Samsung has just pushed the March security update for a bunch of its smartphones: the Galaxy Note 4, Galaxy J1 Ace, and the Galaxy Tab A (2016).
Coming in with the builds N910FXXS1DQC3, J110HXXU0AQC1, and P585JXU2AQC2 for the Galaxy Note 4, Galaxy J1 Ace, and the Galaxy Tab A (2016) respectively, the update installs the March security patch on these smartphones.
The security update contains some fixes to bugs which gets rid of several vulnerabilities thereby making it difficult for hackers to get hold of the sensitive data on your smartphone.
Also, the March security update brings several system improvements to all the three smartphones.
Before you begin to install the update make sure to back up your data just in case things go wrong. Also, connect your smartphone to Wi-Fi to avoid additional data charges.