[Redmi 9C Guides, News, & Discussion] Gabiblocks:
A small guide of boosting performance of your phone. I have Redmi 9C NFC (angelican) 2/32GB, it works also on normal version (angelica). You need to ROOT your phone. This should also work for the MIUI 12.5 rom. If you ask, why not just install a custom rom? Well, i tried 5 of them and all 5 had a problem with sound on calls, so im stuck on MIUI. (sigh, i gotta change this crappy phone real fast)

DEBLOAT

1) Turn ON developer options.

2) In developer options turn on USB Debuging.

3) Download https://github.com/Szaki/XiaomiADBFastbootTools/releases/tag/7.0.3 and run it (You need to have java installed)

4) Connect your phone to your computer and click allow on the phone to allow ADB connection.

5) In Xiaomi ADB Fastboot Tools, check all these apps: Analytics, Cleaner, Feedback, Games, GetApps, Google Calendar, Google One, MSA, Mi Browser, Mi Cloud, Mi Credit, Mi Drop, Mi Pay, Mi Wallpaper, Package Installer, Quick Apps and click Uninstall on the bottom. (You don't need to uninstall all these, you can keep some if you want to use it)

Improve Performance

1) Download Riru https://github.com/RikkaApps/Riru/releases and flash module in Magisk and reboot

2) Download LSPosed manager from Google Play

3) Download LSPosed Framework for Riru https://github.com/LSPosed/LSPosed/releases/tag/v1.7.2

4) Flash LSPosed Framework module in magisk and reboot

5) Download CustoMIUIzer from Google Play

6) In CustoMIUIzer, enable LSPosed mode

7) Go to launcher and enable Performance Mode.

8) Download XBooster from Google Play (you can buy Pro Version if you want) and give it superuser permission in magisk

9) Open XBooster and click "Multitasking mode". Click Quick Boost and exit. (You can return here later and Quick Boost ram again for better RAM managment)

9.5) (OPTIONAL) For better ram managment open XBooster, Click the 3 dots, Click Preferences, Click "Lock Launcher" and "Kill System apps". Go to whitelist and check all the apps you dont want to be killed in background. You can also check "Apply on Boot" for the program to auto optimize ram after a restart.

10) Download Apps2SD from Google Play and give it superuser permission.

11) Open Apps2SD and click "Fix Device Lag". Check all options and click the button located down right. If your device will start lagging again in the future, come back here and do the same.

11.5) (OPTIONAL) In Apps2SD, go to Swap Manager and create a bigger swap file.

12) In Apps2SD, go to "Throttle CPU". Set both "CPU Governor" to performance and turn on all the options under.

13) Reboot.

Optional Performance Improvment and More Functions

1) Download MIUI Downloader from Google Play.

2) Open it and go to "Hidden Features" tab.

3) Find "MIUI Performance Mode", click on it, select performance or efficient. Close MIUI Downloader, you can uninstall it.

4) Download these modules https://xdaforums.com/t/gameturbo-v...enu-in-launcher-and-special-features.4401397/ . Flash them in Magisk and reboot. If you want you can only flash the Security module and Settings module, it's the only one that will help, other just add functions from xiaomi flagship phones.

5) Using a ROOT File explorer delete long name folder inside "\data\system\package_cache\".

6) Go to Settings > Special Features > Game Turbo.

7) In Game Turbo, go to settings, check Performance Optimization, go to Performance Mode and check all of it's contents.

That's it.

Credits:

@Atem1990 for the modules

LSPosed Developers

Riru Developers

@Mikanoshi for CustoMIUIzer

XiaoMIUI for MIUI downloader app

Vicky Bonick for Apps2SD

GappsCorp for XBooster