Lenovo k4 note Boot issue

[XPERIAM4]

Hello All,
My lenovo k4 note it is keep rebooting into lenovo logo and nothing boot into recovery or system.
i have unlocked device and change recovery to twrp and flash viperOS. but after rebooting i am facing this issue.
whenever i power on device i see lenovo logo and mobile keep rebooting and again see lenovo logo.
i unplugged battery for full day but issue is same.

please help me to resolve this bootloop issue.

Thank you
Prashant

 

[pakerjaya51]

Use Reboot Manager(*ROOT*)
Its work for me to shutdown my device, but the device must be rooted