More than 2,100 new complaints related to the Samsung Green Line Issue have been received since the previous remedy programme closed, including reports from consumers using models outside the earlier programme and from some whose replacement screens later developed the same problem. TCC is asking the court to allow the case to proceed as a class action.
BANGKOK, 21 September 2026 — The Thailand Consumers Council (TCC) has filed a second lawsuit against Thai Samsung Electronics Co., Ltd. and South Korea-based Samsung Electronics Co., Ltd. following continued consumer complaints about vertical lines appearing on smartphone displays.
The case was filed with Bangkok South Civil Court, with TCC asking the court to allow the consumer case to proceed as a class action. It seeks to cover newly affected consumers, including people who were not eligible for the previous remedy programme.
TCC first took legal action over the issue on 29 August 2024. The case subsequently entered negotiations, followed by a remedy programme under which eligible consumers could choose between a free repair, a discount voucher towards a new phone in exchange for their existing device, or a buyback of the affected phone. Registration closed on 21 September 2025.
Complaints continued after the programme closed.
TCC received 2,103 new complaints between the close of registration and 20 September 2026. They include consumers using models covered by the earlier programme, newer models and other models that fell outside its eligibility criteria.
TCC has also received reports from some consumers who had their screens replaced but later experienced lines appearing again on the replacement display.
Sophon Hnoorat, head of TCC’s Legal and Litigation Division, said the second case is intended to give newly affected consumers, as well as those who were unable to access the previous programme, a route to seek redress based on the harm they experienced.
The case also seeks to cover consumers using models outside the 11 models included in the earlier remedy programme.
TCC will ask the court to consider appropriate remedies depending on the circumstances of each case. These may include screen replacement, refunds or compensation.
“More than 2,000 new complaints have been received since the previous programme closed, and some consumers have told us that the problem returned even after their screens were replaced,” Sophon said. “The purpose of this case is to ensure that newly affected consumers have a route to seek appropriate redress.”
TCC has also heard from consumers who said they were excluded from the previous programme because they did not meet certain eligibility conditions.
Some reported that their phones had cracked screens when they were taken in for service, even though they had evidence that the display-line problem had appeared before the screen was damaged. Others said they were excluded because their devices showed additional symptoms or had been repaired outside the specified period. Some consumers also reported submitting additional documents but were subsequently told that their documentation remained incomplete.
“Redress should be based on the actual problem and harm experienced by the consumer,” Sophon said. “Consumers experiencing the same problem should have access to an appropriate remedy regardless of the particular phone model they use.”
Consumers experiencing display-line problems, including those whose replacement screens later developed the same issue, can submit a complaint to TCC website . They are encouraged to provide proof of purchase, photographs or video showing the display problem, repair records and any correspondence with Samsung or an authorised service centre.
Bangkok South Civil Court has scheduled the first negotiation session for 26 October 2026. TCC will continue to follow the case and provide updates to affected consumers.
