How to Fix the "Connection Problem or Invalid MMI Code" Error on Android
Getting an error every time you enter an MMI code? Here's what you can do to fix it.
Readers like you help support MUO. When you make a purchase using links on our site, we may earn an affiliate commission. Read More.
latest
9 Ways to Fix the "Emergency Calls Only" Error on Android
Not able to make or receive calls on your Android phone? Here's how to solve the "Emergency Calls Only" problem.
3 Ways to Recover Deleted Photos on Any Android Device
Deleted some important pictures from your Android phone's gallery by mistake? Here's how to restore deleted photos using a few methods.
Does Your Android Phone Keep Restarting? 7 Ways to Fix It
If your Android phone restarts constantly, it might be a dodgy app, an overheating issue, or something else entirely. Here's how to troubleshoot it.
How to Stop Google Maps Activating "Do Not Disturb" on Android While Driving
Google Maps sets your Android phone to Do Not Disturb when you're driving. But this isn't always convenient. Here's how to disable DND in Google Maps.
How to Fix the Google Apps Crashing on Android
Here are nine ways to stop the Google apps from constantly crashing on your Android phone.
7 Ways to Fix the Android "Google Keeps Stopping" Error
The "Google keeps stopping" error pops up constantly until it is fixed. Follow these steps to stop it happening again.
Android Touchscreen Not Working? 7 Tips, Fixes, and Workarounds
Is your Android device's touchscreen not working? Here are several tips to fix a broken touchscreen or work around it.
Got Pop-Up Ads on Android? How to Spot and Remove Them
Are you seeing unwanted pop-up ads on Android? Here's how to stop pop-up ads on your Android phone home screen.
Android Notifications Not Showing Up? 10 Fixes You Can Try
Not seeing notifications show up on your Android phone? Try these fixes to get Android notifications working again.
7 Reasons Why Wi-Fi Internet Is Slow on Your Phone
Why is Wi-Fi so slow on your phone? Here are seven ways to speed up slow internet on your Android phone or iPhone.
Why Your Android Phone Won't Connect to Your PC: 9 Fixes
If your Windows or Mac computer won't recognize your Android phone over USB, here's how to fix the problem.
Android Won't Connect to Windows Over ADB? How to Fix in 3 Easy Steps
Is ADB not detecting your device? When Android is unable to connect to ADB, here's how to fix it and get connected again.
Text Messages Showing Phone Numbers Instead of Names on Android? How to Fix It
Have your text messaging apps stopped showing the name of the message sender? Here's what you can do to fix the problem.
Forgot Your Android Passcode? 5 Ways to Get Back In
Forgot your Android passcode? Here are several methods to help you get back into your Android phone when you don't know your PIN.
Android Phone Speakers Not Working? 7 Tips and Fixes to Try
Did your Android phone's speakers stop working? Here are some tips and fixes to get your sound working properly again.
Why Your Android Phone Is Overheating (And How to Fix It)
Is your Android phone overheating? Here's why your phone gets hot, how to cool it down, and keep it from heating up again.
Is Your Phone Display Flickering? Try These 7 Fixes
Has your smartphone display started flickering or glitching? Work through these steps to get everything back to normal.
Why Is Android Auto Not Working? 8 Troubleshooting Fixes
Has Android Auto stopped working or won't connect to your car? These Android Auto troubleshooting steps will fix the problem.
Tablet Touchscreen Not Working? 8 Tips to Fix Touch Problems
Unresponsive tapping, swiping, or zoom-pinching? Here's why your tablet touchscreen stopped working and how to fix it.
Microphone Not Working on Your Android Phone? How to Fix It
If you can't get any sound from your Android device's microphone or it sounds distorted, you need to fix your mic. Try these solutions.