My m21 phone 2yr old and stucked at samsung logo.I goes to service center they told me it cost 6000 change mother board . I told him that my phone not used a bit 1 to 3 hours in a day cz my father didn't use much. But they denies to do free or any d...

My m21 phone 2yr old and stucked at samsung logo.I goes to service center they told me it cost 6000 change mother board . I told him that my phone not used a bit 1 to 3 hours in a day cz my father didn't use much. But they denies to do free or any d...