Annoying "Activate Stamina mode" notification appears every couple of days on my Xperia Z2. I went to Settings>Apps, found the Stamina app and unchecked the notifications tab. However, it keeps appearing. Restarted the phone and also wiped the cache, still nothing. Anyway how to remove it? I read about Titanium Backup and Turn Off Notifications apps, but I can't use them, since my phone is not rooted. Any suggestions? Thank you.
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