Digital channel mix up

Just go to your TV settings and just do a full reinstall ,like the day you brought your TV ,below is from the web site your tv will work hope this will help.
The Freeview TV guide is being updated on Wednesday, 3 September 2014 to create extra capacity for new services. As a result, Children's and News channels will move to new channel numbers.
• The Children's genre will move from channel numbers in the 70s to start at 120
• The News genre will move from channel numbers in the 80s to start at 130
To update their guide viewers simply need to retune their Freeview TVs and digital recorders or boxes where equipment does not pick up the changes automatically. On-screen messages will prompt viewers to retune late afternoon 3 September 2014 onwards.
Viewers who don't retune will not lose channels - services will remain accessible at their old numbers. However, Digital UK and Freeview recommend viewers retune from time-to-time to ensure they have access to all available services in their area.

It sounds like the TV has re-mapped the channels incorrectly. You possibly can contact Toshiba to see if there is a firmware/software upgrade that will fix this issue. If there is you may be able to download the software off of their website and install yourself. Just make sure if that is the case follow the directions carefully. Please take a few moments to rate my answer. Thanks..

You may lose some channels when you retune the TV as the channels have been rearranged. To locate them look at the EPG although you may still find that some channels are no longer available on FREEVIEW. See the following link for additional information

http://www.freeview.co.uk/_retuneinfo/

If the above process does not work then check the link above for additional information and also visit the accompanying site links below to find more information for your model of TV / FREEVIEW box.

For troubleshooting the retune procedure visit http://tvretune.co.uk/troubleshooting/

For specific model information visit
http://tvretune.co.uk/productmanuals

You may lose some channels when you retune the TV as the channels have been rearranged. To locate them look at the EPG although you may still find that some channels are no longer available on FREEVIEW. See the following link for additional information

http://www.freeview.co.uk/_retuneinfo/

If the above process does not work then check the link above for additional information and also visit the accompanying site links below to find more information for your model of TV / FREEVIEW box.

For troubleshooting the retune procedure visit http://tvretune.co.uk/troubleshooting/

For specific model information visit http://tvretune.co.uk/productmanuals/

You may lose some channels when you retune the TV as the channels have been rearranged. To locate them look at the EPG although you may still find that some channels are no longer available on FREEVIEW. See the following link for additional information

http://www.freeview.co.uk/_retuneinfo/

If the above process does not work then check the link above for additional information and also visit the accompanying site links below to find more information for your model of TV / FREEVIEW box.

For troubleshooting the retune procedure visit http://tvretune.co.uk/troubleshooting/

For specific model information visit http://tvretune.co.uk/productmanuals/

You may lose some channels when you retune the TV as the channels have been rearranged. To locate them look at the EPG although you may still find that some channels are no longer available on FREEVIEW. See the following link for additional information

http://www.freeview.co.uk/_retuneinfo/

If the above process does not work then check the link above for additional information and also visit the accompanying site links below to find more information for your model of TV / FREEVIEW box.

For troubleshooting the retune procedure visit http://tvretune.co.uk/troubleshooting/

For specific model information visit
http://tvretune.co.uk/productmanuals

You may lose some channels when you retune the TV as the channels have been rearranged. To locate them look at the EPG although you may still find that some channels are no longer available on FREEVIEW. See the following link for additional information

http://www.freeview.co.uk/_retuneinfo/

If the above process does not work then check the link above for additional information and also visit the accompanying site links below to find more information for your model of TV / FREEVIEW box.

For troubleshooting the retune procedure visit http://tvretune.co.uk/troubleshooting/

For specific model information visit http://tvretune.co.uk/productmanuals/

Just got through to Samsung support. Turns out the freeview card had frozen and needed a reset. To do this put tv on standby. then press in serries these buttons on the remote: 'info' 'menu' 'mute' 'power' TV will then turn on with a default screen. Press 'arrow down' button untill you reach option 12 'reset' . then push the 'right arrow' and tv will reset and start in plug and play mode and commence a scan when you've set the time. Just retuned mine and its back to normal. Hoorah!!! :-)

The retuning process is as follows:

1. Press the [i+] or MENU button on the remote control to display the DIGITAL INFO menu.
2. Press the BLUE button to display the MAIN MENU.
3. Press the UP or DOWN buttons to highlight AUTO TUNING then press the OK button to display the AUTO TUNING MENU.
4. Press the RED button to start the auto tuning process for all available digital channels.
5. Wait for the process to complete.

If you wish to CANCEL the auto tuning process whilst it is processing then press the BLUE button at any time.

You may lose some channels when you retune the TV as the channels have been rearranged. To locate them look at the EPG although you may still find that some channels are no longer available on FREEVIEW. See the following link for additional information

http://www.freeview.co.uk/_retuneinfo/

If the above process does not work then check the link above for additional information and also visit the accompanying site links below to find more information for your model of TV / FREEVIEW box.

For troubleshooting the retune procedure visit http://tvretune.co.uk/troubleshooting/

For specific model information visit http://tvretune.co.uk/productmanuals/

You may lose some channels when you retune the TV as the channels have been rearranged. To locate them look at the EPG although you may still find that some channels are no longer available on FREEVIEW. See the following link for additional information

http://www.freeview.co.uk/_retuneinfo/

If the above process does not work then check the link above for additional information and also visit the accompanying site links below to find more information for your model of TV / FREEVIEW box.

For troubleshooting the retune procedure visit http://tvretune.co.uk/troubleshooting/

For specific model information visit http://tvretune.co.uk/productmanuals/