How can I update my software on my phone?

How to update phone software: Essential safety tips

Properly managing how to update phone software prevents significant technical risks like system corruption. Maintaining power and connection stability ensures your device installs updates without requiring complex recovery procedures. Read the following guide to understand the essential conditions for a safe installation and protect your device from potential software failure.

How to Update Phone Software: The Essential Guide

To update your phone software, navigate to your Settings app, look for System or General, and select Software Update. You usually must connect to a Wi-Fi network and ensure your battery is at least 50 percent charged before starting the process.

Updates patch critical security vulnerabilities and introduce new features. Most people just click install when prompted. But there is one counterintuitive factor that causes installation failures - I will explain exactly what this hidden trap is in the troubleshooting section below.^[1] Many people also ignore update notifications until the phone requires action.

Step-by-Step Instructions for Android and iOS

Updating Your Android Device

Android paths vary slightly depending on your manufacturer. Open your device Settings app. Tap System, then System updates. On Samsung devices, you might need to look under About phone, then Software update. Tap Check for updates.

If one is available, tap Download and install. Your phone will restart. It sounds easy. Usually it is. But sometimes the download just hangs at zero percent.

Many users delay installing updates for weeks or even months. Doing so can leave devices exposed to security risks and unresolved software bugs. Installing updates promptly helps protect your data and keeps the device running reliably.

Updating Your Apple iPhone

Apple makes this process pretty straightforward. Open Settings, go to General, and tap Software Update. If an update is available, tap Download and Install.

Many iPhone users run recent software versions, though adoption rates for the absolute latest version typically reach around 60-80% over several months rather than weeks. This rapid adoption keeps the ecosystem secure. Always back up your device to iCloud or your computer before starting. Seldom does an update completely wipe a phone, but it happens. ^[2]

Crucial Pre-Update Checklist

Connect to a stable Wi-Fi network to avoid burning through your cellular data. Software updates typically range from 500MB to over 3GB. ^[3] A drop in network stability can corrupt the download file. Game over. You would have to start from scratch.

Keep your battery charged. You need to keep your device sufficiently charged or plugged in during the update process. If the phone loses power during installation, the operating system can become corrupted and require recovery procedures.

Why Is My Phone Not Updating?

Here is that counterintuitive reason for update failures I mentioned earlier: background storage allocation. You might see 5GB free in your settings, which seems like enough for a 2GB file. Not quite.

Conventional wisdom says you just need enough space for the download file. But based on my experience recovering frozen phones, you actually need double the size of the update in free space. The operating system needs room for the compressed file, the unpacked files, and temporary swap space during the installation.

Deleting just a few photos will not fix this. You have to clear the system cache or offload unused apps entirely. Software updates (and this surprises many people) are incredibly space-hungry during the unpacking phase.

Comparing Update Mechanisms: iOS vs Android

Apple iOS Updates

Apple typically provides 5 to 7 years of major OS upgrades for most models ^[5]

Released to all supported devices globally at the exact same time

Downloads entirely, then locks the device during the lengthy unpacking and installation phase

Android System Updates

Newer Android flagship models now offer up to 7 years of support ^[6]

Staggered rollouts depending on the manufacturer and cell carrier

Seamless updates install in the background on a separate partition, requiring only a quick reboot

Overcoming Storage Nightmares During an OS Upgrade

Mark, a project manager in Chicago, needed his phone for critical client calls, but his device randomly restarted 15 times a day. He decided to update to the latest software version to fix the bug.

First attempt: He downloaded the 3GB update over Wi-Fi. But the installation froze at 90 percent. After forcing a restart, the phone went into a boot loop. He lost an entire morning of work trying to fix it.

The breakthrough came when he realized the issue was not the network or the battery. His 64GB phone showed 4GB free, which tricked the system into downloading the file but left no room to unpack it. He restored from a cloud backup and deleted 10GB of downloaded podcast episodes.

The update completed perfectly in 20 minutes. The random restarts stopped completely, saving him hours of daily frustration. He learned that generous free space is a hard requirement, not just a suggestion.