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Hi Friends,
I have a xperia Z2 cell phone. When my cell phone is in sleep mode and someone calls me by viber it does not ring and does not wake my phone up so when i wake it up , i have missed call. please let me know if anyone khow about this problem.
Solved! Go to Solution.
Just add viber in "Active in standby" in the stamina mode settings
Disable stamina or whitelist viber.