Substitute Brand Hass Classpro Smart LED Tv Substitute Model HK65US311 Problem Solution: LED TV Stuck On Main Logo LED TV Freez and Stuck Not Coming on main Window Remote Control Stop Working Restart LED TV During Working Update Version for old firmware For this kind of problems you need to install Fresh Firmware Firmware Available and it's cost 15 USD In Pakistani Currency it's Cost 4500 Contact Imran Ashraf +923139292880 Main board MSD638JSM V6.0 1G 8G This software is a brand of UHD Android smart led TV Resolution 3840*2160 4K Rem 1GB Rom 8GB And this is the Usb Updatable Firmware To update: this software, copy the MstarUpgrade.bin file into the FAT32 formatted USB and connect it to the TV Press and hold the power button with the side touch button and put the main power Note: Before purchasing any software, please check the number of RAM and ROM and emmc Flash