Sally Denton

It seems that you device has stuck in boot loop. The most common and popular method is hard resetting your device.But it seems that hard resetting has not worked for you.So, try flashing your device after downloading the correct firmware file for your device. Since you have bought the device from Thailand you need to check if the device is using and international firmware or country specific firmware.Here you can have complete guide ++samsungodin.com++