Samsung's Galaxy S series is one of the most impressive Android devices on the market. However, no electronic device is perfect and mobile phones will always cause various types of problems over time. Whether you're using a Samsung Galaxy S20, Galaxy S20 Plus, Galaxy S20 Ultra or Galaxy S20 FE, the common problems are similar. Here are solutions to some of the most common problems of Galaxy S series!A remedy for Samsung's Galaxy S problemsGalaxy S series phone charging problemThere are many unknowns that can affect your phone's battery life. And the hardware and software need to work together on your phone while it's charging. To fix the problem with the Galaxy S20 series phones that can't be charged, you need to check the following Samsung parts for a problem.Test the power adapter, charger, and power cord. Make sure nothing is bent, clogged, or damp, as these can cause the charge to fail.Clean your charging port.If your phone still can't charge, force a reboot of your Samsung Galaxy S20.Try charging your phone while it's off.If all else fails, you may need a new battery.The battery soon ran outIf your battery dies soon after charging, your screen may be to blame. To fix this, turn off "Always show" in Settings >; Lock the screen. You can also lower your refresh rate from Settings & GT to 60Hz; Displayed in motion smoothness ratio; 60 Hz refresh rate.Screen refresh rate changesWhile the S20 series phones all have 120Hz screens, that doesn't mean every app you use supports it. If you notice your device switching between 60Hz and 120Hz, there may be a lack of compatibility. However, this problem can also occur if the device overheats or if the battery is below 5%.Smart unlocking doesn't workSmart unlocking is one of the most useful features of Android, but for a number of reasons, it still fails. Make sure you remember your phone password, that your fingerprint is clean and matches the set fingerprint on your phone, and that the environment is bright. If the fingerprint scanner on your device doesn't recognize your prints, you can try these steps. First, if your phone is new, check carefully to see if the plastic screen protector has been removed. Next, clean your phone to remove any excess grease or stains that might interfere with the scanner. If it still doesn't work, delete your saved fingerprint and re-register for a new one. In general, this can solve the problem of fingerprints can not be identified.The Bluetooth device cannot connectIf your AirPods or other Bluetooth device doesn't connect, you may need to reset the Settings. Enter Settings & gt; Clear Bluetooth cache application in Bluetooth ratio, And click "Clear Cache". Then reconnect your Bluetooth headset.Notification not displayedAnother common problem with Galaxy S phones is the delay or lack of app push notifications, which don't show up on your lock screen. Typically, this is the result of the system's power-saving features built into Samsung's Galaxy S.At this point you can check if your app is in the "Battery Optimized" list and select the app ratio; Configure application ratio; Battery optimization ratio; All applications. In this feature, you can disable any app you don't want to receive notifications for, and start apps you want to receive notifications for.Other issues that need to be fixed or updatedWhile many of the common Galaxy S series problems can be solved by simple testing on their own, some problems are caused by software issues. You can check whether there is a new system update prompt on your mobile phone and update it as required.Of course, if something breaks on your Samsung Galaxy phone, you'll need a replacement. If your device can't charging quickly, it's a sign that you have a microphone problem or another hardware failure, and it's best to seek professional advice.Oriwhiz is a reliable Samsung repair parts supplier provides different repair parts for Samsung, if you would like to buy Samsung speaker replacement or other parts, please feel free to click on products category and select the product you want.