Technology

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• Ulefone Armor Pad 4 Ultra Thermal can detect cold spots and leaks
• Rugged design with 10.36-inch display, IP68/IP69K certified
• Long-lasting 11800mAh battery, dual SIM, and 5G support

Cold spots in homes and offices - those persistently chilly areas - are often signs of underlying issues such as poor insulation, air leaks, or structural problems that allow heat to escape. Identifying and addressing these areas, whether by sealing leaks, improving insulation, or repairing defects, can significantly improve comfort and reduce energy consumption.

The Ulefone Armor Pad 4 Ultra Thermal is a rugged tablet that can help locate these cold spots. It features a GPU-powered ThermoVue thermal imaging sensor capable of detecting heat variations beyond the visible spectrum, pinpointing leaks and other problems.

Features of the 160x120 resolution thermal sensor include <50mk sensitivity, 25Hz refresh rate, and temperature measurements from 10°C to 550°C, with a measuring range of up to 1,000m.

11800mAh battery

Ulefone highlights its suitability for inspecting pipe blockages, building issues, and mechanical or electrical maintenance. It can also be used for wildlife monitoring, overnight construction, gas leak detection, vehicle maintenance, and by first responders in critical situations, such as during house fires.

The tablet sports a 10.36-inch IPS display with a 2000 x 1200 pixel resolution, 500 nits brightness, and Corning Gorilla Glass 5 protection. Built to withstand demanding environments, the Armor Pad 4 is certified to IP68, IP69K, and MIL-STG810H standards, ensuring durability against drops, extreme temperatures, water, dust, and dirt.

The device includes a 48MP Samsung S5KGN1 main camera with an f/1.9 aperture and an 85° field of view for 2K video recording, along with a 32MP front camera for selfies and video calls.

A powerful 11800mAh battery provides up to 64 hours of talk time and supports 33W fast charging. The tablet runs on the MediaTek Dimensity 6300 chipset with 8GB LPDDR4X RAM and 256GB UFS 2.2 storage, expandable via microSD. Dual SIM compatibility supports up to 5G networks.

Additional features include Bluetooth 5.2, Wi-Fi 5, NFC, GPS, a versatile uSmart Connector 2.0, a side-mounted fingerprint sensor, and a 1100-lumen camping light with 483 LEDs.

You can buy the Ulefone Armor Pad 4 Ultra Thermal on Amazon for $599.99, but there's currently a $50 discount coupon available, bringing the price down to a more affordable $549.99.

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The UK's cybersecurity and law enforcement have issued an "urgent alert" as people get ready to grab the best Black Friday deals around.

Data from the National Cyber Security Centre (NCSC) and Action Fraud shows a significant surge in financial losses to online shopping scams.

Between November 2023 and January 2024 alone, Brits lost over £11.5 million in online shopping scams, with each victim losing £695 on average.

Black Friday warning

"Our message to anyone shopping online as we approach Black Friday is simple: if you come across anything that doesn’t feel right – stop what you’re doing, break contact, and do not click any links," said UK's Fraud Minister Lord Hanson, admitting that more needs to be done to tackle online fraud.

You should especially be wary of offers you find on social media platforms. The Action Fraud report also revealed, in fact, that almost half of the incidents (43%) came from social media platforms in 2023.

"Never feel pressured into buying anything online - creating a false sense of urgency is a tell-tale sign of a fraudster," suggests Adam Mercer, Deputy Head of Action Fraud.

Mercer also recommends avoiding bank transfers if you can, whether you're shopping on online marketplaces, social media, or retailer websites. A credit card is the preferred option for the privacy-conscious as it provides more protection if anything goes wrong.

Do you know?

(Image credit: Vektor Illustration/Shutterstock)

Black Friday isn't just a hotly anticipated time for shoppers, but also for scammers. From offers that are too good to be true to suspicious messages and dodgy-looking websites, we put together the main red flags for Black Friday scams you should look out for this shopping season.

Besides being vigilant at all times, the NCSC has also launched a nationwide campaign, as part of Stop! Think Fraud, to encourage people to set up 2-step verification on their most important accounts.

Two or multiple-factor authentication adds an extra layer of security as it requires you to provide an additional form of identification, on top of your password, to access your account. This might be a one-time code sent in an SMS, a magic link sent to your email, a biometrical print, or clicking on a specific app on your device.

Experts at Surfsark, one of the best VPN providers on the market right now, have shared extra tips on how to avoid Black Friday scams.

These include avoiding browsing on potentially compromised public Wi-Fi without a virtual private network (VPN) as scammers may set up malicious Wi-Fi hotspots in busy shopping areas. Most notably, they suggest always checking the sender's email address to minimize the chances of falling victim to phishing attacks.

Yet, according to Surfshark's cybersecurity expert Miguel Fornés, fake websites and deals remain the most common tactics.

He said: "Stick to the brands you know well, or do additional research if you are shopping at a new site. Be cautious of poor grammar, misspellings, and unusual phrases, as these can indicate that a site or message might be a scam."

• TCL has begun production of a 21.6-inch inkjet-printed OLED panel
• Inkjet-printed panels are cheaper to produce and more efficient
• Larger IJP panels still remain at the prototype stage

The OLED panel in your next monitor, and TV could be made by an inkjet printer. It’s a technology that TCL has been talking about for more than a decade, but the Chinese panel-maker has finally made its screen-printing ambitions a production reality.

TCL has officially begun mass-production of inkjet-printed OLED panels. Their first application isn’t something you’re likely to see in your living room, mind: a 21.6-inch 4K OLED display that’s intended for professional medical use.

TCL also unveiled a prototype 27-inch inkjet-printed OLED panel for monitors. It joins the catalog of prototypes we’ve already seen from the manufacturer, including the folding 65-inch OLED TV shown off at Display Week in Los Angeles last year.

What makes the production news exciting is that it indicates TCL has finally made the leap to real-world implementation of the prototype technology. It’s the first concrete evidence that the OLED panels of the future could be produced by inkjet printers.

TCL has long touted the benefits of panels made this way. The new production method has lower costs and produces OLEDs that last longer and require less power. The question has always been whether the technique is viable for mass production, and whether it’s capable of producing the larger panel sizes that feature in our list of the best OLED TVs.

What's new?

Traditionally, OLED panels are made by depositing organic materials on a glass layer through a stencil. This is achieved by a process of evaporation inside a vacuum chamber. In contrast, inkjet-printed (IJP) OLEDs use large printers to precisely deposit the material.

This significantly reduces the amount of production waste, which in turn means that IJP panels can be made for less money. TCL reckons that its IJP panels are 20% cheaper overall and can be made 30% faster than traditional OLED displays, and also that the materials used have a longer lifespan.

It also claims that its printed RGB OLED loses 50% less light due to internal reflection, resulting in “higher light output efficiency compared to traditional OLED displays”. According to TCL, this means it can display brighter images using the same amount of power.

(Image credit: TCL)

That improvement in efficiency doesn’t mean IJP panels are brighter, though. With a maximum brightness of 350 nits, the 21.6-inch display that TCL has put into production is significantly dimmer than rival OLED panels from LG and Samsung, which peak north of 1,000 nits.

The consumer benefits are instead a potential reduction in the cost of OLED displays. IJP panels should be cheaper to run and last longer. And assuming that the lower cost of production is reflected in retail prices, TVs with IJP screens could significantly reduce the cost of owning an OLED display.

Question marks remain over whether the technology can be effectively applied to produce larger panels. While TCL has demonstrated larger prototypes, there’s a long way to go from its 21.6-inch production panel to the 55-inch and 65-inch panel sizes required by the best OLED TVs.

Still, with a 204PPI density and 99% coverage of the DCI-P3 color space, TCL’s IJP panel is otherwise competitive.

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