Revert "update fstab"

This reverts commit 6a2c95342e800384c2c29feda7cdd5f815aa17ac.
Revert "radio"

This reverts commit 23106dc6636d2ec2140558e7fbd0c93ae3b2255a.
Revert "update from lollipop"

This reverts commit 3288a40f0ea58cd85ab7a1a5c5935d06fc10ff5c.