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To add to what Eric said, while in the Application Manager settings, after clearing the cache for com.sec.imsservice, you can also uncheck the "Show Notifications" box. This should also greatly reduce the annoying notices. By the way if you access the Application Manager without going into Safe Mode, you may want to execute a Force Stop on the application(s) first, otherwise the cache may not be able to be cleared because it will be greyed out.I had the same problem. To fix it simply go to Settings > Applications > Application Manager > All Applications and then clearing the caches first for Contacts and then com.sec.imsservice. I found it much easier to do by first booting the phone in Safe Mode. This will keep you from continuously being interrupted from the alert message. To boot in Safe Mode turn the phone off, then turn the phone back on. When the Samsung logo appears during the booting process, hold the volume down button until the phone boots up. You should notice Safe Mode at the bottom of the screen. When your done, restart your phone to exit Safe Mode.
If you power up in safe mode then go you settings>applications>applications manager>all apps> com.sec.imservices and clear the cashe then do the same for contacts it clears the problem.Is anyone else having the issue, Unfortunately, com.sec.imsservice has stopped., after Lollipop update on Galaxy S5?
Thank you so very much! I signed in here just to let you know how grateful I am that youn posted this. An easy fix that worked!!!I had the same problem. To fix it simply go to Settings > Applications > Application Manager > All Applications and then clearing the caches first for Contacts and then com.sec.imsservice. I found it much easier to do by first booting the phone in Safe Mode. This will keep you from continuously being interrupted from the alert message. To boot in Safe Mode turn the phone off, then turn the phone back on. When the Samsung logo appears during the booting process, hold the volume down button until the phone boots up. You should notice Safe Mode at the bottom of the screen. When your done, restart your phone to exit Safe Mode.
I had the same problem. To fix it simply go to Settings > Applications > Application Manager > All Applications and then clearing the caches first for Contacts and then com.sec.imsservice. I found it much easier to do by first booting the phone in Safe Mode. This will keep you from continuously being interrupted from the alert message. To boot in Safe Mode turn the phone off, then turn the phone back on. When the Samsung logo appears during the booting process, hold the volume down button until the phone boots up. You should notice Safe Mode at the bottom of the screen. When your done, restart your phone to exit Safe Mode.
Is anyone else having the issue, Unfortunately, com.sec.imsservice has stopped., after Lollipop update on Galaxy S5?
There's a very good tutorial at the link below on how to downgrade back to 4.4.4 for those interested.
http://forums.androidcentral.com/sa...wngrade-samsung-galaxy-s5-5-0-4-4-kitkat.html

Hey Crystal, after screaming out loud and uninstalling apps that I thought might be causing my problem I read your post and as much as I love the "you mail" app, I uninstalled it and so far It's done the trick. Finally!! Thank God!! Thanks for your post! Take care!I had the same problem done a factory reset and that took care of the problem til I downloaded You Mail and was getting the same error again. Uninstalled the app and haven't had any problems since.