How to completely clean Viber on Xiaomi phone: from cache to chats

Viber messenger on Xiaomi smartphones (Redmi, POCO, Mi series) over time takes up gigabytes of memory - cache, media files, backups and unnecessary chats accumulate imperceptibly. If your Xiaomi began to slow down, and Viber storage settings take up a suspiciously large amount of space, it's time to conduct a general cleaning. But how to clean the messenger correctly so as not to lose important messages or contacts?

In this article, detailed instructions for all Viber versions (including Viber 2026) and Xiaomi models (Redmi Note 10 to Xiaomi 14 Ultra) are provided.

• 🧹 Securely clean the cache without deleting the account
• 🗑️ Removal of unnecessary chats and media files (photos, videos, stickers)
• 🔄 Resetting Viber settings to factory
• 📱 Features of cleaning on MIUI 14/15 (including hidden functions)

All methods are tested on current MIUI firmware and do not require root rights. If you use Xiaomi with custom firmware (for example, Pixel Experience or LineageOS), some menu items may differ - pay attention to alternative methods in the article.

1.Seat Check: How Much Does Viber Weigh on Your Xiaomi

Before you clean it, you need to understand what exactly takes up memory. On Xiaomi, there are two ways to check the "weight" of Viber:

Method 1. Through the MIUI settings

1. Open Settings → Applications → Application Management.
2. In the search bar, enter Viber and select the application.
3. Go to the Warehouse section, where the total amount of data, including: 📁 Cash (temporary files) 💬 User data (chats, media, settings)

Method 2. Inside the Viber.

Launch the messenger, go to More (⋮) → Settings → The vault. Here you'll see a detailed report on the:

• 📸 Media files (photos, videos, gifs)
• 🎵 Audio (voice messages, music)
• 📄 Documents (PDF, Excel, Word)
• 🗃️ Backup copies (if automatic saving is enabled)

On Xiaomi smartphones with MIUI 14+, in the "Storage" section of Viber, you can display duplicate information about media files - this is a system bug. See the real amount of memory you take in Android settings (first way).

2. Clean up the Viber cache without data loss

Cache is a temporary file that speeds up the app, but inflates over time to hundreds of megabytes. On Xiaomi, it can be cleared in two ways:

Method 1. Through MIUI settings (recommended)

1. Go to Settings → Applications → Application Management → Viber → Storage.
2. Click Clear Cache (not to be confused with Clear Data!).
3. Confirm the action. The cache will be deleted, but the chats, contacts and media files will remain intact.

Method 2: Inside the Viber

In the messenger, go to Settings → Storage → Clear cache. This method is less effective, since it does not affect the system cache MIUI.

Close Viber in Multitasking|Connect your phone to charge (the process may take time) 1-2 minute)|Check the free space on the device (should be at least) 500 MB)|Backup important chats (optional)-->

⚠️ Warning: If Viber started to brake on the first run after cleaning the cache, this is normal. 5-10 minutes.

3. Delete unnecessary chats and media files

Chats and media are the main memory eaters, and on Xiaomi, they can be cleaned selectively or en masse.

How to delete individual chats:

1. Open the dialogue you want to delete.
2. Click on the name of the interlocutor (top panel) → Delete the chat.
3. Select the option: 🗑️ "Delete for me, chat will disappear only from you. 🔥 "Delete for all" - messages will be deleted from the interlocutor (only 24 hours after sending).

Mass Deletion of Media Files:

1. Go to Viber Settings → Storage → Media Management.
2. Select the file type (photos, videos, documents).
3. Mark unnecessary files and click Delete.

How to reset Viber to factory settings:

1. Open Xiaomi Settings → Applications → Viber → Storage.
2. Click Clear Data (NO Cache!).
3. Confirm the action. The app will return to "as after installation."

⚠️ Note: Some Xiaomi models (e.g. Redmi) 9A or POCO M3) After reset, Viber may request re-activation via SMS, Even if the number hasn't changed. SIM-maps of Tele2 and Iota operators.

5. Features of cleaning Viber on MIUI 14 and 15

The latest versions of the MIUI shell (14 and 15) have added additional memory management tools that affect Viber.

Deep cleaning function

MIUI can automatically clear the Viber cache in the background, but sometimes it also deletes the data it needs (e.g. unsaved draft messages) to disable this:

1. Go to Settings → Battery and Performance → Memory Management.
2. Click Settings → Deep Cleaning.
3. Find Viber in the list and turn off the option.

Optimization for the game mode

If you use Game Turbo on Xiaomi, it can block Viber notifications and restrict network access.

1. Open Settings → Special features → Game Turbo
2. Add Viber to the list of exceptions.

💡

On MIUI 15, the option “Optimize for MIUI” appeared in Viber settings – its inclusion reduces battery consumption, but can delay the delivery of messages by 2-5 minutes.

6.Alternative ways to free up memory

If cleaning Viber did not give the expected result, try these methods:

Transfer of media files to SD-map

On supported Xiaomi models (for example, Redmi Note 11 Pro+ 5G) you can transfer Viber files to the memory card:

1. Put it in. SD-phone-card.
2. Open the Viber Settings → Warehouse → Keep the media on SD-map.
3. Select a folder to save.

Using Viber Cloud Storage

The messenger allows you to save backups of chats in Google Drive or iCloud (for Xiaomi only Google Drive is relevant):

1. Go to Settings → Account → Backup.
2. Select Google Drive and log in.
3. Click Create a backup copy.

Removal of duplicate files

On Xiaomi, Viber files are often duplicated in the DCIM/Viber folder to delete:

1. Open the Files app (or any file manager).
2. Go to the Inner Memory → DCIM → Viber.
3. Delete unnecessary copies (such as screenshots or saved photos).

7. Frequent errors when cleaning Viber on Xiaomi

Xiaomi users often face these issues after cleaning up Viber:

Error 1: "Viber can't connect to the server"

Solution: Check:

• 📶 Internet connection (switch from Wi-Fi to mobile data or vice versa).
• 📅 Date and time (Xiaomi must be automatically displayed).
• 🔒 firewall MIUI (Open the settings. → The Internet and the Internet → Firewall and add Viber to exceptions).

Mistake 2: Missing stickers or gifs

Solution: They're stored in cache and removed during cleaning, to restore:

1. Open any chat in Viber.
2. Click on the emoji → Stickers.
3. Wait for the reboot (can take up to 1 minute).

Error 3: Notices are not received

Solution: On MIUI, notifications are often blocked by the system:

1. Open Settings → Notifications → Notifications Management.
2. Find Viber and turn on all the switches.
3. In the Notification Categories section, activate Messages and Calls.

FAQ: Answers to Frequent Questions