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LETOU - 乐投 Industries Holdings Co., Ltd. (the “Company”) has recently been made aware of certain scams fraudulently using the name of the Company and its subsidiaries or associated companies, and fraudsters faking identities as the staff of the Company or the authorized distributors to carry out the following fraudulent activities:?Learn More

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Product Security Update Period

 

LETOU - 乐投 places great emphasis on the security of our products and services, and is committed to providing continuous security updates for our IoT products, fixing security vulnerabilities, and offering enhanced security and stability.These updates are designed to protect your devices from known threats and help defend against emerging security risks.

 

Users can submit vulnerability reports by referring to the Vulnerability Disclosure Policy, and we will evaluate your reports and issue security updates to address these issues if necessary.

 

We will periodically publish and update the following product list to help you check if your device can still receive security updates.

 

Product Name Market model Product name Last release time Support period Support cut-off time
THMLd-4D/3HBp-A HB043SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-6D/3HBp-A HB063SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-8D/3HBp-A HB083SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-10D/3HBp-A HB103SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12D/3HBp-A HB123SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14D/3HBp-A HB143SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16D/3HBp-A HB163SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/3HBp-A HB123TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/3HBp-A HB143TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/3HBp-A HB163TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/6HBp-A HB126TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/6HBp-A HB146TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/6HBp-A HB166TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/9HBp-A HB129TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/9HBp-A HB149TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/9HBp-A HB169TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-4D/HBp-A HB04SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-6D/HBp-A HB06SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-8D/HBp-A HB08SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-10D/HBp-A HB10SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-12D/HBp-A HB12SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-14D/HBp-A HB14SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-16D/HBp-A HB16SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-12S/HBp-A HB12TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-14S/HBp-A HB14TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-16S/HBp-A HB16TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-4D/3FBp-A HB043SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-6D/3FBp-A HB063SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-8D/3FBp-A HB083SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-10D/3FBp-A HB103SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12D/3FBp-A HB123SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14D/3FBр-A HB143SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16D/3FBр-A HB163SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/3FBp-A HB123TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/3FBp-A HB143TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/3FBp-A HB163TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/6FBр-A HB126TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/6FBp-A HB146TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/6FBp-A HB166TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/9FBр-A HB129TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/9FBp-A HB149TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/9FBp-A HB169TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-4D/FBp-A HB04SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-6D/FBp-A HB06SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-8D/FBp-A HB08SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-10D/FBp-A HB10SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-12D/FBp-A HB12SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-14D/FBр-A HB14SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-16D/FBр-A HB16SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-12S/FBр-A HB12TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-14S/FBp-A HB14TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-16S/FBp-A HB16TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THM4DF3dB THM4DF3dB Air to Water heat pump 2026.02.13 5 2030.02.13
THM6DF3dB THM6DF3dB Air to Water heat pump 2026.02.13 5 2030.02.13
THM8DF3dC THM8DF3dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM10DF3dC THM10DF3dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM8SF9dC THM8SF9dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM8SF6dC THM8SF6dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM10SF9dC THM10SF9dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM10SF6dC THM10SF6dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM12DF3dC THM12DF3dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM14DF3dC THM14DF3dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM16DF3dC THM16DF3dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM12SF9dC THM12SF9dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM12SF6dC THM12SF6dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM14SF9dC THM14SF9dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM14SF6dC THM14SF6dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM16SF9dC THM16SF9dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM16SF6dC THM16SF6dC Air to Water heat pump 2026.05.15 5 2030.05.15

 

Product Name Market model Product name Last release time Support period Support cut-off time
THMLd-4D/3HBp-A HB043SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-6D/3HBp-A HB063SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-8D/3HBp-A HB083SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-10D/3HBp-A HB103SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12D/3HBp-A HB123SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14D/3HBp-A HB143SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16D/3HBp-A HB163SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/3HBp-A HB123TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/3HBp-A HB143TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/3HBp-A HB163TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/6HBp-A HB126TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/6HBp-A HB146TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/6HBp-A HB166TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/9HBp-A HB129TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/9HBp-A HB149TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/9HBp-A HB169TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-4D/HBp-A HB04SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-6D/HBp-A HB06SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-8D/HBp-A HB08SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-10D/HBp-A HB10SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-12D/HBp-A HB12SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-14D/HBp-A HB14SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-16D/HBp-A HB16SD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-12S/HBp-A HB12TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-14S/HBp-A HB14TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-16S/HBp-A HB16TD0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-4D/3FBp-A HB043SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-6D/3FBp-A HB063SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-8D/3FBp-A HB083SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-10D/3FBp-A HB103SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12D/3FBp-A HB123SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14D/3FBр-A HB143SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16D/3FBр-A HB163SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/3FBp-A HB123TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/3FBp-A HB143TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/3FBp-A HB163TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/6FBр-A HB126TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/6FBp-A HB146TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/6FBp-A HB166TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-12S/9FBр-A HB129TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-14S/9FBp-A HB149TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THMLd-16S/9FBp-A HB169TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-4D/FBp-A HB04SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-6D/FBp-A HB06SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-8D/FBp-A HB08SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-10D/FBp-A HB10SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-12D/FBp-A HB12SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-14D/FBр-A HB14SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-16D/FBр-A HB16SP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-12S/FBр-A HB12TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-14S/FBp-A HB14TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THML-16S/FBp-A HB16TP0 Air to Water heat pump 2025.05.31 5 2030.05.31
THM4DF3dB THM4DF3dB Air to Water heat pump 2026.02.13 5 2030.02.13
THM6DF3dB THM6DF3dB Air to Water heat pump 2026.02.13 5 2030.02.13
THM8DF3dC THM8DF3dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM10DF3dC THM10DF3dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM8SF9dC THM8SF9dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM8SF6dC THM8SF6dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM10SF9dC THM10SF9dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM10SF6dC THM10SF6dC Air to Water heat pump 2026.07.31 5 2030.07.31
THM12DF3dC THM12DF3dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM14DF3dC THM14DF3dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM16DF3dC THM16DF3dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM12SF9dC THM12SF9dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM12SF6dC THM12SF6dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM14SF9dC THM14SF9dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM14SF6dC THM14SF6dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM16SF9dC THM16SF9dC Air to Water heat pump 2026.05.15 5 2030.05.15
THM16SF6dC THM16SF6dC Air to Water heat pump 2026.05.15 5 2030.05.15

 

 

*Note:

1. The information on this page is for reference only. Please refer to the actual security updates received by your device.

2. The delivery time for security patches may vary depending on the region and device model.

3. Security update policies and the number of device models are subject to change and will be reviewed periodically.

 

 

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