Package Management Android 8.0+ (API 26+) Risk: SAFE

Reinstall Uninstalled System App

Restores a previously uninstalled system app for user profile 0 without factory reset.

Command Syntax

adb shell pm install-existing
Generic Syntax: pm install-existing [--user <USER_ID>] <package-name>

Options & Parameters

Flag Description
--user <ID> User ID (0 for primary user).

Real-World Usage Examples

Restore previously uninstalled system app
Restores app for active profile.
adb shell pm install-existing com.google.android.youtube
Output:
Package com.google.android.youtube installed for user: 0
Zero-Install Browser Android Debug Bridge

Run ADB Commands, Screen Mirror & Manage Android in Your Web Browser

ADB Toolkit is an open-web developer platform powered by the W3C WebUSB standard and client-side cryptography. Connect any Android smartphone, tablet, or smart TV via USB to execute real-time terminal shell commands, mirror screens, uninstall pre-loaded OEM bloatware, check authentic battery health, and sideload APKs with 100% client-side privacy.

Launch WebADB Terminal How to Enable USB Debugging

💻 WebUSB Terminal Shell

Full-featured interactive Unix terminal running directly on Android OS (UID 2000). Execute package manager (pm), window manager (wm), activity manager (am), and system settings commands.

Open Terminal →

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Search 100+ Bloatware Packages →

🔋 Battery Health & Cycle Counter

Query hardware kernel sysfs fuel gauges to inspect true battery capacity (µAh), completed 0-100% charge cycle counts, voltage, and real-time mA discharge rates.

Check Battery Cycles →

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🔒 Local-First Security & Data Ownership

ADB Toolkit is built on zero-knowledge architecture. When connecting your Android device to our browser application via WebUSB, all cryptographic key generation (Web Crypto SubtleCrypto), transport packet encoding, and binary payload decoding occur strictly on your local computer. We do not operate remote relay servers or collect device serial numbers, shell outputs, or personal files.