My brother has a Samsung Galaxy S3 mini from Verizon. When he plays on a server his game freezes for a period of time and comes back or force closes. When the game on his phone freezes, my game is still fine.
MCPE-9681
Games freezes frequently
Resolved
Duplicate
0
(Unassigned)
Unconfirmed
Phone - Android - Sony Xperia M
0.12.1 Beta 2, 0.12.1 Beta 3
Retrieved
Have you tried lowering render distance, disabling animated water, fancy graphics,etc?