I have bought Nothingphone 3 because it has opened bootloader. I will try to optimize it and use virtualization or private spaces to keep system clean.
NOTHING SMARTPHONE 3
Save battery
1. Disable animations
2. Disable Digital Wellbeing
3. Disable Printing Services
4. Disable notifications.
5. Deactivate RAM Booster
6. Disable Wake screen for notifications
7. Set 60Hz refresh rate
8. Disable Wi-Fi and Bluetooth Scanning
9. Switch Preferred Network to 4G/LTE
10. Hard App Restriction (Battery Restriction) for each app which prevents background run.
Delete Google garbage. DEBLOATER
Shizuku + Canta
1. Safest way to delete garbage. Download them from f-droid
2. On NothingOS 3. Start paring on Shuzuku -> Go to developer option -> Wifi debugging and tap button to get 4 digit code -> Enter code to Shuzuku -> Start Shuzuku
2.1 Do NOT use "Uninstall". In Canta, always select "Disable". Disabling stops the app from running and hides it, but keeps the original file in the system partition. If you accidentally break something, you can just re-enable it in Canta.
2.2. Do not delete any with "overlay" ou "qti/qualcomm
3. Canta recommends to delete:
com.google.android.accessibility.switchaccess Acesso com interruptor Accessibility switch control (remove if you don't use physical switches for accessibility). An accessibility feature to control the phone using external switches. Completely useless for users without severe motor impairments.
com.qualcomm.qtil.aptxacu acu Bluetooth Audio Codecs. If deleted, you lose aptX/aptX HD high-res Bluetooth audio. Do not delete
com.qualcomm.qtil.aptxals als Bluetooth Audio Codecs. If deleted, you lose aptX/aptX HD high-res Bluetooth audio. Do not delete
android.overlay.gms.region.all System Overlay. Breaks system UI initialization.
com.qualcomm.qtil.aptxui aptxui Bluetooth Audio Codecs. If deleted, you lose aptX/aptX HD high-res Bluetooth audio. Do not delete
com.google.ar.core ARCore (remove if you don't play AR games like Pokemon Go). Google's Augmented Reality engine (used for viewing 3D objects via camera or playing games like Pokémon GO). If you do not use AR, it is just wasted space.
com.nothing.applocker Bloqueio de aplicacoes
com.google.android.calculator
com.qualcomm.qti.callfeaturessetting Call Features. Breaks VoLTE, Wi-Fi calling, and call settings.
com.android.microdroid.empti_payload A blank test payload used by Android's virtualization engine. It serves no purpose in daily operation.
com.google.android.ondevicepersonalization.services Powers smart replies and personalized suggestions. Remove if you want maximum privacy. Tracks local usage patterns to personalize Google ads and recommendations. Safe to delete to improve privacy.
com.android.providers.partnerbookmarks Default browser bookmark Pre-saved website bookmarks that come pre-installed in Chrome due to commercial partnerships. Pure bloatware.
com.android.settings.overlay.personalsafety Settings App. Will crash the Settings app when you open Battery or Safety menus.
com.android.settings.overlay.turbo Settings App. Will crash the Settings app when you open Battery or Safety menus.
com.android.systemui.accesability.accessibitymenu System UI. Will cause the status bar/navigation bar to crash or look broken.
com.android.systemui.overlay.gms System UI. Will cause the status bar/navigation bar to crash or look broken.
com.google.android.federatedcompute On-device machine learning for Google analytics. A system that processes AI tasks locally (like keyboard text predictions) without sending data to the cloud. Safe to remove if you don't care about personalized typing predictions.
com.google.android.overlay.gmsconfig.healthconnect Health Connect integration. Remove if you don't sync fitness data.
com.google.android.overlay.gmsconfig.tetheringentitlement
com.google.android.overlay.modules.healthfitness.forframework Health Connect integration. Remove if you don't sync fitness data.
com.nothing.launcher.overlay.config Nothing Launcher. WILL BREAK THE NOTHING LAUNCHER.
com.nt.android.overlay.gmsconfig.safetycenter Nothing OS Settings. Will break the Nothing OS Settings UI and Privacy Dashboard.
com.nt.android.overlay.gmsconfig.settings Nothing OS Settings. Will break the Nothing OS Settings UI and Privacy Dashboard.
com.nt.android.overlay.gmsconfig.settingsprovider Nothing OS Settings. Will break the Nothing OS Settings UI and Privacy Dashboard.
com.qti.service.colorservice Color Calibration. WILL MESS UP YOUR SCREEN COLORS AND BRIGHTNESS.
com.qualcomm.atfwd Modem Diagnostics. Can break cellular signal or SIM detection
com.qualcomm.atfwd2 Modem Diagnostics. Can break cellular signal or SIM detection
com.qualcomm.qti.biometrics.fingerprint.service Fingerprint Driver. WILL PERMANENTLY BREAK YOUR FINGERPRINT SCANNER.
com.qualcomm.qti.devicestatisticsservice Collects hardware statistics to send back to Qualcomm. Disabling it can slightly improve background battery life.
com.qualcomm.qti.qms.service.connectiosecurity Network Security. Breaks secure cellular connections.
com.qualcomm.qti.qms.service.trustzoneaccess Hardware Security. Breaks secure payments (NFC), DRM (Netflix HD), and secure boot.
com.qualcomm.qti.remoteSimlockAuth Carrier SIM locking. Safe to remove if your phone is already unlocked.
com.qualcomm.qti.server.wigig.tethering.rro WiGig (60GHz Wi-Fi) tethering. Safe to remove (almost no one uses WiGig).
com.qualcomm.qtu.uim SIM Toolkit. WILL BREAK YOUR SIM CARD READING.
com.qualcomm.qti.uimGbaApp SIM Toolkit. WILL BREAK YOUR SIM CARD READING.
com.qualcomm.uimremoteclient SIM Toolkit. WILL BREAK YOUR SIM CARD READING.
com.qualcomm.uimremoteserver SIM Toolkit. WILL BREAK YOUR SIM CARD READING.
com.google.android.feedback Contente sobre o Market Crash reporting telemetry. A tool that sends error crash reports to Google when a Play Store app crashes.
com.google.android.gms.supervision Controle da familia do sistema Family Link / Parental controls. Google Family Link parental controls. If this is an adult's phone, it is completely unnecessary.
com.qti.dcf dcf
com.google.android.apps.docs Drive
com.tools.cit FactoryTest Factory testing tool. An internal menu used at the factory to test the screen, speakers, and buttons before packaging. Perfectly safe to remove.
com.nothing.logkit Ferramienta de registro (Ferramienta de registro): Internal logging tool. (Highly recommended to remove). A hidden logging utility used to capture system bugs. It runs in the background, consumes battery, and is only useful for developers.
com.google.android.apps.nbu.files Files do Google
com.google.android.apps.photos Fotos
com.google.android,apps.bard Gemini This is the official package for Google Gemini (formerly Bard). If you use Gemini as your primary AI assistant on your phone, do not delete it. If you prefer the classic Google Assistant or do not care for AI tools, you can safely remove it.
com.google.android.gm Gmail
com.google.android.onetimeinitializer Google One Time Init First-boot setup tool (useless after setup).
com.google.android.gms.location.history Historico de localizacao do Google Google location history tracking.
com.google.android.as Intelegencia do sistema Android Android System Intelligence. Powers "Now Playing" (identifying music), smart replies in keyboard, and live caption. Remove if you don't care about these AI features.
com.qualcomm.location LocationServices Wi-Fi/Bluetooth scanning for location. Safe to remove if you already turned off Wi-Fi/Bluetooth scanning in Android Location settings.
com.google.mainline.adservices Main components Ad tracking services. (Highly recommended to remove). Part of Android's newer ad-tracking system (Privacy Sandbox). They track your interests based on the apps you use to display targeted ads. Highly recommended to remove for better privacy.
com.google.android.apps.maps Maps
com.nothing.weather Meteorologia Nothing's weather app. Remove if you use a different weather app.
com.google.android.apps.restore Mudar para Android Data migration tool (useless after setup). The Google Backup and Restore tool. If you remove this package, you won't be able to restore your apps, contacts, and cloud data from an old phone to this one, or recover your data if you reinstall the system.
com.google.android.keep Notas do keep
com.nothing.agreement Nothing Agreement Legal EULA popups. Manages Nothing's terms of service and license agreements integrated into the OS. Deleting it can freeze the "About Phone" menu or block system updates due to a lack of license validation. Keep it.
com.nothing.smartcenter Nothing X Nothing accessory management. Remove ONLY if you do not own Nothing Ear (a) or (1) earbuds. If you use Nothing earbuds, KEEP THIS.
com.nothing.experience Nothing OS telemetry/experience data. Nothing's telemetry service used to collect anonymous data on how you interact with the user interface. It is factory-installed brand tracking for statistical purposes.
com.nothing,OfficeOTAUpgradeApp NothinOfflineOtaUpdate (Offline OTA): Offline update tool (you can just use normal OTA). An internal Nothing utility for firmware updates or productivity packages. Safety tip: Although it might look like bloatware, disabling services containing "OTA" (Over-The-Air) can block you from receiving official Nothing OS software updates. Only delete this if you plan to never update your phone's software again.
com.android.theme.font.notoserifsource Noto Serif Source Sans pro Unused font file. Just the "Noto Serif" font file for Android. Removing it will not break the system; the phone will simply fall back to the default system font (Roboto/Nothing Smart Font) if this one was selected.
com.google.android.adservices.api Privacidade de anuncios Ad tracking services. (Highly recommended to remove). Part of Android's newer ad-tracking system (Privacy Sandbox). They track your interests based on the apps you use to display targeted ads. Highly recommended to remove for better privacy.
com.google.android.as.oss Private compute services Telemetry for Android intelligence. Open Source Software (OSS) components of the Android System Intelligence. It handles automated background tasks, but removing this specific .oss variant won't break the main smart features of your phone.
com.qti.qcc QCC Power/Charging Management. Can break fast charging UI or battery stats
com.qti.snapdragon.qdcm_ff QDCM-FF Color Calibration. WILL MESS UP YOUR SCREEN COLORS AND BRIGHTNESS.
com.android.traceur Rastriament do Sistema Developer system tracing tool. An internal Android tool known as "System Tracing." It records performance logs for developers to analyze lag or crashes. It is completely useless for a regular user.
com.qualcomm.qti.ridemodeaudio RideMode Recording list Bluetooth audio routing for Android Auto/Drive mode. Safe to remove if you don't use Android Auto.
com.google.android.odad Servico Google Play Protect Play Protect background diagnostics. This is an independent component of Google Play Protect. If you are a careful user who only downloads apps from trusted sources and wants maximum performance free of background scans, you can safely remove it.
com.google.ambient.streaming Servicos entre dispositivos Responsible for Google Cross-Device Services. This allows you to stream apps from your phone directly to a Chromebook or sync clipboards between devices. If you do not own a ChromeOS computer, you can delete it without issue.
com.qualcomm,qti.simcontacts SimContacts SIM Contacts. Breaks reading contacts saved to the SIM.
com.android.setupwizard.overlay SobreposicaoDoAssistenteDeConfiguracao Setup wizard UI (useless after setup). A system configuration layer that manages the Android Setup Wizard. Even though your phone is already set up, removing crucial system overlays on Nothing OS can cause SystemUI crashes or bootloops if you ever need to factory reset your device. Keep it.
com.google.android.tag Tags Used to manage geographic location tags in photos and NFC/tag triggers. If you do not use physical programmable NFC tags, you can delete it.
com.qualcomm.qti.xrcb Display Qualcomm VR/AR (XR) services. Safe to remove if you don't use VR headsets.
com.qualcomm.qti.xrvd.service Display Color Calibration. WILL MESS UP YOUR SCREEN COLORS AND BRIGHTNESS. Qualcomm VR/AR (XR) services. Safe to remove if you don't use VR headsets.
ADB
1. Use Universal Android Debloater (UAD) or ADB
2. UAD github.com/0x192/universal-android-debloater
Install Niagara / Olauncher
1. From f-droid
2. No point to do that actually.
Ptivate space
1. Private space not stopping app background activity. It is bullshit function.
2. Android allows one Work Profile + one Private Space
Shelter
0. You could avtivate auto-freeze fuction. Freeze comand disables package.
1. For imo messenger.
2. Create different user with Shelter for better isolation.
3. Or just use hard battery app restriction (It semi freezing actually).
SEPARATE USERS ENVIRONMENT
1. Configuration -> System -> Users.
2. Different users perfil consumes RAM because they dubling google and Android services.
3. Don't use Google account use Aurora Store APK from f-droid.
4. Try to substitute Google apps on Foss for additional users.
What I have 5.6Gb before degoogling and after:
systema operacional Android 2.4gb -> 2.5
interface do sistema 508mb -> 486
configuracoes 301mb -> 176
google play services 459mb -> 196
gboard 202mb -> 82
messages 182mb -> 91
selector de midia 175mb -> 173
Google 170mb -> 69
Bem-estar Digital 161mb -> 46
nothing launcher 147mb -> 143
servicos de sistema 123mb -> 73
termux 92mb ->87
android service library 85mb -> 73
gerenciador de depositivos complementar 84mb -> 120
ketchum 68mb -> 45
Nothing card service 61mb -> 88
Armazenamiento de mensages 60mb -> 58
Inteligencia do sistema Android 49mb - 7.3
DEGOOGLING
1. HeliBoard from F-droid instead of googleboard. Or OpenBoard from github.com/openboard-team
2. Instead of Google Files -> Material Files from F-droid.
3. Google Messages to Fossify Messages.
4. Contatos do Google to Fossify Contacts.
5. Google Photos to Fossify Galery.
CONTACTS
1. I have bunch of Google acc and I want to join contacts.
1.1 Go to Contacts app and export .vcf files from your accounts.
LINUX INSTALLATION
postmarketOS
Ubuntu Touch