Notice your phone slowing down? Here's how to fix it

Devices
July 3, 2025
  •  
By 
Faw

Ever feel like your phone’s suddenly moving in slow motion? From delayed taps to apps that take forever to open, a sluggish smartphone can turn everyday tasks into a test of patience. If your device isn’t keeping up like it used to, don’t worry — it happens to the best of phones. Let’s look at what’s really slowing things down, and what you can do to speed things back up.

1) Outdated software

One of the leading culprits of sluggish performance is outdated software. Operating system updates often come with performance improvements, security patches, and bug fixes. Skipping these updates can leave your phone running inefficiently. Always ensure your phone's OS and apps are up to date.

2) Too many apps running

Running multiple apps simultaneously drains your phone's resources. Even when not in use, apps can operate in the background, consuming RAM and battery. Consider closing unused apps regularly and limiting background activity in your settings.

3) Storage is almost full

Smartphones need a bit of free space to operate efficiently. When your internal storage is nearly full, your phone may struggle to manage temporary files and app data. Deleting old photos, videos, and unused apps can help speed things up.

4) Battery health is declining

An ageing battery doesn’t just impact how long your phone lasts; it can also affect overall performance. On some devices, software may deliberately reduce performance to preserve battery life. Check your battery health and consider a replacement if it’s deteriorating.

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5) Malware or buggy apps

Apps from unverified sources or apps can cause serious slowdowns. Malware can run background processes that hog resources. Stick to downloading apps from trusted sources and uninstall anything suspicious.

6) Too many cached files

Cached data helps apps run faster, but over time, it can accumulate and take up significant space. Clearing your cache regularly can free up storage and improve performance.

7) Your phone is just old

Sometimes, the slowdown is simply due to age. Hardware components wear out, and newer apps demand more processing power. If your phone is a few years old, it may be time to consider an upgrade.


A slow phone doesn’t always mean it’s time for a new one — sometimes, a little maintenance is all it takes to get things running smoothly again. By understanding what’s causing the lag and knowing how to fix it, you can extend your device’s life and enjoy a better mobile experience.

With CelcomDigi, you can explore the latest 5G smartphones and enjoy guaranteed savings on your next smartphone. Plus, with flexible plans and ultra-fast connectivity, making the switch is smoother — and smarter — than ever.

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