Installing software updates as soon as they become available is always the first line of defense against hackers; this is true for both computers and cellphones.
An app on your smartphone could ask for rights when you install, such as reading data, using your camera, or listening in on your microphone.
Your phone's apps may have appeared innocent and straightforward when you first downloaded them, but later upgrades may have changed them into something more dangerous.
A thief might get into a lot of trouble if they manage to get their hands on your phone physically. First off, there's a good chance that your email app has a wealth of private data on it.
Make a plan so that you will know your data is secure even if your phone is taken. You can configure your phone to wipe itself automatically after a predetermined number of unsuccessful attempts to enter the passcode.
Considering how tedious inputting passwords may be when using a virtual keyboard, auto-login is a really useful tool. It's also a big risk because all it takes for a hacker to access all of your internet accounts is for them to open your browser.
It ought to be quite challenging for someone to access your phone if you've complied with the advise up to this point. On the other hand, several significant hacks have been carried out with no access whatsoever to the victim.