LG TV model numbers 2021: LG’s 4K OLED and NanoCell TVs explained

Like every other TV manufacturer out there, LG has a penchant for labelling its TVs with extremely long-winded names comprised of apparently random letters and digits. The industry-leading South Korean firm sells a huge range of televisions, but it doesn’t do a very good job of helping consumers tell them apart.

These mind-boggling product codes may look like a confusing jumble of characters at first glance but, would you believe it, they do actually mean something. At Expert Reviews, we’re always testing the latest LG TVs and we’re here to help you to make sense of LG’s tricky TV naming system. When it comes time to buy that new LG TV, you’ll know exactly what you’re getting. You can use the quick links below if you need to skip to a specific section.

  • LG OLED TVs
  • LG NanoCell TVs
  • LG 4K Ultra HD TVs
  • LG LED TVs

LG model numbers explained: LG OLED TVs

Handily, LG sets its family of OLED (Organic Light Emitting Diode) TVs apart from its various non-OLED ranges. If it says OLED at the beginning, it’s an OLED. Pretty straightforward, right? But now we need to break down the remaining letters and digits.

As an example, let’s take the outstanding 2020 LG CX 55in. Its official designation in the UK is OLED55CX6LA, and this can be broken down into five components: ‘OLED’, ‘55’, ‘C’. ‘X’ and ‘6LA’. We know what ‘OLED’ means, but what of ‘55’? These digits refer to the size of the TV in inches, measured diagonally – in this case, it’s 55in. The number here obviously changes depending on the size of the TV in question.

Next is ‘C’, which refers to the TV’s product series. The letter itself does not denote an exact set of specifications but the more advanced an OLED range is the higher the letter it receives. LG’s most expensive 2020 TV, which costs £25,000, is a Z series. After ‘C’ comes the later ‘X’, which is used to denote the number 10. In 2019, LG TVs used the number ‘9’ instead.

Image of LG OLED55CX5LB 55" 4K Ultra HD OLED Smart TV

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Finally, we come to ‘6LA’. According to the LG Support agent we spoke to, the three-letter code at the end of every LG TV model number “really does not make any difference”. But as we’ve discovered, that’s not strictly true. In the UK you can buy the LG CX 55in in two different colours, silver and dark grey. The silver model has the code 5LB at the end, while the model ending 6LA (the one we reviewed) is finished in dark grey. There are no other differences between the OLED55CX6LA and OLED55CX5LB models and they will perform in exactly the same way. 

So, now we know that the OLED55CX6LA is a 55in LG C-series OLED TV released in 2020, and its chassis is finished in a dark grey colour. Moving on.

Read our full LG CX 55in review here for more details

Image of LG OLED55CX5LB 55" 4K Ultra HD OLED Smart TV

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LG model numbers explained: LG NanoCell TVs

LG’s NanoCell TVs are the rival technology to Samsung’s QLED range, and their model numbers vary from other types of non-OLED LG TV. Let’s take the 55in LG Nano90 TV, model number 55NANO906NA. All of LG’s non-OLED TV model numbers begin with digits that indicate the size of the screen in inches; in this instance, ‘55’ means it’s 55in across the diagonal.

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