Top 10 Most Secure Android Phones to Buy in 2023

Haseeb Awan
calender icon
April 12, 2023
Modified On
April 15, 2023


In today's world, smartphones have become integral to our daily lives. We use them for everything from communication to entertainment and even banking. With so much personal information stored on our phones, we must consider the security of our devices. 

Android is one of the most popular mobile operating systems known for its customizable and open-source nature. However, with that comes the risk of security vulnerabilities. Fortunately, there are several Android phones on the market that prioritize security.

This blog will discuss why mobile security should be your priority.

Secondly, I will discuss the importance of securing your Android device and provide some tips on how to do so

I have also listed the best and most secure Android OS and the ten most private Android phones to buy in 2023.

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Why Mobile Security Should Be Your Priority?

Mobile security should be your priority because mobile devices have become integral to our daily lives. We rely on them for various purposes, such as communication, banking, and accessing sensitive information.

Mobile devices, including smartphones and tablets, are vulnerable to security threats such as malware, viruses, phishing attacks, and data breaches. These threats can compromise your personal information, including your contacts, passwords, financial information, and other sensitive data, putting you at risk of identity theft, financial fraud, and other cybersecurity issues.

Moreover, mobile devices often connect to public wifi networks, which are vulnerable to cyber attacks, making them even more susceptible to security threats.

Why Is Android Security Important?

Android devices are vulnerable to various security threats, including malware, viruses, phishing attacks, and data breaches. These threats can compromise your personal information, such as contacts, passwords, and financial information, putting you at risk of identity theft or fraud.

Moreover, many Android devices have pre-installed apps that may collect and share your data with third parties, compromising privacy. Therefore, it is crucial to secure your Android device to protect your data and privacy.

How To Secure Your Android Device?

Here are some tips to help you secure your Android device:

Keep your device up-to-date.

Android releases regular security updates that address known vulnerabilities and improve the overall security of the operating system. Therefore, keeping your device up-to-date with the latest security patches is essential.

To check for updates, go to your device's settings, scroll down to "System," and select "Software update." If an update is available, download and install it as soon as possible.

Use a strong lock screen.

A strong lock screen is one of the most effective ways to secure your Android device. A lock screen can prevent unauthorized access to your device, and you can set up a pattern, PIN, or password to secure your device.

To set up a lock screen, go to your device's settings, select "Security," and choose a lock screen option.

Install anti-malware software.

Malware is software that can harm your device or steal your data. Installing anti-malware software can help protect your device from malware attacks.

Several anti-malware apps are available on the Google Play Store, such as Avast Mobile Security, McAfee Mobile Security, and Norton Mobile Security. Install an anti-malware app and run regular scans to keep your device secure.

Use strong passwords and two-factor authentication.

Using strong passwords and enabling two-factor authentication can add an extra layer of security to your Android device. Two-factor authentication requires you to provide two pieces of evidence to access your device, such as a password and a fingerprint scan or a one-time code.

To enable two-factor authentication, go to your device's settings, then select "Security," and choose "Two-factor authentication."

Be cautious of apps and links.

Downloading apps from untrusted sources or clicking on suspicious links can put your device at risk of malware and phishing attacks. Therefore, it is crucial to be cautious of apps and links.

Only download apps from the Google Play Store, and do not download apps from third-party sources. Also, do not click on links from unknown sources; be cautious of links in emails or text messages.

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Top 4 Most Secure Android OS

Let’s first have a look at the top secure Android OS in the market these days:


The Calyx Institute's CalyxOS is an Android operating system focused on security and intended to be installed on various devices. One such gadget already installed by CalyxOS is the Calyx phone, which offers users who care about their privacy a highly secure option. The operating system includes tools like encryption, app permissions, and hardened privacy controls. It also has the F-Droid app store, which gives users access to open-source, free apps focusing on user security and privacy.

Here are some examples of Calyx OS-installed cell phones:

  1. Pixel 4a
  2. Pixel 6a


GrapheneOS is a different Android operating system focused on security and intended to be installed on various devices. Users who want a high level of security on their smartphones frequently choose Pixel devices supported by GrapheneOS. The operating system has strict access controls, a hardened kernel, and verified boot as security features. Some of its additional features are sandboxed applications, encrypted backups, and high network security.

Here are some examples of Graphene OS-installed cell phones:

  1. Pixel 7 Pro (Cheetah)
  2. Pixel 7 Pro (Panther)

Above Phone: 

The Above Phone is a security-focused smartphone aimed to be a private and secure alternative to commonplace gadgets. It uses the secure and private AboveOS operating system as its foundation. The phone has features like encryption, sandboxed applications, and a hardware security switch to physically turn off the microphone and camera. To protect users' online privacy, the operating system also has a built-in VPN and Tor integration.

Here are some examples of Above Phone OS-installed cell phones:

  1. Pixel 7 Pro
  2. Pixel 6 Pro


A security-focused Android operating system called CopperheadOS is made to be installed on a variety of devices. One such device with CopperheadOS pre-installed makes it a highly secure option for users who care about privacy, is the Copperhead phone. The operating system has tools like a hardened kernel, verified boot, and stringent access controls. Additionally, it has encryption, sandboxed applications, and robust network security features. CopperheadOS is frequently updated with security patches and bug fixes to ensure that the system stays secure over time.

Here are some examples of Copperhead OS-installed cell phones:

  1. Pixel 6
  2. Pixel 7 series

Top 10 Most Secure Android Phones In 2023

Based on the features, pros, and cons following phones have been identified as the top 10 most secure Android phones to buy in 2023. Android is always the top priority for users when buying a phone regarding features, customizability, and innovation.

Google Pixel 7 Pro

Google Pixel 7 Pro is the best example of what Google can offer right now on its best. Its extraordinary security features make it distinguishable from other Android phones. Based on google tensor, G2, with the highest 512GB storage, has truly impressive software that can attract users. If you are looking for a secure Android smartphone, Google Pixel 7 Pro is the best choice.

Titan M2 security chip is the main feature of google pixel 7 Pro. This security chip is exactly like the ones in bank cards, ID cards, and sim cards. This security measure prevents any unauthorized access to information. It also provided end-to-end encrypted data for sensitive information like payments.

Google is continuously updating its security features in it. Google Play protect to prevent any malware and phishing attack through harmful application. Moreover, specific features like private data access are only available to the phone's owner. The facial password also helps in securing the data.

Overall, the experience of google pixel 7 Pro is the best, all thanks to the regular updates in security features by Google. The extras with the phone, like the wireless charging option and the long-lasting battery, have made the google pixel 7 Pro a phenomenal device.

Bittium Tough Mobile 2c

Bittium Tough mobile, as the name suggests, is tough for cybercrime attacks. It provides safe communication designed for the defense sector where premium security is needed. Bittium Tough 2C has security features like 2-factor authentication, disk encryption, integrity check, and threat detection. Bittium is a Finnish product famous for providing secure military connections.

The information security platform is based on the Android 9 operating system and powered by Qualcomm Snapdragon 670 SoC and Adreno 615 GPU. The feature of making double phones at a time is significant in Bittium Tough Mobile 2C. The secure suite management system of Bittium Tough Mobile 2C allows configured security reboot whenever you want to access each profile. The crucial design customers can also be inclined to Bittium Tough because of its paperweight feature. The Yubico NFC key under the phone provides a second layer of security.

All these features made the Bittium 2C smartphone an ideal device for personal and business use. It's wireless connectivity and internal backup battery produce a premium experience for users. Overall, the design, hardware, and double security feature are attractive if you belong to the corporate sector. Then this smartphone is best for you. It will help you secure data and file management of your business.

Sirin Labs Finney U1

Sirin Labs Finney U1 is the best Android device in terms of built-in cold storage crypto wallet. Finney U1 has proved to be the most secure phone in protecting users from cyber-attacks. The SIRIN operating system powers this ultra-secured smartphone. Finney U1 comes in a modern and exclusive design with 128GB memory storage and is powered by Qualcomm Snapdragon 845, supporting major cryptocurrencies.

Finney U1 is designed on a contemporary sports car model, which provides ultra-fast & smooth usage. Finney U1 is the first choice for security-conscious consumers with an outstanding security suite layer. The specifications of Finney U1 have proved that it is the enhanced version of the mobile user interface.

Finney U1 offers security features like 3-factor authentication from 3 separate categories, secured email, text, and VoIP, and an intrusion prevention system to protect users from cyber security attacks. Finney U1 is a fine choice and is available for $999 only. The secure hardware element in Finney U1 has made it attractive enough to pay $999 for it. The secured application system in Finney U1 provides an enhanced customer experience with advanced security and privacy. Overall, it is the best mobile phone if the user wants to store cryptocurrencies safely.

Purism Librem 5

Purism Librem 5 operated on pure OS or open source operating system. With 32GB Ram and 3D rendering, it is the best smartphone for personal information protection. OS provides the user an option to use the software himself. The main feature of Purism Librem is three kill switches on hardware that can be used to turn on & off the sensors. These switches are at cellular baseband, wifi & Bluetooth and can be found on the camera & microphone.

Purism Librem 5 is best for users who are security conscious in personal use. They can design and implement their own default security authentication method. Privacy protection and a hacker detector have been installed on the phone. The smartphone allows users to see how their information flows in a system. Purism Librem 5 also prevents the applications from running in the background for data visibility.

The operating system in purism Librem 5 is separate from applications. The Firefox default browser produces enhanced user experiences as there is no access to the play store but access to messages, cameras, calls, etc. The key feature of Purism Librem 5 is the extra security layer which detects any vulnerability in its software. Overall the Android phone is a unique combination of openness and privacy.

Blackberry Key 2

If you want a smartphone that protects your information with quality security features and a physical keyboard, then the BlackBerry Key 2 is the best choice. Blackberry Key 2 combines all the best features in the Blackberry lineup. It gives you disk encryption to protect sensitive information from malware attacks.

The special lock application provides security for unauthorized data usage in mobile phones. It is the best smartphone for you if you are accustomed to physical keyboards. The keyboard on it works for shortcuts and for larger programmable keys too. This feature has reduced the risk of keyboard hacking. Long-lasting battery life is a tool that can be used to attract customers.

In addition, the mobile phone also includes the DTEK app, which configures the security settings regularly. Security structure is continuously updating in Blackberry Key 2. Based on these recommendations, users can enhance the usage of mobile phones.

Overall, the Android Blackberry privacy and security settings are best with a physical keyboard and locker application. Still, this mobile might need to be fixed if you want a good camera with these features.

Samsung Galaxy S23 Ultra

Samsung, a globally renowned brand in the smartphone industry, consistently delivers high-quality and secure devices to its esteemed customers year after year. Samsung's R&D also spends a lot of money on the security features inside their software and hardware. Samsung has announced a feature named "Samsung Message Guard" in S23 which detects any malicious attack carried out by hackers in the form of images and encrypted codes.

The main thing is that the user requires no input; it will detect itself and neutralize the attack. Banking apps, notes, gallery images, contacts, and messages are now safer and shielded. The Samsung Galaxy S23 comes with Samsung Knox, a top-notch security platform that keeps your device and data safe.

Knox Guard provides an effective way to protect and control access to lost or stolen devices, ensuring the security of your data. With Qualcomm SM8550-AC Snapdragon 8 Gen 2 processor, S23 provides its users high performance in a much more secure and technically advanced environment where they can interact and do their daily life chores without fear of privacy breaches and cyberattacks.

Overall, Samsung Galaxy S23 Ultra is for the person who is looking for extra security against hardware-based hacking.

Silent Circle Blackphone 2

Silent Circle smartphone is one of the most secure phones that anyone can use because of their forged security, they compromised on features and overall looks, but they didn't give a narrow margin in terms of security. They are concerned for their user's privacy, and they aren't going to compromise a bit on it. Silent Circle Blackphone 2 is for you if you are looking for forged security.

The Blackphone 2 now has a new Spaces feature that lets you create secure areas, similar to setting up a user profile on a computer. You can customize each space's apps, settings, networks, and lock-screen passcodes according to your preferences. This will cut your phone from other data in pone if your device is under some malicious attack.

Another best security feature is the built-in voice call, video call, and messaging that is end-to-end encrypted, allowing the user to feel highly secure and respect privacy. It automatically detects those apps which can ask permission to access the device in the future.

Additionally, its memory is also encrypted. If hackers somehow enter that device, they will need a passcode or a password to access that data. Overall, the Silent Circle Blackphone is best for users who want in-depth control of applications.

Solarin From Sirin Labs

Solarin phones are made in Israel and powered by Qualcomm Snapdragon 810 processor, and they are one of the most expensive mobile phones available in the market. It is their security features that make them that much more expensive. It comes with 256-bit AES encryption, which is used by military forces around the globe to secure their communications.

It has mobile threat protection from the Zimperium that offers continuous protection from network-based and physical attacks. It also allows sending encrypted emails requiring a passcode at the time of sending and at the time of receiving from the other side. The best thing about this phone is that users can switch the shield mode on and off with the help of a physical button at the backside of the phone which also allows them to shut down all unnecessary operations.

This phone is best for people highly concerned about privacy, working in undercover agencies, or some sensitive nature jobs. In a world full of cyberattacks and malicious content, solarins are offering one of the best security features but for a very hefty amount.

Fairphone 3+

Fairphone 3+ is made with the intention of social good and manufactured by a Dutch company to leave no carbon footprint. If you are looking for a sustainable smartphone, the Fairphone 3+ is the right choice. The company says Fairphone is easily repairable and customizable for users. This is an impressive feature for design-conscious users.

One of the features of Fairphone 3+ includes 3040mAh of battery life powered by Qualcomm Snapdragon 632. It has 4 GB Ram, which helps the users with smooth data storage. Fairphone 3+ provides an enhanced user experience with a clean version of Android 10. There are no installed apps that protect the privacy of users. The exchange option of hardware provides ease of software mods and installation of another operating system.

The camera-conscious users can have a fantastic experience with a full HD display of 5.6 inches producing clear and vibrant images. Overall, the Fairphone 3+ is the top choice for individuals prioritizing long-lasting, sustainable, repairable, and ethically high-value phones. Its clean version is also ensuring privacy. Lastly, the fast Android features make it the best smooth-running phone.

Blackphone Privy 3.0

Blackphone Privy 3.0 is our last phone in the top 10 most secured phones list. It has been chosen because of its amazing features and privacy settings. Blackphone Privy 3.0 works on a modified version of Android OS, providing end-to-end encrypted calls and messages. This phone works on silent circle's silent phone application.

This feature provides the smooth running of private calls and messages. If you are a small business owner and need a phone for private business calls, then Blackphone Privy 3.0 is best for you. Along with silent communication, it also gives untraceable hardware with an unhackable operating system. It also prevents cybercrime activity in vulnerable businesses.

Blackphone Privy 3.0 is a wiretap-secure Android device that detects suspicious activity. It includes incredible specifications like duress passwords, incognito windows, an emergency center, and multi-roaming unlimited data sim. Overall if you want uncompromised business or personal communication at an affordable price, then go ahead. Black Privy is for you.


Securing your Android device is essential to protect your data and privacy. By following the tips I mentioned at the start of the blog, you can help ensure that your Android device is secure from security threats. Remember that even after buying the most secure Android phone, you must keep your device up-to-date, use a strong lock screen, install anti-malware software, use strong passwords and two-factor authentication, and be cautious of apps and links.

Haseeb Awan
CEO, Efani Secure Mobile

I founded Efani after being Sim Swapped 4 times. I am an experienced CEO with a demonstrated history of working in the crypto and cybersecurity industry. I provide Secure Mobile Service for influential people to protect them against SIM Swaps, eavesdropping, location tracking, and other mobile security threats. I've been covered in New York Times, The Wall Street Journal, Mashable, Hulu, Nasdaq, Netflix, Techcrunch, Coindesk, etc. Contact me at 855-55-EFANI or for a confidential assessment to see if we're the right fit!

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