Repair & Hardware

We accurately determine the production date of Redmi 9 by serial number, box and system data.

Exact methods for determining the production date of Redmi Note 3 by serial number, box, firmware and hidden menus, photo and explanation instructions for all versions (Pro, Prime, MTK/Qualcomm).

Step by step: How to determine the screen type (original/copy) on Redmi Note 5 through settings, codes, tests and disassembly. IPS vs AMOLED comparison, authentication.

Step by step instructions on how to find the serial number (S/N) on Xiaomi Redmi smartphones of all models: through settings, box, battery and ADB. We understand why you need S/N and how to restore it if you lose it.

Don't switch on Xiaomi? Learn all the ways to launch: button, remote, after reset or upgrade, instructions for the Mi Box, Mi TV Stick and other models.

Broken power button on Xiaomi? Learn how to turn on your smartphone through charging, ADB, Mi Account and other methods. Step-by-step instructions with photos and videos.

Detailed guide to installing a SIM card in Xiaomi Redmi 9A: where the slot is located, how to open the tray and avoid errors. Photo + video + tips for choosing nano-SIM.

A detailed guide to installing nano-SIM and MicroSD in Redmi Note 10T with photos, tips and frequent errors.

A detailed guide to installing nano-SIM in Redmi 8: slot location, compatibility, frequent errors and tips for activating the network.

A detailed guide to installing nano-SIM and MicroSD in Xiaomi 11T with photo tray, operator tips and error analysis. Learn how to open the slot correctly and not damage contacts!

Xiaomi's screen crashed and doesn't respond to touch?Learn how to turn off your phone without a sensor: via buttons, ADB, battery or Mi Account. Step-by-step instructions + FAQ.

Xiaomi's smartphone is constantly rebooting? Learn how to properly turn it off without losing data and restore performance. Step-by-step instructions for all models (Redmi, POCO, Mi).

Xiaomi's Broken Screen? Learn how to extract photos, contacts and files from a broken phone through a PC, OTG or service center. Step-by-step instructions for Redmi, Poco, Mi 2026.

Learn how to safely remove the battery from a Xiaomi smartphone (Redmi, POCO, Mi) without damage, instructions for removable and non-removable batteries, tools and tips for disassembly.

A detailed guide to extracting a SIM card from Xiaomi smartphones of different models: tray, paper clip, tools and frequent errors. Photo + video.

A detailed guide to replacing the battery on Redmi smartphones: tools, disassembly, connectivity and testing, relevant for the 2018-2026 models.

How to change the battery on Xiaomi Redmi 4 without service: tools, disassembly, connection and testing. Step by step with photos and tips for choosing a battery.

How to change your battery to a Mi9 SE without risking damage to your phone? Disassembly, battery selection and calibration tips are a complete guide with photos and warnings.

How to replace the screen on Redmi 6 Pro: tools, disassembly, connection of the plume and testing. Step by step with photos and tips from experts.

How to replace broken glass on Xiaomi Redmi Note 4 without errors: tools, disassembly, glue, tips for calibrating the touchscreen and testing. Step by step with photos and warnings.

Detailed analysis of the Xiaomi Mi 8 Pro processor: Snapdragon 845 architecture, performance tests, comparison with competitors and tips for optimizing the smartphone.

Detailed analysis of the Snapdragon 730 processor in Xiaomi Mi 9T: architecture, performance in games and benchmarks, comparison with other Qualcomm and Mediatek chips.

Find out what processor is installed in Xiaomi Redmi 9 SE, its technical parameters, performance and comparison with competitors.

Detailed CPU analysis in the RedmiBook 5 laptop: models, specs, comparison with competitors and tips for choosing. Up-to-date information for 2026.

What is the connector for Xiaomi's RedmiBook 4? A detailed look at port type, compatible charging, connectivity features and frequent issues. A full 2026 guide.

We understand what KLO BugReport is in Xiaomi smartphones, what you need this file for, how to create and send it in support. Step-by-step instructions + tips for analyzing logs.

We understand why the letter L appears on the Xiaomi Mi Scale smart scales, what it means and how to fix the problem.

Xiaomi Redmi Go phone doesn't turn on? Find out all the causes, from a dead battery to hardware breakdowns, and step-by-step instructions for restoring work: resets, firmware, diagnostics.

We understand where the NFC antenna is located in Xiaomi smartphones, how to check its performance and why the signal may disappear.

A step-by-step guide to activating and using speaker cleanup mode on Xiaomi smartphones. Learn how to remove dust, moisture and restore sound without disassembling the device.