Press and hold the Power Button on the TV panel (not the remote) and plug the power cord in.
The software will automatically pull data from Part 2 to create the final .bin or .img file. 📥 How to Install the Firmware
Double-check the sticker on the back of your screen panel to ensure the MS338 PC821 matches your hardware.
💡 If you can't find Part 2 on the original site, check forums like LaboneIT , KazmiElecom , or GSM-Forum , as they frequently host these specific Changhong Ruba files. If you'd like, let me know:
Ensure your TV is the 1920x1080 version. Installing 4K firmware on an FHD screen can "brick" the board. Power Stability: Do not turn off the TV during the update.
Use a drive 8GB or smaller, formatted to FAT32 .
Press and hold the Power Button on the TV panel (not the remote) and plug the power cord in.
The software will automatically pull data from Part 2 to create the final .bin or .img file. 📥 How to Install the Firmware
Double-check the sticker on the back of your screen panel to ensure the MS338 PC821 matches your hardware.
💡 If you can't find Part 2 on the original site, check forums like LaboneIT , KazmiElecom , or GSM-Forum , as they frequently host these specific Changhong Ruba files. If you'd like, let me know:
Ensure your TV is the 1920x1080 version. Installing 4K firmware on an FHD screen can "brick" the board. Power Stability: Do not turn off the TV during the update.
Use a drive 8GB or smaller, formatted to FAT32 .
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