Up-to-date:
Keep your devices up-to-date date so that every bug that fixed in recent times will help you to protect your device.
Making the regular update won't change in the store's sizes of your device. It's just bug fixes.
The update will be in two types.
Bug fixes
Patch update (major update)
Bug fixes:
Every product or software published will have a bug through which an anonymous can have access and can cause the vulnerability. Thus, they fix each and every bug within a time period with a patch so keeping you up-to-date makes you less harm, reliable and Secured.it won't make much difference in storage consumption.
Patch update:
They are done at most cases when the addition of any new features, or change UI and even version changes at this type at some point even the company will stop providing the security patches to the older version.
Microsoft officially announced the shutdown of security patch update to windows 7(i.e., older version). In this case, if any vulnerability happens we can't get any server-side protection from the parent company.
Thus, keeping up-to-date helps you from being secured!
Don't Jailbreak or Root your smartphone!
Jailbreak or Root is something like you are taking your smartphone for manual maintenance.where you can access your smartphone to the root system folder. At some point, if the hacker has got your root access the device will no longer consider you as the admin.
And it also something like your are "breaching warranty" this only goes for the developer where you can customize anything in your smartphone on the other case there are many chances that your smartphone can be hacked.
It's against the rules on terms and conditions. The rooted smartphone can get updates and security patch everything through manual flashing method.it make less secure.
Password or fingerprint.
By setting the password or the biometric locks can help you to be secured at some point
It helps in protecting your smartphone from being accessed to unauthorized users.
Connect to Secure WiFi.
while connecting to the wifi some wifi points will throw you the login page or some phishing sites to get access to the network.
At this time providing your login credentials or some personal data can lead to vulnerability.
And every wifi has its own firewall port for sending and receiving the packets and everything is transparent.
Avoid making transactions on anonymous wifi.
Remote wipe.
In any case, if your smartphone contains many personal documents and it gets lost better to be at a safer side always have a remote wipe enabled. So that when the device gets lost and at no point you can't get your phone back it's better to wipe your data so that no one can access it.
At my personal experience for the remote wipe you can use Google Find My Device.,
For remote wipe using Find My Device:
Goto., Find My device And your Device page,
Select your device that to be wiped,
Make sure you use the same Gmail Login Id credentials at Both your system and the targeted device.
Try changing passwords, locking the phone if you needed it has various options such as. Play Sound, Secure, Locate, Erase Device.
The Erase Device Will Erase your Mobile data completely. For Further References check out official Documentation., Remotely find, lock, or erase
6. Encryption of the data
Encryption of mobile data hasn’t necessary at this point. May for your further protection try getting some third party applications that protect your data on the encrypted wallet.