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Since I installed Lollipop on my Galaxy S5, my phone is trying to reboot itself randomly approximately once a week. But it gets stuck on the boot-up logo screen then, only showing the word SAMSUNG there.

If I don't do anything about it, the display is lit up with the logo, until the battery is completely emptied (the battery-graph will show a gap for that time later, not telling me what could have happened). This is especially very annoying at night, since I use my phone as an alarm-clock ;)

Does anyone have suggestions about it? Anything to disable that may cause these spontaneous reboot-attempts?

  • The phone is not branded
  • I did not root it
  • I already tried to 'factory-reset' my device
  • Everything worked fine prior the Lollipop-Upgrade
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After several weeks of trial and error, I might have found a workaround or possible solution:

If you can get on without certain compulsory-apps, that came to your phone with Samsung's Edition of Android, you should consider disabling the following services in Android application manager:

  • S Health
  • S Voice
  • Samsung Account
  • Samsung Galaxy
  • Samsung Link Platform
  • Samsung Link Platform Connectivity
  • Samsung Push Service
  • Unified Daemon

Note, that if you disable 'Unified Daemon' and 'Samsung Push Service', 'Samsung-Account' and other Samsung-features also won't work properly any more. Keep in mind, that 'Geo News' also depends on the 'Unified Daemon'! Samsung's backup-/restore-features are negatively affected, if you disable one of the 'Link Platform'-services, but Android's features still work as expected!

The list above contains apps/services, that (for me) are highly suspicious of causing the described problem, but for the sake of completeness, here's the complete list of apps/services, I have disabled (not uninstalled - since this would require root-access):

  • ANT Radio Service
  • ANT+ Plugins Service
  • b2b.hrs.android.lib
  • BlurbCheckout
  • ChatON
  • de.pizza.lib
  • Group Play
  • S Beam
  • S Health
  • S Planner
  • S Voice
  • Samsung Account
  • Samsung Apps
  • Samsung Billing
  • Samsung Galaxy (I don't actually know, what this one does, but the phone does not need it to work properly)
  • Samsung GALAXY Apps Widget
  • Samsung Link Platform
  • Samsung Link Platform Connectivity
  • Samsung Print Service Plugin
  • Samsung Push Service
  • Smart Remote
  • TalkBack
  • Unified Daemon

In the last 3 weeks, the problem never occurred again - and I'm not missing any of the features above. As a positive side-effect, there are no more lags or hangs on my phone any more...

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