
Samsung Galaxy S5 Neo (Android 5.1.1) (ARM Mali-T720) (Not reproduced)
Samsung Galaxy Note 10.1 2014 WIFI (Android 4.4.2) (ARM Mali-T628 MP6) (Not reproduced)
Xiaomi MiPad (Android 4.4.2) (Nvidia Tegra K1-32) (Not reproduced)