Want tighter privacy on Android without ditching Google entirely? Below is a practical walkthrough—based on the exact screens you shared—to reduce data collection, ad targeting, and accidental exposure while keeping core services usable.

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Before You Start

You’ll use three places: Android Settings, the Google app (Assistant settings), and your Google Account → Data & privacy.

If you have multiple Google accounts on the phone, repeat account-level steps for each one.

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Part 1 — Lock Down Your Google Account (Data & privacy)

Path: Settings → Google → Manage your Google Account → Data & privacy

• Pause Web & App Activity
  • Tap Web & App Activity → toggle Pause (Off).
  • What it does: stops saving searches, app activity, and associated location to your account.
• Pause Location History (Timeline)
  • Tap Timeline / Location History → toggle Pause (Off).
  • What it does: prevents your movements from being added to Maps Timeline.
• Pause YouTube History
  • Tap YouTube History → toggle Pause (Off).
  • What it does: stops saving watch and search history for YouTube recommendations.
• Turn Off Personalized Ads (My Ad Center)
  • Open My Ad Center → set Personalized ads to Off.
  • What it does: reduces profile-based targeting across Google services like YouTube and Search.
• Disable Partner Ads Personalization
  • In Partner ads settings, turn personalization Off.
  • What it does: limits personalization on non-Google sites that partner with Google ads.
• Turn Off Search Personalization
  • In Search personalization, set to Off.
  • What it does: stops using account data for tailored Search experiences.
• Review Google Fit Privacy (if you use it)
  • Tap Google Fit privacy → restrict what’s saved and which connected devices/apps can share health data.
• Delete Past Activity (Optional but Recommended)
  • Still in Data & privacy, open My Activity.
  • Use Delete → choose All time or a custom range.
  • Consider setting Auto-delete (e.g., 3 or 18 months) if you want some history but not forever.

(see photo above)

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Part 2 — Minimize What the Google Assistant Stores

Path: Google app → profile photo → Settings → Google Assistant

• Turn Off Web & App Activity for Assistant
  • Open Your data in the Assistant → Web & App Activity → ensure Off.
  • Mirrors Step 1 but scoped from Assistant.
• Disable Assistant Audio Recordings
  • In Your data in the Assistant, set Audio recordings to Off.
  • What it does: prevents storing voice inputs for model training or review.
• Block Device-Derived Data in Assistant
  • App info from your devices → Off.
  • Contact info from your devices → Off.
  • What it does: stops Assistant from ingesting app and contact details for suggestions.
• Turn Off Personal Results
  • Go to Personal results → toggle Off.
  • Also turn Off for Lock screen personal results and On headphones.
  • What it does: prevents Assistant from surfacing emails, calendar items, contacts, etc., especially on a locked device.

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Part 3 — Cut Device-Level Ad Tracking

Path: Settings → Google → Ads

• Reset or Delete Your Advertising ID
  • Tap Reset advertising ID to generate a fresh ID, or choose Delete advertising ID to prevent apps from using it for personalized ads.
• What it does:
  • Breaks existing cross-app ad tracking ties on this device.

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Part 4 — Quick Extra Hardening on Android

• Tighten App Permissions
  • Settings → Privacy → Permission manager.
  • Set Location, Contacts, Microphone, Camera, Calendar, Call logs, and Nearby devices to Ask every time or Deny for apps that don’t truly need them.
• Reduce Passive Location Signals
  • Settings → Location → Location services.
  • Turn Wi-Fi scanning and Bluetooth scanning Off (apps can still scan even when Wi-Fi/Bluetooth are off if these are enabled).
• Turn Off Usage & Diagnostics (if present)
  • Settings → Privacy → toggle Usage & diagnostics Off to stop sending device analytics to Google.
• Review Backups & Autofill
  • Settings → System → Backup: confirm you’re comfortable with what’s backed up to Google.
  • Settings → Password & accounts → Autofill: consider using local or third-party encrypted managers if desired.

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What You’ll Lose (Trade-Offs)

• Less personalized Search, Maps, and YouTube recommendations.
• Assistant becomes more generic and won’t surface personal info on lock screen or headphones.
• Ads are less relevant (which is the point), but you’ll still see ads.
• Ongoing Maintenance
• Revisit My Activity, Maps Timeline, and YouTube History monthly to ensure they remain paused and to clear residual items.
• After major Android or app updates, re-check toggles (some vendors resurface prompts).
• Audit app permissions quarterly.

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Android Privacy Checklist

• Web & App Activity — Paused
• Location History / Timeline — Paused
• YouTube History — Paused
• My Ad Center — Personalized ads Off
• Partner ads settings — Off
• Search personalization — Off
• Assistant: Web & App Activity — Off
• Assistant: Audio recordings — Off
• Assistant: App info from devices — Off
• Assistant: Contact info from devices — Off
• Assistant: Personal results (incl. lock screen, headphones) — Off
• Ads: Delete advertising ID (or Reset)
• Permissions pruned, passive scanning off, usage & diagnostics off

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Set up this way, you’ll still have a fully functional Android phone with Google services—but with far less data exhaust and far fewer personalized ad surfaces.