How to Update Software on Your Phone: Step-by-Step Guide for iPhone and Android

Updating your phone’s software keeps it secure, fast, and working properly. Most updates fix bugs, patch security holes, and add new features. You should update whenever a new version comes out.

Here’s the quick answer: Go to Settings > System (or General) > Software Update, and tap Download or Install. Your phone will restart and apply the update.

This guide shows you exactly how to update software on your phone, whether you use iPhone or Android. You’ll learn why updates matter, how to troubleshoot problems, and what to do before updating.

Why You Need to Update Your Phone Software

Software updates aren’t optional. They protect your phone and personal data.

Security patches fix vulnerabilities that hackers exploit. According to Google’s Android Security Report, most malware targets outdated systems.

Performance improvements make your phone faster and more stable. Updates fix crashes, improve battery life, and speed up apps.

New features give you better tools. Recent updates added better privacy controls, improved cameras, and smarter AI features.

App compatibility depends on current software. Old operating systems can’t run newer apps.

How to Update Software on iPhone

Apple makes updates simple and consistent across all iPhone models.

Check for iOS Updates

1. Open Settings
2. Tap General
3. Tap Software Update
4. Wait while your iPhone checks for updates

If an update is available, you’ll see the version number and download size.

Install the iOS Update

1. Tap Download and Install (or just Install if already downloaded)
2. Enter your passcode if prompted
3. Tap Agree to the terms and conditions
4. Your iPhone will download the update (if needed)
5. Tap Install Now or schedule it for tonight
6. Your phone will restart and install the update

The process takes 10-30 minutes depending on the update size and your phone model.

Set Up Automatic iOS Updates

You can let your iPhone update itself overnight.

1. Go to Settings > General > Software Update
2. Tap Automatic Updates
3. Turn on Download iOS Updates
4. Turn on Install iOS Updates

Your iPhone will download updates on WiFi and install them while you sleep (when charging and connected to WiFi).

How to Update Software on Android Phones

Android updates vary by manufacturer, but the core process stays similar.

Check for Android Updates

1. Open Settings
2. Scroll to System (or About Phone on some devices)
3. Tap System Update (or Software Update)
4. Tap Check for Updates

Your phone will search for available updates.

Install Android Updates

1. When an update appears, tap Download or Download and Install
2. Wait for the download to complete
3. Tap Install or Restart and Install
4. Your phone will reboot and apply the update

Android updates can take 15-45 minutes. Your phone might restart multiple times.

Enable Automatic Android Updates

Most Android phones can update automatically.

1. Go to Settings > System > System Update
2. Tap the three-dot menu (top right)
3. Select Update Settings or Auto-download over WiFi
4. Enable automatic updates

Samsung phones: Go to Settings > Software Update > Auto download over WiFi.

Google Pixel phones: Go to Settings > System > System Update > gear icon > Automatic system updates.

Different Types of Phone Updates

Not all updates are the same. Understanding the types helps you prioritize.

Update Type	What It Does	How Often	Priority
Major OS Update	New version (iOS 18, Android 15)	Yearly	High
Security Patch	Fixes security vulnerabilities	Monthly	Critical
Minor Update	Bug fixes and small improvements	Variable	Medium
Carrier Update	Network and calling improvements	As needed	Medium
App Updates	Individual app improvements	Continuous	Low

Security patches should be installed immediately. They protect against active threats.

Major OS updates bring significant changes. Read reviews first to check for issues.

Minor updates are safe and usually improve stability.

What to Do Before Updating Your Phone

Preparation prevents problems and data loss.

Back Up Your Phone

Always back up before major updates.

iPhone backup:

• Go to Settings > [Your Name] > iCloud > iCloud Backup
• Tap Back Up Now
• Or connect to a computer and use iTunes/Finder

Android backup:

• Go to Settings > System > Backup
• Enable Back up to Google Drive
• Or use your manufacturer’s backup tool (Samsung Smart Switch, OnePlus Switch)

Check Your Storage Space

Updates need free space to install.

• iPhone: Settings > General > iPhone Storage
• Android: Settings > Storage

You typically need 3-5 GB free for major updates. Delete old photos, videos, or apps if needed.

Connect to WiFi and Power

Updates download large files. Use WiFi to avoid data charges.

Plug in your charger. Most phones won’t install updates below 50% battery, but charging ensures completion.

Note Your Passwords

You might need your Apple ID, Google account, or phone password after updating. Write them down or ensure you remember them.

Troubleshooting Update Problems

Updates sometimes fail. Here’s how to fix common issues.

Update Won’t Download

Check your internet connection: Switch between WiFi networks or try mobile data for small updates.

Free up storage space: Delete unnecessary files, apps, or photos.

Restart your phone: Power off completely, wait 30 seconds, then turn back on.

Check Apple/Google server status: Servers sometimes go down. Apple’s system status: apple.com/support/systemstatus. Google’s status is less formal but check tech news sites.

Update Gets Stuck

If your update freezes during installation:

Wait it out: Updates can pause at certain percentages for 10-20 minutes. Be patient.

Force restart: If stuck for over an hour:

• iPhone 8 or newer: Press volume up, press volume down, hold side button until Apple logo appears
• iPhone 7: Hold volume down + side button
• Android: Hold power button for 10-30 seconds

Use recovery mode: If the phone won’t boot:

• iPhone: Connect to computer, force restart, choose Update in recovery mode
• Android: Search “[your phone model] recovery mode” for specific instructions

Update Fails or Shows Error

Retry the download: Delete the partial download and start over.

Check for enough space: Updates sometimes need more room than stated.

Contact support: Apple Support or your phone manufacturer can help with persistent errors.

Phone Runs Slow After Updating

New updates sometimes cause temporary slowness.

Restart your phone: A simple reboot often fixes new update issues.

Wait 24-48 hours: Your phone reindexes data after major updates. Performance improves after this process completes.

Reset settings: iPhone: Settings > General > Transfer or Reset iPhone > Reset > Reset All Settings. Android: Settings > System > Reset Options > Reset WiFi, Mobile & Bluetooth.

Factory reset (last resort): Back up first, then reset to factory settings. This solves most software problems but erases everything.

How Often Should You Update Your Phone?

Update frequency depends on the update type.

Security updates: Install immediately, always. These protect against active threats.

Major OS updates: Install within 1-2 weeks. Wait a few days to let early adopters find bugs, then update.

Minor updates: Install within a week. These fix bugs and improve stability.

Check weekly: Make it a habit to check for updates every Monday or Friday.

Most Android phones receive updates for 3-4 years (Samsung and Google Pixel now offer 7 years). iPhones typically get updates for 5-6 years. After support ends, consider upgrading your phone for security reasons.

Updates by Phone Brand

Different manufacturers handle updates differently.

iPhone Updates

All iPhones get updates simultaneously. Apple supports devices for about 6 years.

Recent models (iPhone XS and newer) receive all current updates. Older models get security patches even after major updates stop.

Samsung Android Updates

Samsung provides updates through Settings > Software Update.

Flagship Galaxy phones get 4 years of OS updates and 5 years of security patches. Budget models get 2-3 years.

Samsung releases updates 2-4 weeks after Google announces them.

Google Pixel Updates

Pixel phones get updates first since Google makes Android.

Updates arrive on the first Monday of each month. Pixel 8 and newer get 7 years of updates.

Other Android Brands

• OnePlus: 4 years for flagships, monthly security updates
• Motorola: 2-3 years for most models
• Xiaomi: 3 years for flagships, MIUI skin adds features
• LG: No longer making phones, limited update support for existing models

Check your manufacturer’s website for your specific model’s update timeline.

Understanding Update Notifications

Your phone warns you about available updates.

iPhone notifications:

• Badge on Settings app
• Lock screen notification
• Automatic prompt if auto-updates enabled

Android notifications:

• Status bar icon (usually download arrow or exclamation mark)
• Notification shade message
• Settings app badge

You can safely dismiss these notifications, but don’t ignore security updates for more than a few days.

What Happens During an Update

Understanding the process helps you know what’s normal.

Download phase: The update file downloads in the background. You can still use your phone.

Preparing phase: Your phone verifies the file and prepares to install. This takes 5-10 minutes.

Installation phase: Your phone restarts and applies the update. You can’t use it during this phase. The Apple logo (or Android boot animation) appears with a progress bar.

Optimization phase: After rebooting, your phone optimizes apps and system files. This happens in the background and can take several hours, during which battery life may seem worse.

Your phone is most vulnerable during installation. Don’t interrupt the process or let the battery die.

Security Updates vs. Feature Updates

Know the difference to prioritize correctly.

Security updates (patches):

• Fix vulnerabilities
• Usually small (50-200 MB)
• Released monthly
• Critical to install
• Rarely cause problems

Feature updates (major versions):

• Add new capabilities
• Large (2-5 GB)
• Released annually
• Can wait a week
• Occasionally have bugs

According to CISA (Cybersecurity & Infrastructure Security Agency), unpatched devices are the top target for cyber attacks. Security updates aren’t optional.

Updating Over Mobile Data vs. WiFi

Most updates require WiFi, but you have options.

WiFi updates:

• Free (no data charges)
• Faster on good connections
• Required for updates over 200 MB

Mobile data updates:

• Uses your data plan
• Necessary in emergencies
• Sometimes blocked by carriers or phone settings

To allow mobile data updates:

• iPhone: Settings > General > Software Update > Automatic Updates > Download iOS Updates – toggle on Allow on Cellular
• Android: Settings > Network & Internet > Data Usage > Allow system updates on mobile data (varies by model)

Only use mobile data for critical security patches if you have unlimited data or a large data plan.

Can I Skip an Update?

Technically yes, but you shouldn’t skip security updates.

Skipping security patches: Dangerous. Leaves your phone vulnerable to known exploits.

Skipping major updates: Acceptable temporarily. Wait a week to see if others report problems, then update.

Skipping forever: Bad idea. Apps eventually require newer OS versions. You’ll lose functionality and security.

You can’t permanently skip updates. Eventually, apps won’t work and your data becomes vulnerable.

Downgrading After an Update

You generally can’t go back to older versions.

iPhone: Apple stops signing older iOS versions within 2 weeks. After that, downgrading is impossible.

Android: Some manufacturers allow downgrades through desktop software, but it’s complicated and usually voids warranty.

Why you can’t downgrade: Old versions have security holes. Allowing downgrades would let hackers exploit them.

If an update causes problems, wait for the next patch update (usually within 2-3 weeks). Or factory reset your phone, which often fixes post-update issues.

Updating When You Have Limited Storage

Updates need space, but you have options.

Temporary solutions:

1. Delete cached data: Settings > Storage > Cached Data (Android)
2. Remove offline content (downloaded Netflix shows, Spotify playlists)
3. Move photos to computer temporarily
4. Delete and reinstall large apps after updating

iPhone storage trick: Try renting a large movie from iTunes. When it says “not enough storage,” it triggers automatic cleanup. Then cancel the rental.

Long-term solutions:

• Use cloud storage (iCloud, Google Photos)
• Get an external drive for photos
• Upgrade to a phone with more storage

Beta Updates and Developer Previews

Tech enthusiasts can test early versions.

What are beta updates? Pre-release versions of iOS/Android for testing. They contain bugs and incomplete features.

Should you install beta updates? Not on your main phone. Beta software can crash, drain battery, or break apps.

Who should use beta updates? Developers testing apps, or tech enthusiasts with backup phones.

How to join beta programs:

• iPhone: Apple Beta Software Program
• Android: Settings > System > System Update > Beta Program (Pixel phones)

You can leave beta programs, but you might need to factory reset to return to stable releases.

Conclusion

Updating your phone software is essential for security, performance, and functionality. The process is simple: go to Settings, find Software Update, and install available updates.

Key takeaways:

• Install security updates immediately
• Back up before major updates
• Connect to WiFi and power
• Most updates complete in 15-30 minutes
• Don’t skip updates for more than a week

Set up automatic updates if you want hands-off maintenance. Your phone will stay current without your involvement.

Check for updates weekly. Make it a routine, like charging your phone overnight. Your device will run better, last longer, and stay secure.

Frequently Asked Questions

How long does a phone software update take?

Most updates take 15-30 minutes from start to finish. Major OS updates (like iOS 18 or Android 15) can take 30-45 minutes. The download time depends on your internet speed, while installation usually takes 10-20 minutes. Your phone will restart during installation and then optimize apps in the background for several hours.

Will I lose my data if I update my phone?

No, updates don’t delete your data under normal circumstances. Your apps, photos, messages, and settings remain intact. However, always back up before major updates as a safety precaution. Rare software glitches or interrupted updates can cause data loss, so backups are essential insurance.

Why won’t my phone update?

Common reasons include insufficient storage space, poor internet connection, low battery, or server issues. Check that you have at least 3-5 GB free storage, connect to stable WiFi, plug in your charger, and restart your phone. If problems persist, delete the partial download and try again, or contact your phone manufacturer’s support.

Can I use my phone while it’s updating?

Yes, during the download phase. Once installation begins, your phone becomes unusable until it restarts and completes the update. The download can happen in the background while you use your phone normally, but the installation requires exclusive system access and takes 10-20 minutes.

How do I know if my phone is up to date?

Check Settings > System > Software Update (Android) or Settings > General > Software Update (iPhone). If you see “Your software is up to date” or similar message, you have the latest version. The screen will also show your current version number (like iOS 17.4 or Android 14). Check weekly to stay current.