Constant notifications about lack of space and slowdown of the smartphone signal that Android's internal storage is full, which quickly becomes clogged with browser caches, media files from messengers and voluminous system updates, affecting both budget devices and flagships of previous years.
Freeing up space is not just about deleting a couple of old applications. This is a complex process that requires an understanding of how the file system interacts with user data. Incorrect actions can lead to the loss of important information or even malfunction of the operating system. In this article, we will look at safe and effective cleaning methods that will help restore your device to its former speed.
Analyzing used space and searching for hidden files
Before deleting anything, you need to understand what exactly is taking up space on your disk. Standard tools Android often do not show the full picture, hiding large folders with caches or duplicate media files. Using third-party utilities for analyzing disk space, such as DiskUsage or Files by Google, allows you to visualize the data storage structure in the form of a visual map.
Pay attention to the folder Android/obb i Android/data. This is where heavy game files and additional application resources are stored. Sometimes after deleting a game, these folders remain untouched, continuing to take up gigabytes. Manually checking these directories can often free up 2 to 5 GB of space in a matter of minutes without losing personal data.
System logs and error reports can also grow to obscene sizes if the phone is malfunctioning. They are usually hidden from the average user, but take up space in the System filessection. Clearing this temporary data is safe because it is only regenerated when new errors occur.
Use the "Storage Analysis" feature in your phone settings before deleting files to pinpoint the biggest memory hogs.
Clearing application cache and system cache garbage
Cache is temporary data that applications save to speed up their work. Over time, this cache can become huge, especially for social networks and video services. For example, Telegram or TikTok can take up to 10 GB of space only due to watched videos and pictures that are saved in the device memory.
To clear the cache of a specific application, go to Settings → Applications → [Select an application] → Storage. There you will see a "Clear cache" button. It is important not to confuse this with the “Clear data” button, since the latter will delete your authorization and settings within the app. Regular cache clearing is the safest way to free up space.
- 🗑️ Clearing the Chrome or Yandex browser cache removes temporary site files, speeding up page loading.
- 📱 Map applications (Google Maps, Yandex.Maps) store offline maps that can be deleted if you are not planning trips.
- 🎥 Streaming services (Netflix, YouTube) cache previews and parts of videos that can be safely erased.
There is also a system section Other or Other, the scope of which is often unclear to the user. Remnants of deleted apps, temporary update files and logs may accumulate there. Clearing this partition often requires rebooting the device or using Recovery Mode, where you can run the command wipe cache partition.
Managing your media library and cloud services
Photos and videos are the main consumers of free space on a modern smartphone. The cameras shoot in high-definition 4K, and one minute of such recording can weigh hundreds of megabytes. Transferring media files to cloud storage or to a computer is the most effective way to free up gigabytes of space instantly.
The Service Google Photos offers the "Free up space" function, which automatically deletes from the device those pictures and videos that have already been securely stored in the cloud. It's the perfect balance between data security and free memory. Similar functions are available in Yandex.Disk and other popular cloud services.
| File type | Average size (1 min/piece) | Recommended action |
|---|---|---|
| Photo (HDR/RAW) | 5–25 MB | Convert to JPEG or transfer to the cloud |
| Video (1080p) | 100–150 MB | Compression or deleting duplicates |
| Video (4K) | 350–500 MB | Mandatory transfer to PC/Cloud |
| Screenshots | 2–5 MB | Bulk deletion of old |
Don't forget about the folder Downloads (Downloads). Users often download APK installation files, documents and archives, forgetting about them forever. These files are not needed for the system to function and must be mercilessly deleted after use.
☑️ Preparing to clean media
Optimization of messengers: Telegram and WhatsApp
Messengers have turned into full-fledged media harvesters that by default save everything you view. B WhatsApp i Viber this function is often turned on by default, clogging the memory with unnecessary postcards and videos from chats. Setting up automatic cleaning within the applications themselves solves this problem radically.
In the settings Data and storage you can set a limit on the cache size or configure automatic deletion of media files older than a certain period. For example, Telegram has a built-in tool that allows you to delete the cache, but leave all downloaded files available for download from the chat cloud if necessary.
⚠️ Warning: Before clearing your messenger data, make sure you have access to the phone number and a backup copy of your chats if they are important. Deleting application data may erase your chat history if it is not synchronized with the server.
It is also worth checking your voice message folders. Sometimes users accumulate thousands of audio messages, which weigh a lot. They can be deleted selectively by going to the storage management for a specific chat. This is especially true for workgroups where the exchange of information is very active.
How to find the heaviest chats in Telegram?
Go to Settings → Data and memory → Memory usage. There will be a list of chats sorted by the amount of space they occupy. You can clear the cache of each of them separately.
Deleting and freezing system applications
Smartphone manufacturers often install many pre-installed apps that cannot be removed in the usual way. This software, known as bloatware, takes up space and sometimes runs in the background. To combat them, more advanced methods are required, such as using ADB (Android Debug Bridge) or obtaining root access.
A safe way to disable such applications is through the menu Settings → Applications. Select the app you don't need and click "Disable". This will hide the application and stop its processes, although the files will remain on the system. To completely remove it through your computer, you will need to run the command in the terminal.
adb shell pm uninstall -k --user 0 application package nameThis command removes the application for the current user without affecting the system partition, which is safe and reversible. However, be extremely careful: removing critical system components (for example, the Google Play service or the system launcher) may cause the phone to stop booting.
⚠️ Attention: The settings interface and menu item names may differ depending on the version of Android and the manufacturer's shell (MIUI, OneUI, ColorOS). Always check the official documentation for your model before disabling system services.
Disabling applications through settings is a safe alternative to uninstalling, which stops them from running and frees up RAM, even if only a small amount of disk space is freed.
Dramatic measures: Reset to factory settings
If none of the The listed methods did not help, and the memory is filling up mysteriously, perhaps critical errors or fragmentation have accumulated in the file system. In this case, the only correct solution is to completely reset the device to factory settings (Hard Reset). This will return the phone to its "out of the box" state.
Before performing this procedure, you must create a complete backup of all important data: contacts, photos, documents and notes. The reset process is irreversible and will delete absolutely everything from the internal memory, including accounts and Wi-Fi settings.
- 🔄 Resetting eliminates software glitches that cause memory leaks.
- 🧹 Completely removes all accumulated digital garbage over the years of use.
- ⚡ The phone starts working faster, like on the first day of purchase.
To reset, go to Settings → System → Reset settings → Delete all data. The device will reboot and begin the cleaning process, which may take from 10 to 30 minutes depending on the amount of storage and processor speed.
After the reset, do not restore all applications at once from the backup. Install only the essentials manually - this will prevent the memory from quickly becoming clogged with unnecessary software again.
Why does the memory fill up on its own after cleaning?
This may be due to the operation of background services that cache data for quick loading, or to an error in a specific application that creates cyclic logs. It is also possible that synchronization of high-quality media files is enabled, which needs to be limited in the settings.
Is it safe to use cleaner applications from the Play Market?
Most popular cleaners are safe, but often contain a lot of advertising and consume resources themselves. Built-in Android tools (for example, Files by Google) work more efficiently and do not require the installation of additional software that can slow down the system.
Is it possible to transfer all applications to an SD card?
In modern versions of Android (starting from 6.0 and higher), support for moving applications to a memory card is limited by developers. Many popular applications (banks, instant messengers) fundamentally do not support installation on external media for reasons of security and speed.
What is the "Other" section in the storage?
The "Other" section usually contains the application cache, system files, firmware data, temporary files and the remains of deleted apps. Its size can fluctuate, and regularly clearing the cache helps reduce the size of this partition.
Will formatting the SD card as internal memory help?
The "Adoptable Storage" function allows you to use the card as part of the internal memory, but this requires a very fast card (U3/A2 class). Slow cards will lead to severe system slowdowns. In addition, after formatting, the card will not be readable on other devices without reformatting.