Security

We’re looking at why the “Security Can’t Use the Network” error appears on Xiaomi Redmi smartphones and how to fix it: step-by-step instructions, causes of failure, and prevention tips.

We understand what is an authorized Xiaomi account, how to create it, link it to the device and why key functions do not work without it.

Step by step instructions for detecting and removing spyware on Xiaomi Android smartphones. Effective ways to protect against wiretapping through microphone, camera and applications.

Step by step instructions for removing spam, advertising and malicious notifications on Xiaomi smartphones (Redmi, POCO). Disable system mailings, clean cache and block intrusive applications.

Step by step guide to removing annoying security notifications on Xiaomi, Redmi and POCO smartphones. Let’s take a look at all the methods: from MIUI settings to ADB commands.

The step-by-step guide to block spam calls on Redmi smartphones through built-in MIUI, app and operator features, works on all models from 2020 to 2026.

Learn how to completely clean Xiaomi of viruses: from manual check to reset to factory settings. Working methods for all models: Redmi, POCO, Mi.

How to check IMEI on Redmi Note 9 Pro through settings, code, packaging or program? Step-by-step instructions with photo and fraud warnings.

Step by step instructions for adding a number to the blacklist on Xiaomi Redmi smartphones (MIUI 12-14). Methods through settings, the Phone app and third-party utilities. Works on Redmi Note 10/11/12, POCO, Mi 11, etc.

Detailed guide to logging out of a Google account on Xiaomi Redmi Note 9: through settings, after reset, with internet down. Error Solving and security tips.

Step by step instructions for blocking contacts on Xiaomi Redmi smartphones: through the phone book, messages, MIUI and third-party applications. Unlock and FAQ.

Learn how to remotely lock a lost Xiaomi smartphone through Mi Account, Google Find My Device or operator. step-by-step instructions, security tips and answers to frequent questions.

Step by step instructions for blocking spam calls on Xiaomi smartphones (MIUI 14/15) Set up a blacklist, filtering and third-party apps to protect against scammers.

Step by step instructions for blocking calls from unfamiliar numbers on Xiaomi smartphones (Redmi, POCO, Black Shark).

Learn how to lock numbers starting with specific numbers on Xiaomi smartphones (Redmi, POCO).

Learn how to remotely block a stolen or lost Xiaomi phone through Mi Account, Find Device, and other ways.

Step by step, instructions for blocking hidden numbers on Xiaomi smartphones: from standard settings to third-party apps. Works on MIUI 12-15 and Android 11-14.

Step by step, you can block SMS and MIUI notifications on Redmi 12. From spam filter to blacklist, all methods with pictures and tips.

Lost Xiaomi smartphone? Learn how to remotely lock your device through Mi Account, Google Find My Device and telecom operator. Step-by-step instructions with pictures and data protection tips.

Lost a Xiaomi phone? learn how to lock it through Mi Cloud, Google Find My Device or carrier. step-by-step instructions + security tips.

Step by step instructions for blocking spam calls on Redmi smartphones (MIUI 12-14) Set up a blacklist, operator filters and third-party applications with a comparative method table.

Can't log into your Mi Account on Xiaomi? Learn all the ways to log in via phone, PC or browser, and how to restore access if you forgot your password.

Step by step instructions on how to blacklist a number on Xiaomi smartphones (Redmi, POCO). Ways for MIUI 12/13/14, blocking SMS and calls, restoring the list.

Step by step, password-blocking instructions on Redmi 9: from built-in MIUI to third-party apps. Protect your personal data in 5 minutes!

We understand what emergency alerts are on Xiaomi smartphones, how to turn them on/off and why they are important for security.

Step by step, how to find a lost Xiaomi smartphone: from built-in features to third-party services. Learn how to track the device, lock data and increase the chances of a return.

Have you seen any annoying ads on Xiaomi?Learn how to completely remove the ad virus, disable embedded ads and protect your phone from re-infection.Working methods for MIUI 12/13/14.

We understand what is a certificate of the CC in Xiaomi smartphones, why there are errors and how to fix them.

Step by step: how to track a stolen Xiaomi through IMEI, Google Find My Device and Mi Cloud.

Learn how to quickly lock a Xiaomi smartphone when you steal: through Mi Account, Google Find My Device and operator.