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LILYGO T3 S3 Factory Firmware

Sale price $33.12
SKU: LILYGO-H599

📦 Location of the warehouse: China

Style: SX1276 915MHz
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Free Shipping from $50 in the US, $70 for non-continental US

- US Delivery Time: 2~7 Business days.

- Non-Continental US Delivery Time: 3~9 working days.

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Guarantee & Return Policy

Effective Date: December 10, 2025

At OpenELAB, we are committed to providing accurate product descriptions and high-quality electronics. The following policy outlines your rights and obligations, designed to be fair to both our customers and our business operations globally.

1. Warranty Policy

A. Standard Limited Warranty (Global & US)

For customers in the United States, Asia, and other non-EU regions:

  • Warranty Period: OpenELAB provides a 12-month warranty from the date of delivery.

  • Coverage: This warranty covers defects in material and workmanship under normal use.

  • Resolution: We will repair or replace defective units at no charge.

B. Statutory Rights for EU/UK Customers (EU Compliance)

If you are a consumer residing in the European Union or the UK purchasing from our global site:

  • Statutory Guarantee: You are entitled to a 24-month statutory guarantee for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.

  • Relation: The Standard Limited Warranty (Section 1.A) applies in addition to, and does not replace, your statutory rights.

C. Warranty Exclusions (Applies to ALL Regions)

Warranty coverage is VOID if the damage is caused by:

  1. Misuse: Incorrect installation, reverse polarity, or exceeding voltage limits.

  2. Unauthorized Modification: This explicitly includes soldering, cutting pins, modifying the PCB, or flashing unauthorized/beta firmware that "bricks" the device.

  3. Physical Damage: Drops, moisture/water damage, or electrical surges (lightning).

  4. Normal Wear & Tear: Consumable parts (e.g., batteries), unless defective upon arrival.

Note: For non-warranty repairs (e.g., customer-induced damage), we may offer repair services for a fee. Shipping and diagnostic costs will be borne by the customer.

2. Return & Refund Policy

A. Return Window

  • Standard: You may request a return within 30 days of receiving your order.

  • EU Customers: You have the statutory right to withdraw from the contract within 14 days of receipt without giving a reason.

B. Refund Conditions & Restocking Fees

To protect against policy abuse, the refund amount is strictly determined by the condition of the returned item.

1. Full Refund (100%)

  • The item is Brand New, Unopened, and Unused.

  • The original packaging is intact and sealed.

  • All accessories are present.

2. Partial Refund (Restocking Fee / Value Depreciation)
If the item is returned in a condition that prevents it from being sold as new, OpenELAB reserves the right to deduct a Restocking Fee (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:

  • Signs of Use: Visible scratches, mounting marks on screw holes, or fingerprints.

  • Damaged Packaging: Original box is torn, written on, or missing.

  • Technical Modification: The device has been powered on, programmed/flashed, or soldered.

  • Broken Seals: Anti-static bags or security seals have been opened.

Depending on the severity of the usage/damage, the deduction may range from 15% to 50% of the product price. Items damaged beyond repair due to misuse will not be refunded.

C. Shipping Costs

  • Defective / Wrong Item: OpenELAB covers the return shipping cost.

  • Customer Remorse (Changed Mind / Ordered Wrong Item): The customer is responsible for all return shipping costs to our designated return center (located in the US, Germany, or China, depending on your region). Original shipping fees are non-refundable unless required by local law.

3. Return Process (RMA)

To ensure a smooth return process, please follow these steps:

  1. Authorization: Contact us at info@openelab.io before returning any item. Returns without prior authorization will not be accepted.

  2. RMA Number: We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.

  3. Packing: Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).

  4. Tracking: We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.
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- Pre-Ordering: If an item is unavailable, you can pre-order it. We'll dispatch once stock is replenished, usually within 10 working days. Special pre-sale products will specify the expected arrival time in the description.

- Express Shipping: Need it faster? Contact us via email or through our live chat support, and we'll arrange expedited delivery for you.

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LILYGO T3 S3 Factory Firmware

LILYGO T3 S3 Factory Firmware

Unleash the full potential of your IoT projects with the T3 S3 LoRa Development Board. This versatile platform is engineered for creating robust, long-range wireless communication solutions. At its core, the board features the powerful ESP32-S3 chip, seamlessly integrating both Wi-Fi and Bluetooth 5.0 for comprehensive connectivity.

Designed for immediate feedback and intuitive development, the T3 S3 boasts a crisp 0.96-inch OLED display, perfect for visualizing real-time data. It's equipped with advanced LoRa transceiver modules (SX1280, SX1276, and SX1262), offering support across critical frequency bands including 2.4GHz, 868MHz, and 915MHz. This makes it an ideal choice for rapid prototyping, intricate research, and the development of cutting-edge wireless IoT products. Whether your focus is on environmental monitoring, enhancing smart agriculture, facilitating remote sensing, or building sophisticated smart city solutions, the T3 S3 provides the unparalleled flexibility and diverse connectivity needed to transform your innovative ideas into tangible realities.

 

Key Features

  • Integrated ESP32-S3 Chipset: Experience fast, reliable, and energy-efficient wireless communication with built-in Wi-Fi and Bluetooth 5.0 capabilities.
  • Onboard 0.96-inch OLED Display: A vibrant SSD1306-driven screen with 128x64 pixels allows for clear, real-time data visualization.
  • Advanced LoRa Connectivity: Leverage the power of SX1280, SX1276, and SX1262 LoRa modules across 2.4GHz, 868MHz, and 915MHz bands for robust, long-range, and low-power communication.
  • Versatile Expansion Options: Enhance your projects with modular flexibility through dedicated HAT and Unit interfaces.
  • Modern USB-C Interface: Benefit from convenient data transfer and power supply via a modern USB-C port.
  • Portable Power Solution: Designed for mobility, the board is compatible with 3.7V LiPo batteries for on-the-go applications (battery not included).
  • Compact Form Factor: Measuring just 56mm x 36mm x 24mm, it is perfect for space-constrained IoT designs.

 

What's Included

  • 1 x T3 S3 LoRa Development Board
  • 1 x USB-C Cable
  • 2 x Pin Headers
  • 1 x Antenna
  • 1 x User Manual

 

Diverse Applications

The T3 S3 LoRa Development Board excels in scenarios demanding low-power, long-range wireless communication. Discover its potential in various applications:

  • Environmental Sensing: Deploy remote sensors to collect and transmit vital environmental data, especially in areas with limited traditional network coverage.
  • Smart Farming Solutions: Monitor critical agricultural parameters like temperature, humidity, and soil moisture to optimize crop yields and resource management.
  • Urban Infrastructure Management: Implement smart city initiatives such as intelligent street lighting, efficient traffic control, and other IoT-driven urban services.
  • Industrial and Scientific Remote Monitoring: Ideal for monitoring equipment or conducting scientific research where data transmission over extensive distances is crucial.
  • Connected Home Systems: Integrate into smart home setups for managing devices, enhancing security, and optimizing energy consumption.

 

Technical Specifications

Specification Details
Main Chip ESP32-S3, with Wi-Fi and Bluetooth 5.0
Flash Memory 4MB
PSRAM 2MB
Display 0.96-inch OLED, 128x64 pixels resolution, SSD1306
LoRa Transceiver Supports SX1280, SX1276, and SX1262, with frequency support for: 2.4GHz, 868MHz, 915MHz
LoRa Power Output SX1280: 12dBm, SX1276: 14dBm, SX1262: 22dBm
Power Supply USB-C or 3.7V LiPo battery (battery not included)
Dimensions 56mm (L) x 36mm (W) x 24mm (H)
Interfaces TF card slot, I2C interface for display/sensors, GPIO pins for extensions
Expansion HAT and Unit interfaces for added customization



 1. General Shipping Information

  • We provide premium shipping methods with a tracking number for each order.
  • Shipping address should be input in English without any special symbols to help the courier company recognize your address in the system. We will ship according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
  • Please contact our customer service staff immediately if you need to cancel or change an order. Once your order has reached "Shipped" status, it can no longer be canceled or changed in any way. To avoid complications, please recheck your shopping cart before checkout.
  • We can ship all in-stock orders within 1 business day as your order has been confirmed.
  • All items are inspected before dispatch and are carefully hand-packed.
  • With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.

 

2. Shipping Options for Orders Inside U.S.

(For Products in the U.S. Warehouse, Shenzhen Warehouse)

2.1 Shipping options for an order value under $5 inside the U.S.

Shipping Options:

Shipping Options Continental U.S. Non-Continental U.S.
USPS Ground Advantage

 $9.99 
Arrive in 3-7 Business Days		 $9.99 
Arrive in 5-9 Business Days
UPS Express

 $15.99 
Arrive in 2-4 Business Days		 $19.99 
Arrive in 3-7 Business Days

  

2.2 Shipping options for an order value between $5 and $50 inside the U.S.

Shipping Options:

Shipping Options Continental U.S. Non-Continental U.S.
USPS Ground Advantage

 $5.99 
Arrive in 3-7 Business Days		 $7.99 
Arrive in 5-9 Business Days
UPS Express

 $12.99 
Arrive in 2-4 Business Days		 $15.99 
Arrive in 3-7 Business Days

  

2.3 Free shipping options for an order value of above $50 inside the U.S.: 

Free Shipping Options Continental U.S. Non-Continental U.S.
USPS Ground Advantage

 Free above $50 Free above $70
UPS Express 

 + $ 9.99 for Above $50 + $ 12.99 for Above $50


Important Notice:

  • Before placing your order, please check the inventory location on the product page to confirm the delivery timeframes.
  • For products stored in the Shenzhen warehouse, we will ship them directly from Shenzhen, China.
  • If you place an order for products from both the U.S. warehouse and the Shenzhen warehouse, we will ship your order separately: the products from the Shenzhen warehouse will be sent from Shenzhen, and the products from the U.S. warehouse will be sent from the U.S. warehouse.

   

3. International Warehouse

Our products are stored in both our U.S. and Shenzhen warehouses to provide more flexible logistics solutions tailored to different regions and customer needs. On each product's description page, we indicate the specific warehouse location to help you better plan your purchase and delivery schedule.

3.1 U.S. Warehouse

For products stored in our warehouse in the U.S., we use either USPS or UPS for shipping, depending on the size of the package. Logistics within U.S. are very efficient, with an estimated delivery time of 3-7 business days, ensuring you receive your order quickly and conveniently.  

3.2 Chinese Warehouse

We will only arrange YunExpressexpress shipping from Shenzhen for orders with products in the Shenzhen warehouse worth more than €50. Orders directly shipped from our Shenzhen warehouse are handled by YunExpress. Given the complexities of international shipping, the estimated delivery time for these packages is around 10 business days, though this may vary slightly due to customs processes or other uncontrollable factors. Otherwise, the products will first be shipped from China to our U.S. warehouse and then shipped to the final destination. 

To ensure that your order is delivered within your desired timeframe, we recommend reviewing the warehouse information provided on the product pages before placing your order and selecting the appropriate shipping option. If you have any questions or need further assistance, please don't hesitate to contact our customer support team—we are here to help you!   

 

4. Customs and Taxes

4.1 How are customs handled by OpenELAB for import or export?

For shipments delivered to customers in the United States, OpenELAB will clearly declare the value of the goods on the customs form in compliance with U.S. Customs and Border Protection (CBP) requirements. Depending on the product value and origin, certain orders may be subject to import duties, taxes, or brokerage fees upon arrival, which are the responsibility of the recipient unless otherwise stated.
 We aim to minimize delays and ensure compliance, but OpenELAB does not guarantee exemption from U.S. customs charges.
  

4.2 Are U.S. sales taxes included when the Customer places an order?

OpenELAB collects U.S. state sales tax where legally required. The applicable rate depends on the shipping address and will be calculated at checkout.
 If no sales tax is charged at the time of purchase, you may still be responsible for use tax according to your state’s tax laws. OpenELAB is committed to complying with the U.S. Supreme Court's decision in South Dakota v. Wayfair, Inc. and applicable local regulations.
  

4.3 Are there any other fees besides tax?

Apart from sales tax, OpenELAB may charge shipping or handling fees, which will be clearly displayed before checkout.
 Please note that international shipments to the U.S. may occasionally incur customs clearance charges or carrier-imposed fees (e.g., by DHL, FedEx, or USPS). These charges are not controlled by OpenELAB and may vary based on the delivery carrier and U.S. import classification.


Effective Date: December 10, 2025

At OpenELAB, we are committed to providing accurate product descriptions and high-quality electronics. The following policy outlines your rights and obligations, designed to be fair to both our customers and our business operations globally.

1. Warranty Policy

A. Standard Limited Warranty (Global & US)

For customers in the United States, Asia, and other non-EU regions:

  • Warranty Period: OpenELAB provides a 12-month warranty from the date of delivery.

  • Coverage: This warranty covers defects in material and workmanship under normal use.

  • Resolution: We will repair or replace defective units at no charge.

B. Statutory Rights for EU/UK Customers (EU Compliance)

If you are a consumer residing in the European Union or the UK purchasing from our global site:

  • Statutory Guarantee: You are entitled to a 24-month statutory guarantee for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.

  • Relation: The Standard Limited Warranty (Section 1.A) applies in addition to, and does not replace, your statutory rights.

C. Warranty Exclusions (Applies to ALL Regions)

Warranty coverage is VOID if the damage is caused by:

  1. Misuse: Incorrect installation, reverse polarity, or exceeding voltage limits.

  2. Unauthorized Modification: This explicitly includes soldering, cutting pins, modifying the PCB, or flashing unauthorized/beta firmware that "bricks" the device.

  3. Physical Damage: Drops, moisture/water damage, or electrical surges (lightning).

  4. Normal Wear & Tear: Consumable parts (e.g., batteries), unless defective upon arrival.

Note: For non-warranty repairs (e.g., customer-induced damage), we may offer repair services for a fee. Shipping and diagnostic costs will be borne by the customer.

2. Return & Refund Policy

A. Return Window

  • Standard: You may request a return within 30 days of receiving your order.

  • EU Customers: You have the statutory right to withdraw from the contract within 14 days of receipt without giving a reason.

B. Refund Conditions & Restocking Fees

To protect against policy abuse, the refund amount is strictly determined by the condition of the returned item.

1. Full Refund (100%)

  • The item is Brand New, Unopened, and Unused.

  • The original packaging is intact and sealed.

  • All accessories are present.

2. Partial Refund (Restocking Fee / Value Depreciation)
If the item is returned in a condition that prevents it from being sold as new, OpenELAB reserves the right to deduct a Restocking Fee (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:

  • Signs of Use: Visible scratches, mounting marks on screw holes, or fingerprints.

  • Damaged Packaging: Original box is torn, written on, or missing.

  • Technical Modification: The device has been powered on, programmed/flashed, or soldered.

  • Broken Seals: Anti-static bags or security seals have been opened.

Depending on the severity of the usage/damage, the deduction may range from 15% to 50% of the product price. Items damaged beyond repair due to misuse will not be refunded.

C. Shipping Costs

  • Defective / Wrong Item: OpenELAB covers the return shipping cost.

  • Customer Remorse (Changed Mind / Ordered Wrong Item): The customer is responsible for all return shipping costs to our designated return center (located in the US, Germany, or China, depending on your region). Original shipping fees are non-refundable unless required by local law.

3. Return Process (RMA)

To ensure a smooth return process, please follow these steps:

  1. Authorization: Contact us at info@openelab.io before returning any item. Returns without prior authorization will not be accepted.

  2. RMA Number: We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.

  3. Packing: Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).

  4. Tracking: We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.