first try to boot into safemode .if you able to booted successfully means , uninstall all the apps which are those recently installed . then restart the phone .
if phone boots into normal mode, problems solved .
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if phone not able to boot into safemode means , then you do clear cache partition , then restart the phone .
if phone boots into normal mode, problems solved .
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at last solution reset the phone if possible , if you free its ok.
but reset will deletes all datas in phone memory.
I dont have your phone model , but i have used zenphone 2 laser
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