My LG TV is stuck on a screen that says- TV Software Upgrade / UART DOWNLOAD / 1. Connect cable 2.Start '1K XMODEM' in HyperTerminal- I have no clue what this means or how to resolve this

You can't do any of that without a remote, but you can easily buy a Facsimile Remote which is a copy of the original.

https://www.fixya.com/support/r29872378-universal_remotes_no_facsimile_remote

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Make sure that usb driver and GMobileSupportTool is installed on your PC.
1. Download Lg Mobile Support Tools using the link below:
http://tool.lime.gdms.lge.com/client/app/LGMobileSupportTool.exe
2. Execute downloaded file. Follow installation instructions. After executing LG Mobile Support Tool in Step2, you can download USB Driver:

3. Connect your phone to PC by using the bundled USB Cable
4. Click start updating

The phone software upgrade stopped before completion?

1. Don't close the update tool, disconnect the cable and reconnect it. And check the USB Driver connection on our PC. After that, please restart the update.
2. Otherwise, please select "Customer Support"-"Recovery Phone" in LG MOBILE SUPPORT TOOL. Then, you can start to recover your phone.

The unlock code for every individual mobile phone is unique and based upon the IMEI number of the device. You can visit ClassicUnlocking.com submit the required details and get the accurate unlock code at affordable cost. Good luck.

-<()>--<()>--<()>--<()>--<()>--<()>--<()>-
..............UNLOCKING INSTRUCTIONS..............
-<()>--<()>--<()>--<()>--<()>--<()>--<()>-

f your Huawei Device is a mobile phone:
1.Switch on your Huawei Phone using another networks SIM card.
2.Your phone should ask for an unlock code(NCK Code).
3. Enter the unlock code we sent you.


If your Huawei Device is an USB modem, please follow these instructions:
If your modem software asked for an unlock code when you tried using another network's SIM card, directly enter the unlock code we sent you when prompted by the software.

Otherwise try one of the following
Method 1:
This method requires your PC to have a software called Hyperterminal which can be found on the Start Menu in Windows XP, 2003 and other older versions of Windows:
Start - > Programs -> Accessories - > Communications - > Hyperterminal
1.Remove all other modems, printers and other devices connected to your PC other than your monitor, keypad and mouse.
2.Start your pc, connect your USB modem and open Hyperterminal.
3.Enter any name and select any icon and click OK to continue.
4.Set Connect using to your modem port, Huawei Mobile Connect - 3G Modem or the right COM port.
5.In the properties window that opens, without changing any values, click OK to continue.
6.Type the following command(replace the word UnlockCode with the unlock code we sent you):
AT^CARDLOCK=UnlockCode
and press enter.
7.Your modem should now be unlocked. Close Hyperterminal, disconnect your modem and connect it again.

Method 2:
Use this method if Method 1 does not work or if you are not able to follow method 1.
If your PC does not have Hyperterminal or if your using Windows Vista or Windows 7 you can use the following method.
1.Download our Modem Communicator Application. This application has been scanned by Mcafee and contains no virus. For your safety, please scan the application again after you download it.
2.Switch off your PC, remove all other modems, printers and other devices connected to your PC except your monitor, keypad and mouse.
3.Start your pc, connect your USB modem and open the application you downloaded(mc.exe).
4.Click on the Check for Ports button and wait for the response.
5.Click on the Check for Modems button and wait for a response.
6.Click on the Send AT Command button and make sure you get the response "OK".
7.In the text-box next to the Send User Command button, type the following command(replace the word UnlockCode with the unlock code we sent you):
AT^CARDLOCK=UnlockCode
8.Click on the Send User Command button.
9.Your modem should now be unlocked. Close the application(Modem Communicator), disconnect your modem and connect it again.

Hi. You can unlock your Huawei E5331S-2 safer and easier using unlock code. You can get the unlock code for a Huawei E5331S-2 from SimpleUnlocking.com at affordable cost.

-<()>--<()>--<()>--<()>--<()>--<()>--<()>-
..............UNLOCKING INSTRUCTIONS..............
-<()>--<()>--<()>--<()>--<()>--<()>--<()>-

If your Huawei Device is a mobile phone:
1.Switch on your Huawei Phone using another networks SIM card.
2.Your phone should ask for an unlock code(NCK Code).
3. Enter the unlock code we sent you.


If your Huawei Device is an USB modem, please follow these instructions:
If your modem software asked for an unlock code when you tried using another network's SIM card, directly enter the unlock code we sent you when prompted by the software.

Otherwise try one of the following
Method 1:
This method requires your PC to have a software called Hyperterminal which can be found on the Start Menu in Windows XP, 2003 and other older versions of Windows:
Start - > Programs -> Accessories - > Communications - > Hyperterminal
1.Remove all other modems, printers and other devices connected to your PC other than your monitor, keypad and mouse.
2.Start your pc, connect your USB modem and open Hyperterminal.
3.Enter any name and select any icon and click OK to continue.
4.Set Connect using to your modem port, Huawei Mobile Connect - 3G Modem or the right COM port.
5.In the properties window that opens, without changing any values, click OK to continue.
6.Type the following command(replace the word UnlockCode with the unlock code we sent you):
AT^CARDLOCK=UnlockCode
and press enter.
7.Your modem should now be unlocked. Close Hyperterminal, disconnect your modem and connect it again.

Method 2:
Use this method if Method 1 does not work or if you are not able to follow method 1.
If your PC does not have Hyperterminal or if your using Windows Vista or Windows 7 you can use the following method.
1.Download our Modem Communicator Application. This application has been scanned by Mcafee and contains no virus. For your safety, please scan the application again after you download it.
2.Switch off your PC, remove all other modems, printers and other devices connected to your PC except your monitor, keypad and mouse.
3.Start your pc, connect your USB modem and open the application you downloaded(mc.exe).
4.Click on the Check for Ports button and wait for the response.
5.Click on the Check for Modems button and wait for a response.
6.Click on the Send AT Command button and make sure you get the response "OK".
7.In the text-box next to the Send User Command button, type the following command(replace the word UnlockCode with the unlock code we sent you):
AT^CARDLOCK=UnlockCode
8.Click on the Send User Command button.
9.Your modem should now be unlocked. Close the application(Modem Communicator), disconnect your modem and connect it again.

Hi, You can get the unlock code for a Huawei U8652 Fusion from www.unlocking4u.com/huawei-fusion-u8652/rs6wp9/ at affordable cost.
Here are the steps for unlocking a Huawei U8652 Fusion,
Method 1:
This method requires your PC to have a software called Hyperterminal which can be found on the Start Menu in Windows XP, 2003 and other older versions of Windows:
Start - > Programs -> Accessories - > Communications - > Hyperterminal
1.Remove all other modems, printers and other devices connected to your PC other than your monitor, keypad and mouse.
2.Start your pc, connect your USB modem and open Hyperterminal.
3.Enter any name and select any icon and click OK to continue.
4.Set Connect using to your modem port, Huawei Mobile Connect - 3G Modem or the right COM port.
5.In the properties window that opens, without changing any values, click OK to continue.
6.Type the following command(replace the word UnlockCode with the unlock code we sent you):
AT^CARDLOCK=UnlockCode
and press enter.
7.Your modem should now be unlocked. Close Hyperterminal, disconnect your modem and connect it again.

Method 2:
Use this method if Method 1 does not work or if you are not able to follow method 1.
If your PC does not have Hyperterminal or if your using Windows Vista or Windows 7 you can use the following method.
1.Download our Modem Communicator Application. This application has been scanned by Mcafee and contains no virus. For your safety, please scan the application again after you download it.
2.Switch off your PC, remove all other modems, printers and other devices connected to your PC except your monitor, keypad and mouse.
3.Start your pc, connect your USB modem and open the application you downloaded(mc.exe).
4.Click on the Check for Ports button and wait for the response.
5.Click on the Check for Modems button and wait for a response.
6.Click on the Send AT Command button and make sure you get the response "OK".
7.In the text-box next to the Send User Command button, type the following command(replace the word UnlockCode with the unlock code we sent you):
AT^CARDLOCK=UnlockCode
8.Click on the Send User Command button.
9.Your modem should now be unlocked. Close the application(Modem Communicator), disconnect your modem and connect it again.

There are two things that can cause this:

1. Incorrect serial settings. The default settings are 9600 baud, stop bits of 1, and parity 0. However, it is possible that these settings were changed. Likely, the baud setting may be higher as someone may have tried to XMODEM an IOS image onto the device and wanted faster speeds.
2. Bad connection, cable

I hope this answers your question.

You have lost your original remote and got into this by pressing info select and the option 7 UART Download. Happened to my 95 year old aunt in assisted living. You will need the original remote and simply hit (EXIT) or another LG branded remote that has the (ROUND RETURN BUTTON) on the left. Once you accidently get in to this, I have not found a universal Zenith remote that can get you out even though Channel up/down and basic funtions work.Bud retired Bud's TV Service.

I have no idea what it means for a Senao to "go to Realtek."
Here is the factory reset procedure for the Senao EOC-3220:

An RS-232 null modem serial cable is required for this procedure.

1. Connect the EOC-3220 to your computer with a null modem serial cable.

2. Start a HyperTerminal session: Click Start and then select Programs -> Accessories -> Communications -> HyperTerminal.

3. After the HyperTerminal window appears:

a. Give this new connection a name. Ex: EOC-3220.

b. Select correct COM port. Ex:COM1.

c. Set baud rate as "38400", data bits "8", parity "none", stop bits "1", and flow control as "None". Then press "OK" to bring up the HyperTerminal window.

4. Wait until the "#" is displayed in the HyperTerminal window.

5. Type "flash reset", then hit enter.

6. Type "reboot", then hit enter. After the device reboots, all settings will be at factory default.

Dear Venmattey,
please follow these steps, it works:

1. Connect the EOC-3610 to your computer with a null modem serial cable.

2.Start a HyperTerminal session: Click Start and then select Programs-> Accessories -> Communications -> HyperTerminal.

3. After the HyperTerminal window appears:
a. Give this new connection a name. Ex: EOC-3610.
b. Select correct COM port. Ex:COM1.
c.Set baud rate as "38400", data bits "8", parity "none", stop bits "1",and flow control as "None". Then press “OK” to bring up theHyperTerminal window.
d. Unplug the power on the POE injector and wait 5 seconds then plug the power back in.

4. Wait until the "#" is displayed in the HyperTerminal window.

5. Type "flash reset", then hit enter.

6. Type "reboot", then hit enter. After the device reboots, all settings will be at factory default.

NEW: Keenan Systems has written a software that will soft reset the 3610 series back to factory reset. Thisfree software is provided "AS IS" by Keenan Systems and is notsupported or guaranteed by EnGenius Technologies. Use at your own risk.

Be Happy Always

Regards

You must use the RS-232 serial cable using terminal emulation software such as Microsoft HyperTerminal. Connect the cable from your computer to the console port on the DSL-500 or DSL-504. Step 1: Go to Start>Programs>Accessories>Communications>Hyperterminal. Step 2: Enter a name for your connection and choose the default icon selected. Step 3: Select a COM port (usually 1 or 2) and click OK. Step 4: The terminal parameters will need to be set to as follows: Step 5: At the command prompt type isfs cat inituser and press enter. You will now see the username and password.