How to update Android on your phone or tablet: complete guide, methods, problems, and solutions

Update Android on your mobile phone or tablet is essential to keep your device protected, take advantage of new features, and enjoy the best performance. From time to time, Google releases new versions and security patches for Android that fix vulnerabilities, optimize battery consumption, and improve the overall user experience. However, many users don't know exactly how to perform this process, what precautions to take, or what to do if a problem arises. This comprehensive guide will help you understand. how to update Android safely and efficiently, explaining all available methods, from the simplest to the most advanced options, as well as answering the most frequently asked questions.

Why is it important to update Android?

Updating Android on your mobile or tablet isn't just a matter of having the latest version. Updates include significant improvements in safety and performanceThese fixes correct detected bugs, strengthen defenses against malware, and optimize the device's overall performance, affecting energy efficiency, application compatibility, and the introduction of new features.

While minor updates will primarily contain small security patches, stability improvements, and bug fixes, major updates include new tools and features, a revamped interface, and significant changes to privacy and permissions management.

Preparations before updating Android: key steps

Before starting any update process, there are some fundamental aspects to take into account to avoid data loss or irreversible errorsWhile official updates typically preserve your files and settings, there is a risk of failure, especially if the installation is interrupted. Take a full backup is the most important step:

• Store your photos, videos, music and important documents on your computer, an SD card, or a cloud service like Google Drive.
• Back up your contacts, messages and settings using Google's backup tool or a dedicated backup app.
• Check the battery level Before updating, make sure you have at least 70% battery power or, preferably, your phone connected to a charger.
• Check your WiFi connection: Always update via Wi-Fi to avoid excessive mobile data usage and possible interruptions.

If recommended by the manufacturer, remove the microSD card during the update, especially on older devices, to avoid file corruption.

Related article:

How to update Android on your tablet: a complete guide to keeping your device up to date

Android versions: a brief evolution

Android has evolved from its initial versions to the current releases, each incorporating improvements, new features, and improved security. From Android 1.1 Petit Four, through Cupcake, Donut, Eclair, Froyo, Gingerbread, Ice Cream Sandwich, Jelly Bean, KitKat, Lollipop y marshmallow, to the latest ones like Nougat, Oreo, Pie, Android 10, 11, 12, 13, 14 and the latest Android 15 and 16 on compatible devices.

Update support depends on the manufacturer and specific model of your device. Some models receive updates quickly and for several years (especially Google's Pixel range and certain Samsung models), while others may lose support sooner.

How to update Android on your mobile phone or tablet

There are three main methods To update Android: the official OTA (Over The Air) method, the official method using a computer, and the unofficial method using custom ROMs. We explain each of them in detail:

Update Android officially via OTA (Over The Air)

1. You will receive an update notification in the status bar or notification area when a new version is available for your device.
2. You can accept the immediate download, or manually access Settings > System > Software update and check if there are any updates available.
3. During the process, your device will download the necessary files and, when finished, it will reboot to complete the installation.

Note: The design and names of the menus may vary depending on the manufacturer. It is common for a Samsung to be Settings> Software update, while on a Pixel you can find it in System > System Update.

Some manufacturers include specific options to update security components and independent patches from the menu. Security and privacy.

Update Android from your computer (PC or Mac)

Some brands, such as Samsung, offer specific software (e.g., Samsung Kies or Smart Switch) that allows you to update your device by connecting your phone or tablet to your computer via USB. This method is especially useful if the update doesn't appear over-the-air (OTA) or if you prefer a more stable connection during the update process. The general steps are:

1. Download and install the appropriate software on your PC/Mac (Smart Switch for Samsung, HiSuite for Huawei, etc.).
2. Connect your mobile phone or tablet using the original USB cable.
3. The software will automatically detect your device and notify you if an update is available.
4. Accept the process and follow the on-screen instructions. Once complete, your device will reboot with the new version installed.

Unofficial Android Update: Manual ROM Installation

If your device is no longer officially supported or you want to install a different version of Android (newer or customized), you can flash a rom adapted. This option requires more knowledge and care, and is essential back up all data, as stored information will be lost. The typical process involves:

• Unlock the bootloader (according to the manufacturer's instructions).
• Download the compatible ROM from trusted forums, such as XDA-Developers or Sammobile (for Samsung).
• Install the ROM manually using specific tools such as Odin (Samsung) or Fastboot (other brands).
• Restart your device and restore your data.

This method allows you to install recent versions on older devices, access custom ROMs or exclusive features, but it involves risk of bricking if the process fails. It is recommended for advanced users.

How to manually check for available Android updates

If you haven't received an update notification but suspect one might be available, you can check manually in a few simple steps:

1. Open the Settings Of the device.
2. Scroll to System o Phone/tablet information.
3. Tap on Software update o Search for updates.
4. The system will query the manufacturer's servers and inform you if an update is ready to download and install.

Additional information usually appears on the same screen, such as: current version of Android, security update level and the build numberYou can also check for independent security and system updates for Google Play in the section Security and Privacy > System and UpdatesIf you don't find one, try restarting your device and trying again, as sometimes the update can take a while to propagate.

More information at How to know the installed Android version o How to check for updates on your Samsung Galaxy.

Updating Android on tablets: specific considerations

The procedure for updating Android on tablets is almost identical to that for mobile phones, but there may be slight differences depending on the brand and model:

• On Samsung tablets, you can use Samsung Kies or Smart Switch from the PC to facilitate the update if it does not appear via OTA.
• On some less-supported devices, automatic updates may not be enabled. In that case, you can try root the tablet to manually install a newer version, provided you have sufficient knowledge.
• Always check if the manufacturer continues to offer support for your model on their official website or with the support app.

For older or less popular devices, updates may never officially arrive, and you'll need to opt for a custom ROM if you want a more advanced version.

Common problems when updating Android and how to fix them

When updating Android, some issues may arise. It's important to be aware of them and know what to do:

• Not enough storage spaceIf you receive this warning, delete unnecessary files (photos, videos, unused apps) or use a microSD card to free up space. The system needs free memory to download and unzip the update.
• Update does not download or is interruptedIf the download stops, make sure you have a stable Wi-Fi connection and sufficient battery life. If the process doesn't complete, your device will attempt to resume the update after several days. You can also restart your phone and try again manually.
• The phone is slow or heats up after the update.It's normal for your device to use more resources during the first few hours/days after updating, optimizing apps and the system. If the problem persists, consider performing a factory reset after backing up your data.
• Unexpected errors or failuresIf serious errors occur, you can restore your system by downloading the update again via PC or reinstalling the manufacturer's official ROM. In severe cases, contact authorized technical support.
• The device is not receiving new updatesIf your model has been discontinued, you can opt for a custom ROM if you wish, considering the associated risks.

Advanced tips to keep Android updated and optimized

• Check periodically for availability of updates even if you don't receive push notifications.
• Install all security updates and patches even if they are minors.
• Do not install updates from unknown sources. Use only official manufacturer options to avoid risks.
• After updating, restart the device several times and verify that all apps are working properly. If you detect persistent problems, perform a factory reset.
• Keep your apps updated too from the Google Play Store for compatibility and security.
• Consult specialized forums If you have an older or unusual device, find reliable ROMs and tutorials tailored to your needs.

Frequently asked questions and concerns about updating Android

1. Why am I not receiving updates on my device? Update policies vary by manufacturer, carrier, and model. Some devices only receive certain versions.
2. Can older phones install modern versions of Android? This isn't always possible due to hardware and support limitations. Sometimes, advanced users resort to custom ROMs, but there's no guarantee of stability.
3. Do I void my warranty if I install a custom ROM? Yes, flashing ROMs usually voids the official warranty, except for manufacturers who explicitly allow it.
4. How long does update support last? It typically ranges from 2 to 5 years, depending on the brand, range of the device, and whether it's part of the Android One program or similar.
5. What do I do if I have serious problems after updating my phone? Back up your data and perform a factory reset. If the problem persists, contact the manufacturer's technical support.

General steps to update Android step by step

1. Open the application Settings On your phone or tablet.
2. Go to System (or directly to Phone/tablet information on some devices).
3. Choose Software update or the equivalent option.
4. Press on Search for updates o Download and install if there is any available.
5. Follow the on-screen instructions. The process may take several minutes, and your device will restart automatically.

In case you are using PC software (such as Samsung Smart Switch), the steps would be:

1. Download the program from the manufacturer's official website and install it on your computer.
2. Connect your device via USB using the original cable.
3. Wait for the software to recognize it and notify you if updates are available.
4. Accept and follow the guided steps until the update is complete.

Updating your Android device is the best way to protect your data and maintain maximum functionality and compatibility. Whether you use the automatic route or opt for manual methods, always follow security recommendations and make backups before making any major changes. If you have questions about whether your phone or tablet will receive the latest version of Android, consult each manufacturer's resources or ask in specialized forums.