M21

[DiwakarDubey]

After updating to new software update my m21 got hanged when incoming call came and on disconnecting it got freeze 

Very much disappointing when call in coming and you can't pick or cut 

[DiwakarDubey]

I can't get your words

[Anonymous]

Reset device then you won't face problem

[DiwakarDubey]

Okay sure

[JayM21]

I have not face this issue , may be it is not due to update , check in safe mode

[DiwakarDubey]

I didn't install app after update no new data since update installed this problem raised

[Lekshmanan]

Do Factory Reset

[Samsung_Support2]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We apologize for your inconvenience. To resolve your device hanging issue please visit this link: https://www.samsung.com/in/support/mobile-devices/how-to-restart-the-device-when-freezed-or-hanged/   

For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Thank you for writing to Samsung.

Warm Regards, 
Samsung Customer Support