How to Optimize Xiaomi Redmi 7: A Complete Guide to Overclocking, Cleaning and Setup

Xiaomi Redmi 7, released in 2019, is still a popular budget smartphone due to reliable hardware and support MIUI. But over time, even this machine starts to slow down: applications load for a long time, the battery runs down in half a day, and the system emits errors, the reason is not a weak Snapdragon 632 processor, but clogged memory, background software and suboptimal settings.

In this article — 12 How to get Redmi back 7 We're going to go to factory speed without radical measures like flashing. MIUI 12/14, Safe tweaks for the battery, clearing the cache without losing data, and even hardware tweaks (like why shutting down the second one) SIM-card saves up 15% All methods tested on Android firmware 9-11 and relevant to Redmi models 7/7A.

Spoiler: If your smartphone is “lagging” due to 100% CPU load in Task Manager, it is not the chipset itself that is to blame, but the background processes of Google Play Services or Google Play Services. MIUI Daemon. They can be tamed -- read on.

1.Diagnosis: Why is Redmi 7 slowing down?

Before you optimize, you need to identify the bottleneck. Redmi 7 is often to blame:

• 📉 Lack of RAM (2/3 GB RAM They are quickly clogged with backgrounds applications).
• 🗑️ Overflowing storage (the system starts to “glut” when the memory is filled at 85%+).
• 🔋 Battery worn out (after 500 Charging cycles, the capacity falls on 20-30%).
• 🤖 Outdated firmware (MIUI In 2022, it contains critical bugs).

To check the status of the smartphone:

1. Open the Settings. → The phone. → Version. MIUI And remember the firmware version.
2. Go to Settings. → Battery. → Battery status (if no item – use the AccuBattery app).
3. Launch Security → Optimization → Memory and see what apps are eating RAM.

⚠️ Attention: If in Settings → Memory you see the message "System memory is full", do not delete files manually through Explorer! this can damage application data. Use only the built-in cleanup or SD Maid.

2. Cleaning Memory: How to Free Yourself 3-5 GB for 10 minute

Redmi 7 complete 32 or 64 GB of memory, but is available to the user 5-8 GB is less because of pre-installed apps to make room:

Delete the app cache

Transfer the photo/video to SD-map

Disable Auto-Update Applications

Remove duplicate files

Clean up the downloads-->

Cache and debris disposal

Cash is the master memory eater.

1. Go to Settings → Memory → Cleanup.
2. Click on “Deep Cleanup” and tick all the points.
3. To remove the cache of individual applications: Settings → Annexes → Select an application → Memory. → Clear the cache.

Important: Do not clear the cache of Google Play Services and MIUI System – This can cause synchronization errors.

Transfer of data to SD-map

Redmi 7 supports microSD up to 256 GB.

• 📷 Photo and video (via Gallery) → highlight files → «Move it»).
• 🎵 Music and podcasts (in the Music app, click Settings) → Storage folder»).
• 🎮 Games (on Google Play, select the game) → «Management → Move it to SD»).

⚠️ Note: Not all applications support portability SD. If the option is inactive, use it. App2SD (requires root rights).

System debris disposal

MIUI Creates hidden files that you can't see in Explorer to delete them:

1. Install Files by Google from the Play Market.
2. Go to the "Cleaning" tab» → «Make room».
3. Remove “Dublicates”, “Large Files” and “Unused Applications”.

💡

Regular cleaning of cache and transfer of media files to SD-The card frees up to 40% of memory, which immediately speeds up the smartphone.

3. Performance optimization: closing background processes

The Snapdragon 632 in Redmi 7 is capable of pulling on modern tasks, but only if the background applications do not interfere.

Auto-start disabling

Many apps are launched when the phone is turned on and hang in the background to prevent it:

1. Go to Settings → Applications → Application Management.
2. Select an app (like Facebook or AliExpress).
3. Press Auto Start and turn off the slider.

Exceptions: Do not disable Autoplay for Phone, Messages, and Google Play Services – this will disrupt calls and notifications.

Restriction of background activity

MIUI allows you to limit the work of applications in the background:

1. Open the Settings. → Battery. → Power regimen.
2. Select “Optimized” or “Balanced” Mode.
3. For individual applications: Settings → Battery → Choice of application → Background activity → Limit.

💡

If notifications from messengers have stopped coming after limiting background activity, add them to the “White List” in the battery settings.

Use of the performance mode

Redmi 7 has a hidden High Performance mode that overclocks the processor.

1. Activate Developer Mode: Settings → About Phone → MIUI version (click 7 times).
2. Back to Settings → Additionally. → For developers.
3. Find the item "Background Limitation" and select "No Limits".
4. Turn it on «GPU-acceleration” and “Debugging by USB» (last).

⚠️ Warning: No Limits mode increases phone heat and battery consumption, and only use it for games or resource-intensive tasks.

4. Battery setup: how to extend autonomy by 30%

Redmi battery 7 on 4000 mAh should keep the charge for a day, but in practice - sits behind the clock. 10-12 My fault:

• 📡 Continuous network search (especially if the signal is weak).
• 📱 Background synchronization of Google and MIUI.
• 🔍 Auto-update apps and weather.

Optimization of network consumption

The weak signal devours up to 25 percent of the charge, to reduce the flow rate.

• 📶 Switch from 4G on 3G in areas with poor coverage: Settings → SIM-maps and mobile networks → Preferred type of network → 3G.
• 🚫 Turn off VoLTE (voice through) 4G), if you don't use HD-Calls: Settings → SIM-map → VoLTE calls.
• ✈️ In roaming, use the "Only" mode. 2G»: This will save up to 40% of the charge.

Disconnection of unnecessary services

MIUI And Google is constantly syncing data to reduce background activity:

1. Turn off autosynchronization: Settings → Accounts. → Synchronize data (disable unnecessary accounts).
2. Stop Google Play Services from draining the battery: Settings → Battery. → Choice of application → Google Play Services → Limit background activity.
3. Turn off the “Adaptive Battery” (it’s often wrong): Settings → Battery → Adaptive battery.

Calibration of the battery

If the phone shows an incorrect percentage of charge (for example, suddenly switches off by 30%), calibrate:

1. Discharge the phone to 0% (until it shuts down).
2. Connect to the original RAM and charge 8-10 hours without interruptions.
3. Turn off and turn on the phone. Repeat the cycle 2-3 times.

Note: Calibration only helps when the controller fails. If the battery is physically worn out (capacity) < 2000 mAh), replacement required.

5. Firmware update: is it worth switching to MIUI 14?

Official support for Redmi 7 ended in 2022, but unofficial firmware (like Pixel Experience or LineageOS) could give the device a second life.

How to upgrade safely:

1. Make a backup: Settings → Additionally. → Backup.
2. Download the firmware from the official Xiaomi website (Support section).
3. Use it. MIUI Updater (built-in application) or TWRP custom-fix.
4. After the update, reset the settings (Settings) → Resetting settings).

⚠️ Note: Do not update through "left" sites! firmware with 4PDA or XDA Developers may contain viruses or be unstable. MD5-hash file before installation.

Hardware tweaks: acceleration and cooling

If software optimization didn't work, you can overclock Redmi 7 a little bit hardware.

Disconnection two SIM-map

Two. SIM-The cards are simultaneously used 10-15% More power if the second slot is not in use:

1. Go to Settings. → SIM-maps and mobile networks.
2. Turn off the unused. SIM (Slipper “On/Off»).
3. To completely shut down, remove the card (this will also reduce the heating of the communication module).

6.2.Use of game mode

Redmi 7 has a hidden “Game Turbo” mode that optimizes performance for gaming:

1. Open Security. → Optimization → Game mode.
2. Add to the list of games (for example, PUBG Mobile or Genshin Impact).
3. Enable the options “Improving touch” and “Memory Cleanup”.

💡

For additional cooling during games, use a cooler for your smartphone (worth it). ~500 ₽). It reduces the temperature of the processor by 5-10°C, preventing trottling (automatic frequency reduction when overheating).

Replacement of thermopaste

If the phone is overheated (above 50)°C in games, the cause may be a dried thermal paste. Self-replacement:

1. Buy a thermopaste Arctic MX-4 or KPT-8.
2. Take the phone apart (need a mediator and a cross screwdriver).
3. Clean the old paste with alcohol, apply the new thin layer.
4. Collect the device and check the temperature in AIDA64.

⚠️ Warning: Disassembling your phone will void your warranty! If you're not sure about your abilities, contact the service. The average cost of replacing a thermopaste is 800-1200 ₽.

7. Alternative launchers and shells

Standard launcher MIUI It's beautiful, but it's gluttonous. Easy alternatives will speed things up:

How to determine:

1. Download the launcher from Google Play.
2. Click "Home" and select the new launcher as the main one.
3. In the launcher settings, turn off animations and widgets for maximum performance.

💡

Replacement of the launcher does not require root rights and is reversible.MIUIMIUI

8. Radical-methods: reset and custom firmware

If nothing works, then radical measures are left, and they take time, but they do work.

8.1 Hard Reset (Hard Reset)

It'll bring the phone back to factory settings by deleting all the data.

1. Create a backup (photos, contacts, messages).
2. Go to Settings → About the phone → Reset settings.
3. Select “Erase all data” and confirm.

⚠️ Warning: After resetting, the phone will require you to enter the Mi Account that was previously tied! If you forgot the password, unlocking will take 3-7 days (you need to write in support of Xiaomi).

Installation of custom firmware

Firmware like Pixel Experience or LineageOS give a clean Android without advertising and unnecessary services MIUI. Step-by-step instruction:

Recommended Firmware for Redmi 7:

• 📱 Pixel Experience (Android 12) – as close as possible to “pure” Android.
• 🔄 LineageOS 18.1 (Android 11) is fast and stable.
• 🎮 Corvus OS — optimized for gaming.

Cons of custom firmware:

• ❌ No official support (bugs are fixed by enthusiasts).
• ❌ Possible problems with the camera or sensors.
• ❌ Warranty revoked.

💡

Before installing custom firmware, check the reviews on 4PDA or XDA For your model (onc for Redmi 7). Some builds may not support Widevine L1 (no HD Netflix).

FAQ: Frequent questions about Redmi optimization 7