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Fix Samsung Galaxy S9 Plus with “Unfortunately, Calendar has stopped” error (easy steps)

The error message “Unfortunately, Calendar has stopped” on your Samsung Galaxy S9 Plus means that the default calendar application has crashed. The cause of the crash maybe a minor issue with the app itself or it could be just a symptom of a more serious firmware problem. The error message may show up when you open the calendar app or any app that uses the app. Other owners reported that calendar crashes whenever they enter a new entry but regardless how the error shows up, the problem remains the same and you have to do something about it.

In this post, I will walk you through in troubleshooting your Galaxy S9 Plus that’s plagued by this error message. I will share with you the solution I’ve been using to address this kind of problem. This isn’t the first time I encountered this error so I already know what works and what not. If you’re one of the owners of this device and are currently bugged by a similar issue, continue reading as this article may be able to help you one way or another.

But before anything else, if you have another issue with your phone, drop by our troubleshooting page as we have already addressed hundreds of issues reported by the owners. Odds are that there are already existing solutions on our website or at least, there are similar problems we already fixed. So, try to find ones that are similar or related to your problem. If you need further assistance, however, feel free to contact us by filling up our Android issues questionnaire.

How to deal with “Calendar has stopped” error on Galaxy S9 Plus

Generally, this problem is pretty minor and most of the time it’s an issue with the calendar itself. But as I said earlier, there’s a possibility that it’s just a symptom of a more serious firmware issues considering the fact that it’s a pre-installed application. You would know if it’s a minor or a serious problem depending on how your phone reacts to the following procedures…

Reboot your phone – before doing anything complicated, make sure you take a little time rebooting your phone especially if it’s the first time that you encountered this issue because it could be just a result of a glitch in the system. Glitches happen all the time and some applications may be affected by them but don’t worry, those glitches can actually be fixed by a reboot. Or better yet, try doing the forced restart by pressing and holding together the volume down and power keys for 10 seconds or more. After which, try to open the calendar app to see if the error still shows up and if it still does, then try the next step.

Run phone in safe mode – contrary to what others think that running the phone in safe mode would fix the problem, well it won’t. The purpose of this procedure is for us to know if the problem is caused by a third-party app or not. In safe mode, all third-party apps are temporarily disabled so if one of them is causing the issue, then you wouldn’t see the error when the phone is in that environment. In such case, the next thing you should do is find out which app causes the problem and uninstall it. However, if the error is still popping up while the phone is in safe mode, then the problem could be with the firmware.

Wipe cache partition – if the error started showing up after an update, it’s possible that some of the system caches got corrupted. While they’re small files, they will cause performance issues when they get corrupted or become obsolete. You cannot deleted a system cache individually but you can erased them all at once. You have to run your phone in recovery mode and wipe the cache partition from there. After which, the system will replace deleted caches with new ones. If the problem still occurs after this, then you have to do the next procedure.

Perform the master reset – this is the ultimate solution to any persistent app issues. After doing the previous procedures and the problem still keeps on happening, then backup all your files and data or those that you don’t want to lose and then reset your phone to bring it back to its factory settings. If you don’t know your google ID and password, it’s better to remove it from your phone prior to the reset so that you won’t be locked out.

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Please refer to the following instructions to perform the procedures I suggest above.

How to run phone in Safe mode

  1. Turn the device off.
  2. Press and hold the Power key past the model name screen appearing on the screen.
  3. When SAMSUNG appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.
  6. When Safe mode appears in the bottom left corner of the screen, release the Volume down key.

How to uninstall applications

  1. From the Home screen, swipe up on an empty spot to open the Apps tray.
  2. Tap Settings > Apps.
  3. Tap the desired application in the default list.
  4. To display preinstalled apps, tap Menu > Show system apps.
  5. Tap UNINSTALL > OK.

How to wipe cache partition

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  3. When the Android logo displays, release all three keys.
  4. An ‘Installing system update’ message will show for 30 – 60 seconds before the Android system recovery menu options appear.
  5. Press the Volume down key several times to highlight wipe cache partition.
  6. Press Power key to select.
  7. Press the Volume down key to highlight yes, them and press the Power key to select.
  8. When the wipe cache partition is complete, Reboot system now is highlighted.
  9. Press the Power key to restart the device.

How to perform the Master Reset

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  3. When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  4. Press the Volume down key several times to highlight ‘wipe data / factory reset’.
  5. Press Power button to select.
  6. Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  7. Press Power button to select and start the master reset.
  8. When the master reset is complete, ‘Reboot system now’ is highlighted.
  9. Press the Power key to restart the device.

I hope that this troubleshooting guide have helped you one way or another. If you have other concerns you want to share with us, feel free to contact us or leave a comment below.

Connect with us

We are always open to your problems, questions and suggestions, so feel free to contact us by filling up this form. This is a free service we offer and we won’t charge you a penny for it. But please note that we receive hundreds of emails every day and it’s impossible for us to respond to every single one of them. But rest assured we read every message we receive. For those whom we’ve helped, please spread the word by sharing our posts to your friends or by simply liking our Facebook and Google+ page or follow us on Twitter.

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How to fix Samsung Galaxy S9 with “Unfortunately, Calendar has stopped” error (easy fix)

The error message “Unfortunately, Calendar has stopped” is a notification that the default calendar app in your Samsung Galaxy S9 has crashed for some reason. It could just a minor app issue or a serious firmware problem since Calendar is one of the core applications that come with every Android device.

In this post, I will walk you through in troubleshooting your Galaxy S9 with Calendar that keeps crashing. We will try to look into every possibility and rule them out one by one until we can determine why this issue happens and formulate a solution that may fix it for good. So, if you’re one of the owners of this device and are currently bugged by a similar issue, continue reading as this post may help you one way or another.

For those who are looking for a solution to a different problem, drop by our troubleshooting page for we have already addressed some of the most common issues with this phone. Browse through the page to find issues that are similar with yours and use the solutions we suggested. If they don’t work for you or if you still need our help, contact us anytime through our Android issues questionnaire.

How to fix Galaxy S9 with “Calendar has stopped” error


We have encountered this problem several times in the past and more often than not we resolve those issues. It’s not really a serious problem but you may lose some of your calendar entries especially if your haven’t synced your phone with your Google account prior to this problem. Anyhow, here’s what you have to do about it:

First solution: Reboot your phone

A reboot should be the first thing you should do to try to fix this problem because it might be just a result of a minor glitch in the app or the firmware. So, hit the power key and restart your device and after which, open Email to know if the error still shows up or if it still crashes. If it still does, I suggest you try doing the Forced Restart:

  • Press and hold the volume down and power keys simultaneously for 10 seconds or until the phone reboots.

This procedure will simulate battery disconnect and refresh your phone’s memory by closing all apps, services and core functions. It’s still very effective in addressing issues that might have been caused by some glitches. However, if the app still crashes after this, then move on to the next step.

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Second solution: Reset Calendar

A reset means to clear the cache and data of the app you’re having problems with. If this is just an app issue, then the problem should be fixed by doing this procedure. This will delete the apps cache and data as well as some of the entries you might have not synced.

  1. From a Home screen, touch and swipe up or down to display all apps.
  2. From a Home screen, navigate: Settings > Apps.
  3. Tap App Manager.
  4. Locate then tap Calendar.
  5. Tap Storage.
  6. Tap CLEAR CACHE.
  7. Tap Cached data.
  8. Tap CLEAR.

This is the most effective solution to almost all app-related problems but then there’s no guarantee that it will work with all cases. So, in case the problem continues after this, then the next method will definitely fix the problem.

Third solution: Run phone in safe mode

This will tell you is the problem or the error is triggered by a third-party app or not. If the issue doesn’t occur in safe mode, then the next thing you should do is find out which app causes it and uninstall it.

  1. Turn the device off.
  2. Press and hold the Power key past the model name screen appearing on the screen.
  3. When SAMSUNG appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.
  6. When Safe mode appears in the bottom left corner of the screen, release the Volume down key.

Assuming that the problem is fixed in this environment, the next thing you should do is find out which of your apps is the culprit and once you suspect an app, uninstall it. Here’s how you do that:

  1. From the Home screen, swipe up on an empty spot to open the Apps tray.
  2. Tap Settings > Apps.
  3. Tap the desired application in the default list.
  4. To display preinstalled apps, tap Menu > Show system apps.
  5. Tap UNINSTALL > OK.

Determining what app is causing the problem is often a challenge to many users. So, you must uninstall apps that you recently installed first or those that you installed prior to the problem. If the problem continues after this or if the error continues to show up in safe mode, then try the next procedure.

Fourth solution: Wipe cache partition

This will rule out the possibility that this problem is due to corrupt system caches. Doing this will delete all the caches created by the system and replace them with new ones. It’s as effective as the reset but none of your files and data will be deleted, so it’s worth it. Here’s how you do it:

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  3. When the Android logo displays, release all three keys.
  4. An ‘Installing system update’ message will show for 30 – 60 seconds before the Android system recovery menu options appear.
  5. Press the Volume down key several times to highlight wipe cache partition.
  6. Press Power key to select.
  7. Press the Volume down key to highlight yes, them and press the Power key to select.
  8. When the wipe cache partition is complete, Reboot system now is highlighted.
  9. Press the Power key to restart the device.

If the error continues after this, then it’s time to reset your device.

Fifth solution: Master Reset

Before the reset however, make sure you backup all your files and data as they will be deleted during the process and you may not be able to retrieve them after that. After the backup, make sure you disable the Factory Reset Protection by removing your google account from your phone so that you won’t be locked out. Once everything is set, follow these steps to reset your phone:

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  3. When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  4. Press the Volume down key several times to highlight ‘wipe data / factory reset’.
  5. Press Power button to select.
  6. Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  7. Press Power button to select and start the master reset.
  8. When the master reset is complete, ‘Reboot system now’ is highlighted.
  9. Press the Power key to restart the device.

I hope that the problem with your device is fixed after this. If you have other concerns you want to share with us, feel free to contact us or leave a comment below.

Connect with us

We are always open to your problems, questions and suggestions, so feel free to contact us by filling up this form. This is a free service we offer and we won’t charge you a penny for it. But please note that we receive hundreds of emails every day and it’s impossible for us to respond to every single one of them. But rest assured we read every message we receive. For those whom we’ve helped, please spread the word by sharing our posts to your friends or by simply liking our Facebook and Google+ page or follow us on Twitter.

Posts you may also like to check out:

Galaxy S6 Edge won’t charge unless plugged in to a computer, other issues

S6 Edge OTG

Do you have problems with your #GalaxyS6 or Galaxy S6 Edge? Browsing through the issues below may give you some idea on what to do. If you can’t find a similar issue, you can head down to a list of other posts published before.

Below are the particular topics mentioned here today:

  1. Wet Galaxy S6 with call problems
  2. Galaxy S6 Calendar app “Unfortunately, Calendar has stopped” error
  3. Galaxy S6 Edge Plus touchscreen glitches
  4. Galaxy S6 Edge screen is black/not working
  5. Galaxy S6 Edge won’t charge unless plugged in to a computer
  6. Alpine headunit crashes when a call on Galaxy S6 is ending

If you are looking for solutions to your own #Android issue, you can contact us by using the link provided at the bottom of this page, or you can install our free app from Google Play Store.


 

Problem #1: Wet Galaxy S6 with call problems

Hello. my Samsung Galaxy S6 got wet 3 months ago. After a few days when I restarted it, everything worked except for the regular phone calls. Specifically this means:

  1. When I start a phone call I can’t hear the tone sound but the call is being made.
  2. When the other person answers he can’t listen to anything and I never know he picked up because I never hear anything.
  3. If I receive a phone call it would ring, but if I pick up I can’t hear anything and the other person can’t hear me.
  4. I can do WhatsApp calls without any problems (my understanding is that speakers and microphone work correctly)
  5. I can listen to music and the voicemail without problems.
  6. The problem persists even when I use headphones.

My conclusion is that is has to be some software problem, but I can’t find the solution anywhere…

Please help me if you have any ideas!

Thanks. — Patricia

Solution: Hi Patricia. If WhatsApp calls work normally, then that’s a good indication that the phone’s speakers and microphone are fine. We think that the problem with normal calls is software-related. A good way to test this theory is by doing a master reset. For easy reference, below are the steps how to do it:

  • Turn off your Samsung Galaxy S6 Edge.
  • Press and hold the Volume Up, Home and Power keys together.
  • When the device powers on and displays ‘Power on logo’, release all keys and the Android icon will appear on the screen.
  • Wait until the Android Recovery Screen appears after about 30 seconds.
  • Using the Volume Down key, highlight the option, ‘wipe data/factory reset’ and press the Power key to select it.
  • Press the Vol Down button again until the option ‘Yes — delete all user data’ is highlighted and then press the Power key to select it.
  • After the reset is complete, highlight ‘Reboot system now’ and hit the Power key to restart the phone.

Problem #2: Galaxy S6 Calendar app “Unfortunately, Calendar has stopped” error

I am having trouble with my calendar. I have always sent my Outlook entries to my personal phone to keep it accessible. I haven’t had a problem going into my Yahoo account and saving it to my calendar until a few weeks ago. When i go into the email, I click the attachment and select save. It then tells me that it has been saved to the device.  I swipe down where it confirms download complete, but when I click that It tells me “Unfortunately, Calendar has stopped.” I have confirmed everything is enabled and updated.  I have cleared my cache.  None of the suggestions I’m seeing have worked. Is there anything else that I can try before going to Verizon for a new device? — Stacey

Solution: Hi Stacey. Try doing a master reset. If there’s a bug at the firmware level causing this problem, resetting all phone settings to default might fix it.

You can also contact the technical support team of the apps involved to see if their app may be in conflict with the phone’s calendar app. For example, if a Yahoo email seems to trigger an error everytime you do a certain task, that can be an indicator that the Yahoo app (if you installed it) may be to blame.

You can also try to boot your device into safe mode and see how the calendar app behaves. If an issue fails to occur in safe mode, then you can safely assume that one of your apps is messing up with the system.

Problem #3: Galaxy S6 Edge Plus touchscreen glitches

Hello. I read online that i could email you and ask questions about phones glitching. Well my phone isn’t exactly glitching, but it is acting weird. The other day i was on Twitter and the refresh button was not working. I have a Galaxy S6 Edge Plus. The top left hand corner would not work for a while and then it would work again. The same thing happened to the bottom right hand corner of my screen when i was on Instagram. Also when I’m in my messages trying to hit my back button on the top left corner would not work. This has been happening for about a day and a half. I have turned my phone off and on. The problem still persists.

Also my auto caps is not working as well. Usually when i start a new sentence or hit the key that would be “enter”, the caps still will not turn on.

Thank you for your time, please let me know if there is anything i can do to fix this.

Greatly appreciated. — Keilah

Solution: Hi Keilah. Glitches sometimes occur after an operating system update. If you did download or installed an update before noticing the problem, make sure that you clear the phone’s system cache. To start, here are the steps:

  • Turn off the device.
  • Press and hold the following three buttons at the same time: Volume Up key, Home key, and Power key.
  • When the phone vibrates, release the Power key but continue to press and hold the Volume Up key and the Home key.
  • When the Android System Recovery screen appears, release the Volume Up and Home keys.
  • Press the Volume Down key to highlight ‘wipe cache partition.’
  • Press the Power key to select.
  • When the wipe cache partition is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to restart the device.

If the glitches aren’t eliminated after wiping the cache, you can also delete the cache and data of the apps involved. Here’s how:

  • Go to Settings.
  • Proceed to Applications.
  • Select Manage Applications.
  • Tap the All tab.
  • Choose the name of the app that has been going rogue.
  • From there, you will see the Clear Cache and Clear Data buttons.

Clearing the data of an app is the virtual equivalent of uninstalling and re-installing it. You have to sign in again to your accounts after doing the procedure. If nothing changes, your last resort is factory reset (steps provided above).

Problem #4: Galaxy S6 Edge screen is black/not working

Hi guys. I have a Samsung Galaxy S6 Edge. A few months back it experience the SOD and i managed to reboot. A few weeks back, it fell and the screen was cracked, and started showing green and pink lines on the side, especially at night when the sleep mode is on, but the phone was still functional.

Last evening, it ran out of charge, and when i charged the phone, it won’t turn back on. Now here is the weird part; i rebooted the phone, it won’t turn back on. I tried again and the phone was back on, i could hear my messages and phone calls and even my alarm went off but the screen is still black. So now the only way i can read my messages is from the sides of the phone at night when it shows time on the sides.

Please i need your assistance. Thanks. — Ziada

Solution: Hi Ziada. An issue like this is best resolved by technicians rather than by us. There clearly is a display issue, which means that a hardware component has failed. Unless you are equipped to fix it yourself, there’s just nothing that can be done on your end. The usual dose of software troubleshooting can’t replace a defective screen or digitizer. Kindly send the phone to a reputable shop for repair. Samsung may fix the phone but it’s surely going to be not a free one. We recommend that you let Samsung do the screen repair or replacement though.

Problem #5: Galaxy S6 Edge won’t charge unless plugged in to a computer

Hi there. I saw your contact details on a forum and was wondering if you could help me.

I went to bed last night and my phone had 2%. I woke up this morning, and my phone was dead even though it had been plugged in to my charger for 7 hours. I thought it could be the charger. However the same charger charged up my Samsung tablet yesterday without any problem. I then tried another charger I have at work (just to double check) and this didn’t work either. I then tried plugging it in to the computer via USB to back up my photos and this charged it (slowly but surely). However, the PC cannot recognize the device so I am unable to access the phone via PC.

I then saw your instructions to try it in the safe mode, but this isn’t working either. I would do a factory reset but I have hundreds of photos of my niece on my phone that I stupidly haven’t backed up. Before I send it off to get fixed – is there anything else I can try? I am assuming it is a problem with the charging on the phone rather than the cables themselves.

Thanks in advance. — Nicola

Solution: Hi Nicola. You’re right. This clearly isn’t a physical cable issue but most probably a software-related one. If you did not install a custom recovery like TWRP, there’s just no other way to back up your personal data if you can’t get the phone to boot normally or in safe mode.

One good thing to try is to leave the phone charged via a computer as long as possible, then boot it up normally (if possible). If the phone works or boots up, make sure to toggle off USB debugging option if you turned it on previously. Some users from other forums reported to have fixed the charging issue by doing this.

If nothing works though, we recommend that you go ahead with the phone replacement request. Unfortunately, that also means losing youir personal data because there’s just nothing that we can do to recover them.

Problem #6: Alpine headunit crashes when a call on Galaxy S6 is ending

Hi. I hope you can help with this problem that I just cannot seem to solve!

My Galaxy S6 is crashing my Alpine CDE-183BT headunit in my car. This happens when using the hands free Bluetooth calling, more specifically, when the call finishes, the headunit factory resets. It doesn’t happen on all calls, but about 75% of them I would say. There are never any problems when I am actually on the call, only when the call ends it will crash my headunit and send it into a factory reset. 

This has happened on different software versions of Android.

There isn’t a Bluetooth update available for my head unit. I have spoken with Alpine and they’ve never heard of this problem and haven’t made any suggestions to solve it.

I have tried changing the device name of the headunit on my phone to remove any special characters, but it hasn’t made any difference.

It happens both when using the preloaded Android ‘Car’ app, and also when not using this app.

I noticed the other day as well, that it happened when a friend tried to call me via WhatsApp. I ignored the call and didn’t answer. When the phone had stopped ringing, it again crashed my headunit and I had to pull over and re do all the settings on my headunit (repair phone etc.)

Streaming music via Bluetooth from my phone works absolutely fine and I’ve never had any problems at all with this. — Daniel

Solution: Hi Daniel. We are dealing with two devices here so your first task is to identify which of them is causing the problem. You can start by troubleshooting your Android phone. First, wipe its cache partition (steps provided above). Once the system cache has been refreshed, delete old Bluetooth pairing to your headunit and re-pair them. If nothing changes, do an S6 factory reset and observe again. After a master reset, do not install any third party apps unless you can test the Bluetooth connection to the headunit. If the issue remains after that, then that’s a clear sign that the head unit itself may have some firmware issues.

The headunit is just like any other electronic or digital device today and can suffer from firmware glitches. Make sure to talk to your Alpine dealer for a replacement.

 


 

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