How to set up Xiaomi Redmi 9C: A complete guide for beginners and experienced users

Xiaomi Redmi 9C โ€” It's a budget smartphone with a great price-to-possibility ratio, but even this technique requires the right setup for a comfortable experience. Many users face problems after the first turn on: slow operation, fast battery discharge or an uncomfortable interface. This article will help you avoid typical errors and reveal hidden features of the device.

We'll go through all the steps in detail, from basic setup at first start-up to fine-tuning. MIUI To improve autonomy, speed up work and protect personal data, the instructions are relevant for all Redmi modifications. 9C (including NFC-version) 10/11 shelled MIUI 12/13.

We will pay special attention to the problems that owners most often face: intrusive advertising in the market. MIUI, It's slow, with lots of applications and sensors that aren't working properly, and all of the recommendations are tested on real devices, without water or abstract tips.

First Installing and Basic Setup

After unpacking Redmi 9C installation SIM-card (or two cards) + microSD) press and hold the power button until the Xiaomi logo appears. 2-3 minutes โ€“ the system will unpack the pre-installed applications and prepare the interface.

When selecting a language, select Russian (Russia) as an important language for voice assistant and speech recognition. If your region is not Russia, select your country of residence manually to avoid geolocation problems in Google services.

  • ๐Ÿ“ฑ Network choice: When connecting to Wi-Fi, opt for a 5GHz network (if the router supports) โ€“ this will reduce delays when downloading applications.
  • ๐Ÿ”’ Security: Set up a pattern lock or PIN-code (fingerprint add later to Settings) โ†’ Passwords and security).
  • โ˜๏ธ Xiaomi Account: Create or sign in to an existing Mi Account โ€“ without it, cloud backup and device search will not work when lost.
  • ๐Ÿ“ฆ Data portability: If you are switching from another Android smartphone, use the option โ€œData transferโ€ via cable OTG or Wi-Fi Direct.

โš ๏ธ Note: When you first turn on Redmi 9C You can offer to install "recommended applications" from Xiaomi. Uncheck all the ticks - these programs (such as Mi Video, Mi Music) duplicate the functions of Google services and only take up memory.

After the initial setup is complete, the system will prompt you to update the software. Don't delay it! 9C They often contain fixes for critical bugs, especially in the first batches of devices. โ†’ The phone. โ†’ Update the system and install all available patches.

๐Ÿ“Š What version? MIUI you prefer?
MIUI 12
MIUI 13
MIUI 14
I don't care.
I don't know.

Optimization of MIUI interface

Shell MIUI on the Redmi 9C It has a lot of hidden features, but not all of them are enabled by default:

  1. Keep your finger free on the desktop. โ†’ press "Screen settings".
  2. Turn on the โ€œNo frameโ€ option (removes the bottom navigation bar) โ€“ this will add usable area to the screen.
  3. In the โ€œBadge Styleโ€ section, select Minimalist or Standard (avoid animated icons โ€“ they eat up to 5% of the charge per day).
  4. Activate Double Touch to Wake Up in Settings โ†’ Screen. โ†’ Lock and prints.

To speed up the system:

  • ๐Ÿš€ Turn off interface animation: go to Settings โ†’ About the phone, 5 times tap on "Version" MIUI", Then in the developer menu (Settings) โ†’ Additionally. โ†’ For developers, set all the animation values on 0.5x.
  • ๐Ÿงน Clear the cache of system applications: Settings โ†’ Annexes โ†’ Application management โ†’ Filter (three dots) โ†’ Show system-based โ†’ Clear the cache for everyone.
  • ๐Ÿ”„ Turn on "Car Cleaner" RAM" In Settings โ†’ Annexes โ†’ Auto Start (Optimum Threshold โ€” 200-300 MB of free memory).
ParameterRecommended valueThe effect
Screen resolutionHD+ (720p)Saving charge without loss of quality
Frequency of update60 HzLess processor load
Theme of the design"Dark or "AMOLED"Reducing the load on the eyes and battery
Navigation gestures"MIUI full-screen"Maximum screen utilization

๐Ÿ’ก

After the update MIUI missing app icons on your desktop, restart your phone in safe mode (hold the power button) โ†’ "Safe mode. " That'll reset the launcher's cache.

Network and Internet setting

Redmi 9C Supports dual-band Wi-Fi and networking 4G, But by default, the connectivity is not optimized. Let's start with the mobile Internet:

Go to Settings. โ†’ SIM-maps and mobile networks โ†’ Mobile network settings and install:

  • ๐Ÿ“ถ Network mode: "4G (recommended)" (turn off automatic selection to avoid switching to slow-moving 3G).
  • ๐Ÿ”„ Data Transfer: Activate "Enable VoLTE" and "Enable VoWiFi" (if your carrier supports the).
  • ๐Ÿ“ก APN: For MTS, Beeline or MegaFon, click "Access Points (APN)" โ†’ "Resetting to default values".

For Wi-Fi:

  1. Enable "Smart Connection" in Settings โ†’ Wi-Fi โ†’ Additionally (automatically switches to mobile Internet at a weak signal).
  2. Turn off "Connect to open networks automatically" - this will prevent connection to insecure access points.
  3. To speed up downloads, activate "Wi-Fi Acceleration" in the same menu (only works on the same menu). MIUI 13+).

โš ๏ธ Note: If after the update, mobile Internet disappeared, check the settings APN. U Tele2 Yota is often confused by parameters. internet.tele2.ru Manually type: Name: Yota Internet APN: yota Proxy: Port not installed: Username not installed: Password not installed: not installed MMSC: http://mmsc MMS-proxy: not installed MMS-port: not installed MCC: 250 MNC: 01 (for Yota)

Make sure SIM-card activated|Check the balance (USSD-request *100#)|Enable data transfer|Disable background restriction for applications|Reboot your phone after the changes-->

Memory and productivity management

Redmi 9C fitted 2-4 GB of RAM and 32-128 GB built-in (depending on the modification) Even with a minimal configuration, you can achieve smooth operation if you configure the system correctly.

Memory cleanup:

  • ๐Ÿ—‘๏ธ Use the built-in "Cleaner" (Settings) โ†’ Annexes โ†’ Cleaner), but no more than 1 time per week โ€“ frequent cache cleaning can slow down the launch of applications.
  • ๐Ÿ“ Transfer heavy applications (games, social networks) to the memory card: Settings โ†’ Annexes โ†’ Select an application โ†’ Warehouse โ†’ Change. โ†’ Memory map.
  • ๐Ÿ” Check the "Files" section for duplicate photos and videos (Install "Analysis").

Optimization of autoloading:

Many applications run automatically and consume resources.

  1. Go to Settings โ†’ Applications โ†’ Autorun.
  2. Sort the list by "Last Launch."
  3. Turn off auto-run for instant messengers (except the main one), games and underused programs.
  4. For critical apps (like WhatsApp), leave auto-run, but limit background activity in Settings. โ†’ Annexes โ†’ Permits โ†’ Background activity.
Type of fileRecommendationSaving space
Cash app.Clean once every 2 weeksup to 1.5GB
Uploaded filesMove it to a memory card5GB
Duplicate photosDelete through the Gallery โ†’ Smart cleaning3GB
Offline mapsKeep only relevant regions2GB
How to check the real speed of the memory card?
Install the app A1 SD Bench from Google Play. Run a sequential read/write test. For Redmi 9C optimal indicators: - Reading: >40 MB/s - Recording: >10MB/s If the speed is lower, the card is fake or damaged. Replace it with a class model. A1 or A2 (For example, SanDisk Ultra).

Battery and autonomy setting

Redmi 9C It's 5,000 mAh battery, but the default power saving is suboptimal. With the right settings, it's easy to run for 2 days in moderation.

Basic settings:

  • ๐Ÿ”‹ Enable "Battery Mode" in Settings โ†’ Battery and productivity โ†’ Battery mode โ†’ "Balanced".
  • โšก Turn off the โ€œFast Chargingโ€ (if you use a non-original adapter) โ€“ this will prolong the battery life.
  • ๐ŸŒ™ Activate Dark Theme and set Automatic Switch from 21:00 to 7:00.

Advanced optimization:

  1. Limit background activity for energy-intensive applications: Settings โ†’ Battery โ†’ Battery utilization โ†’ Select an application โ†’ Limit background activity.
  2. Turn off "Device Search" and "Autosync" in the background (Settings) โ†’ Google accounts โ†’ Synchronization of the account).
  3. Reduce screen timeout to 15 seconds (Settings) โ†’ Screen. โ†’ Sleep after).
  4. Turn on Adaptive Brightness and manually set the maximum level to 60% (Settings) โ†’ Screen. โ†’ Brightness).

โš ๏ธ Warning: If the phone warms heavily when charging, check the power adapter.Redmi 9C maintains maximum current 2A/10W. Use of current chargers >2.4A This can lead to battery degradation through 6 months of active use.

Diagnosis of discharge:

If the battery is too fast:

  • Check the Settings. โ†’ Battery โ†’ Battery use โ€“ applications with consumption >10% in the background should be limited.
  • Run Settings. โ†’ The phone. โ†’ Diagnostics โ†’ Battery check (available on the MIUI 13+).
  • If the battery capacity <4500 MAh, contact the service - this is a sign of wear and tear.

๐Ÿ’ก

Shutdown 5G/4G+ on the Redmi 9C (If your operator does not support these networks, you can save money on the network. 15% Charge per day. Go to Settings. โ†’ SIM-map โ†’ Preferred type of network โ†’ 3G/4G (motor-car).

Security and confidentiality

MIUI It has a reputation for privacy holes, but most problems are solved with the right settings:

Data protection:

  • ๐Ÿ” Install. PIN-length โ‰ฅ6 characters (in Settings) โ†’ Passwords and security โ†’ Screen locking).
  • ๐Ÿ‘† Add a fingerprint (up to 5 fingerprints) and face unlock (less reliable but convenient).
  • ๐Ÿ“ฑ Enable "Find the device" in Settings โ†’ Mi Account โ†’ Find the device (allows you to remotely lock the phone when lost).

Confidentiality:

  1. Turn off "Personalized Recommendations" in Settings โ†’ Confidentiality โ†’ Advertising โ†’ Personalized advertising.
  2. Limit access to geolocation: Settings โ†’ Confidentiality โ†’ Permits โ†’ geodata โ†’ Disable for unnecessary applications.
  3. Disable "Special Access" for all applications except system (Settings) โ†’ Confidentiality โ†’ Special access).
  4. Remove pre-installed Xiaomi apps (such as Mi Browser, Mi Pay) via Settings โ†’ Annexes โ†’ Delete (not everything can be removed without root rights).
Threat.How to protect yourselfConsequences of neglect
Phishing SMSDisable Premium-SMS" In Settings โ†’ SIM-map โ†’ Premium-SMSWrite-off of account money
Data collection MIUIDisable "Diagnostics" in Settings โ†’ The phone. โ†’ Send a report.Leakage of information on use
Malicious APKsProhibit installation from unknown sources (Settings) โ†’ Confidentiality โ†’ Unknown sources)Installation of spyware

๐Ÿ’ก

To check which apps have access to your contacts, go to Settings โ†’ Confidentiality โ†’ Permits โ†’ It's amazing that even the flashlight sometimes requests access to contacts!

Additional features and hidden capabilities

Redmi 9C It has a few hidden features that most users don't know about:

Gestures and quick action:

  • ๐Ÿ‘‰ Double tap to wake up: Activated in Settings โ†’ Screen. โ†’ Lock and prints โ†’ Double touch.
  • ๐Ÿ”„ Turn off the alarm clock: Turn on the settings โ†’ Sound and vibration โ†’ Alarm clock โ†’ Turn over to shut down.
  • ๐Ÿ“ธ Quick camera start: Twice press the volume down button (setting in Settings) โ†’ Camera. โ†’ Quick launch).
  • ๐ŸŽต Musical gestures: In Settings โ†’ Sound and vibration โ†’ Gestures of sound can be adjusted to pause / skip track in headphones.

Hidden developer settings:

Activate the developer mode (5 taps according to the version) MIUI In About the Phone, then:

  • ๐Ÿ› ๏ธ Turn on "Do not turn off the screen when charging" (useful for navigation).
  • ๐Ÿš€ Set the "Background Process Limit" on 2 processes (saves memory).
  • ๐Ÿ”Š Turn off the "Absolute Volume Level" (allows you to exceed the volume limit in Bluetooth headphones).

Gamer chips:

For game lovers:

  • ๐ŸŽฎ Enable "Game Mode" in Settings โ†’ Special facilities โ†’ Game mode (blocks notifications and optimizes performance).
  • ๐Ÿ–ฅ๏ธ Activate "4D-Vibration in sound settings for immersive gaming experience.
  • ๐Ÿ“Š Use the built-in FPS-monitor (included in the developer settings).
How to turn on the hidden FM-radio?
Redmi 9C built-in FM-chip, but the radio app is hidden. To activate it: 1. Install NextRadio from Google Play. 2. Connect wired headphones (they act as an antenna). 3. Run NextRadio and select "FM Note: works only with original Xiaomi headphones or with quality counterparts.

FAQ: Frequent questions about setting up Xiaomi Redmi 9C

๐Ÿ”น Why After Updating MIUI He stopped the phone?
This is a typical Redmi problem. 9C Solution: Clear the cache to Settings โ†’ Annexes โ†’ Cleaner โ†’ Deep cleaning. Turn off animation (as described in the interface section). Reset to factory settings (Settings) โ†’ The phone. โ†’ Resetting) if the brakes are critical. If the problem persists, check the CPU load in Settings. โ†’ Battery โ†’ Battery use. When loading >70% in simple contact the service (possible memory defect).
๐Ÿ”น How to remove advertising in MIUI?
Advertising in MIUI Disabled in several places: Settings โ†’ Confidentiality โ†’ Advertising โ†’ Personalized advertising (disable). Settings โ†’ The phone. โ†’ Additionally. โ†’ Receive recommendations (disable). In Mi Browser, Mi Video, Mi Music apps, turn off ads in their settings. Complete removal of ads will require root or firmware MIUI EU (unofficial).
๐Ÿ”น Can I put Android 12 on Redmi? 9C?
Officially Redmi 9C Android 12 will not be available โ€“ the latest Android update for this model is Android 11 (MIUI However, there are some unofficial firmware: LineageOS 19 (based on Android 12) โ€“ requires unlocking the bootloader. Pixel Experience โ€“ ported firmware from Google Pixel. โš ๏ธ Warning: Unofficial firmware can lead to loss of warranty and problems with the camera / sensors. MIUI, If you are not an experienced user.
๐Ÿ”น How to transfer applications to a memory card?
On the Redmi. 9C portability SD-The card does not work for all programs. Instructions: Insert the memory card (recommended SanDisk) A1 Samsung EVO). Format it as internal memory in Settings โ†’ Warehouse โ†’ Memory map โ†’ Format as internal. Go to Settings โ†’ Annexes โ†’ Select an application โ†’ Warehouse โ†’ Change. โ†’ Memory card. Restrictions: Not all applications support portability (e.g. WhatsApp, Banking applications). Once formatted as internal memory, the card will not be used on other devices.
๐Ÿ”น Why is your fingerprint not working?
Problems with the fingerprint scanner on Redmi 9C It's usually associated with: Dirty sensor, wipe it with an alcohol wipe, damaged safety glass, remove it or cut the sensor hole, software failure, re-register the fingerprint or reset the sensor settings in Settings. โ†’ Passwords and security โ†’ Fingerprints. โ†’ If the scanner doesn't work at all, check it in the engineering menu (#4636## โ†’ "Equipment testing.โ€œSensor failedโ€ requires replacement of sensor.