Yesterday while i was writing an sms phone was frozen and worked extremely slowly and white led dot was working even when screen was open so i pushed off button to reboot nothing happened i hold it several times up to 20 seconds it wont turned off so i took off the battery then put it again and when i press on button the white led dot doesnt work and there just appears nokia logo and after few seconds it turned into black while appearing like broken pixels i flashed rootfs image today but same thing is happening pls someone if can help me.