Here's a quick reference guide to common Android issues, organized by symptom. Each section links to a detailed guide with step-by-step solutions.
Table of Contents
- Before You Buy an Android Phone
- Performance Issues
- Battery Issues
- Charging Issues
- Storage Issues
- Wi-Fi Not Connecting
- Alarm Not Ringing
- Ringtone Not Ringing
Before You Buy an Android Phone
Android phones vary widely depending on the manufacturer. Custom OS skins, different update policies, and varying levels of quality control mean that the experience can differ greatly from brand to brand. If you're considering switching from iPhone or buying your first Android, this guide covers the key things to know.
Things to Know Before Buying an Android Phone | Tips from an iPhone User
Performance Issues
If your Android phone feels slow, unresponsive, or laggy, the cause could be anything from low memory to outdated software or a heavy custom OS skin. A restart and cache cleanup are the quickest fixes, but there are many more steps worth trying.
How to Fix a Slow Android Phone | Troubleshooting by Cause
If specific apps are crashing or failing to open, the issue may be app-specific rather than device-wide.
How to Fix Android Apps That Keep Crashing or Won't Open
Battery Issues
If your battery drains faster than expected, it may be caused by specific apps, display settings, background activity, or battery degradation. Start by identifying which apps are using the most power.
How to Fix Android Battery Draining Fast | Troubleshooting by Cause
Charging Issues
If charging on your Android is slow or unreliable, the cause is usually a fast-charge standard mismatch, an underpowered adapter, a degraded cable, lint in the USB-C port, or a runaway background app. The linked guide breaks down each cause with manufacturer-specific notes for Pixel, Galaxy, Xperia, OPPO, Xiaomi, and Motorola.
Fix Slow Android Charging | Fast Charge, Cable, and Background Checklist
Storage Issues
Running out of storage prevents you from installing apps, taking photos, and updating the OS. Cleaning up media, apps, and cache — along with using cloud services and SD cards — can reclaim plenty of space.
How to Free Up Android Storage | Tips for Recovering Space
Wi-Fi Not Connecting
If your Android won't connect to Wi-Fi, the cause is usually one of: airplane mode left on, a mistyped password, a router that needs a restart, a corrupted saved network profile, an aggressive battery saver setting, or a misconfigured Private DNS. The linked guide walks through every step in order from quick wins (toggle airplane mode, re-enter the password, restart) to last resorts (Wi-Fi reset, full network reset, factory reset).
How to Fix an Android That Won't Connect to Wi-Fi | Cause-by-Cause Checklist
Alarm Not Ringing
If your Android alarm fails to wake you up — completely silent, vibration-only, or third-party sleep apps not firing — the cause on Android is almost always battery optimization or vendor-specific power saving (Galaxy "Sleeping apps", Xiaomi auto-start, Huawei "Protected apps", OPPO power save). The linked guide walks through alarm settings, the four independent volume sliders, Silent / Focus mode interactions, the critical battery optimization exemption for the clock app, audio routing to Bluetooth, and pitfalls with Sleep Cycle and Alarmy.
How to Fix Android Alarm Not Ringing | Silent Mode, Battery Optimization, and Doze Diagnosis
Ringtone Not Ringing
If incoming calls don't ring on your Android — vibration only, only certain contacts silent, sound playing through Bluetooth speakers instead of the phone — the diagnosis depends on which channel is being silenced. The linked guide covers the physical Silent switch (OnePlus etc.), the four independent volume controls, Do Not Disturb call exceptions, per-contact ringtone overrides, the "Silence Unknown Callers" feature on Android 12+, dual SIM pitfalls, audio routing to Bluetooth, and app-specific call ringtones (LINE, WhatsApp, Skype, Zoom).
How to Fix Android Ringtone Not Ringing | Silent Mode, Volume, and Audio Routing Diagnosis
