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FAQ & Knowledge Base

Guides, troubleshooting and technical reports.

Find answers to common questions about GPS configuration, Android battery optimization, hardware sensors, and device-specific issues.

Configuration & Setup
Configuration

Android GPS Configuration Guide

Optimize your Android device settings for reliable location tracking. Covers GPS modes, battery optimization exceptions, and background location permissions.

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Configuration

Android Location Provider Configuration

Fix "NETWORK provider disabled" errors in Xopoz power save mode. Explains GPS vs Network providers and how to enable both for uninterrupted tracking.

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Troubleshooting
Troubleshooting

Android OS App Killing Troubleshooting

Diagnose and fix cases where Android silently terminates Xopoz GPS tracking. Includes ADB diagnostic commands and step-by-step analysis of app killing causes.

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Troubleshooting

“System killed Xopoz”: Crash or Not?

What the warning means, why it is not a crash, and why the time shown can be hours too early. Step-by-step screenshots to set App launch to manual on Huawei and Honor phones so the system stops closing Xopoz in the background.

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Device Report

Pixel 7 GPS Sampling Issues

Technical report on GPS tracking gaps specific to Google Pixel 7 devices. Explains Android doze mode interference, Tensor G2 sensor limitations, and available workarounds.

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Device Report

GPS Icon Missing While Xopoz Requests GPS

ADB investigation on an Honor 9 (EMUI 9.1, Android 9): the status-bar location icon vanishes while Xopoz keeps its GPS request open, because the phone’s own GPS daemon crashes in a loop. Includes every command, its output, and a timeline.

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Troubleshooting

Can I Uninstall and Reinstall the App?

What survives a reinstall (account, teams, encrypted positions on the server) and what doesn't (team encryption keys, local trail, cached tiles). Explains how the local-only key model works and the QR-scan recovery path to restore decryption after a fresh install or a switch to a new phone.

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Hardware & Features
Hardware

Compass Reliability in Transportation

Why the compass behaves erratically in metros, buses, and cars. Covers electromagnetic interference, sensor fusion, and how Xopoz automatically switches to GPS-based bearing.

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Features

Tracking Tags FAQ

Why Xopoz cannot display AirTag, Samsung SmartTag, or similar commercial tracking device locations. Explains closed ecosystems and practical Xopoz-native alternatives.

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Features

Using Xopoz in Airplane Mode

GPS still works in airplane mode because the GPS receiver is passive. Covers what continues to function, how to pre-cache maps, and the queue-and-flush model for offline position sync.

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Hardware

Live Tracking Inside an Aircraft

Why the map freezes mid-flight even though airplane mode does not disable GPS. Covers Faraday-cage shielding, CoCom speed/altitude limits, the window-seat rule, carbon-fibre fuselages, and the same physics on high-speed trains. Includes engineering references.

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Features

How Do I Hide My Position?

Four layers of control: the dual privacy switches inside Xopoz (record locally vs share with team), intraday tracking windows, the dedicated top-right power button (with "short-short-long" vibration confirmation), and the cross-app recipe to stop the phone itself from estimating any position. Engineering primer on why GPS-off + airplane mode is practically — but not strictly — 100 %.

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