A smartphone app designed to help curb the spread of coronavirus when the lockdown is eased should be ready "two to three weeks", MPs have been told.

The smartphone market registered 1.5 per cent year-on-year growth in the March quarter with shipments touching 32.5 million units, IDC said in a statement. Despite the low figure, India was the only country among the top three nations to see any growth.

Consumers can reach out to their preferred retailers via Tecno's website and enter their PIN code details. The microsite with a store locator will assist in mapping the retailer and the contact details, and the device will be delivered to their doorsteps by their nearest retailer.

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More than a quarter of India's population or 337 million people would use a smartphone in 2018 -- a 16 per cent growth which is the highest rate of any country in the world -- market research company eMarketer said on Thursday.

Since its last forecast, eMarketer increased its estimate for the smartphone audience in India by more than 31 million people.

This uptick is thanks to the growth in smartphone usage in urban areas, where affordable smartphones are becoming widely available, the research firm said in a statement.

"India still faces technological challenges that are holding back mass smartphone adoption. "Mobile Internet speeds are among the slowest in the world, around two-thirds of the population still lives in rural areas and feature phones are by no means obsolete," said Chris Bendtsen, Senior Forecasting Analyst, eMarketer.

Advertisers can still be optimistic about the future.

"Smartphones are getting cheaper, mobile data prices have fallen and urbanisation continues. Over the next four years, as speeds and rural reach improve, eMarketer expects the smartphone audience to reach close to half a billion users," Bendtsen noted.

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Aiming to disrupt India's mid-segment smartphone market, Samsung is set to launch four new smartphones -- two each in Galaxy "A" and Galaxy "J" series -- this month.

The upcoming Galaxy A6 and Galaxy A6+ smartphones could be priced between Rs 20,000 and Rs 25,000 while the devices in Galaxy "J" series could cost customers Rs 15,000 to Rs 20,000, industry sources told IANS on Friday.

Two of the four smartphones in the upcoming line-up would come with dual camera set-up, the sources added.

All of them will be made at the company's Noida facility. The smartphones will feature Samsung's super AMOLED "Infinity Display" -- bezel-less screen that creates an immersive viewing experience.

Notably, Samsung's flagship smartphones such as Galaxy Note 8 and Galaxy S9 series feature the "Infinity Display". Now, with the upcoming devices, the display feature would be introduced at lower price points in the Indian market.

The South Korean giant first introduced the "Infinity Display" in Galaxy S8 series in 2017.

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Targeted at millennials, Chinese smartphone maker OPPO on Tuesday debuted its sub-brand "Realme 1" smartphone in India for Rs 8,990 (3GB RAM and 32GB internal storage model).

The 6GB RAM and 128GB internal storage variant is priced at Rs 13,990.

The smartphone comes with the world's first 12-nm Artificial Intelligence-based MediaTek Helio P60 chipset with "AI shot" technology.

"Realme 1 is focused at young online consumers and is primed to be a market disruptor with a stylish design," Madhav Seth, Chief Executive Officer, Realme India, said in a statement.

The device will be available on Amazon India, starting May 25, in diamond black and solar red colour variants.

A third variant with 4GB RAM and 64GB onboard storage, in moonlight silver and diamond black colours for Rs 10,990 will go on sale in June.

Realme users will have access to over 500 OPPO service centres across the country with guaranteed 90 per cent repair cases resolved within an hour.

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Illustration/Amit Bandre

New Delhi: On an average, a college student in India checks his mobile phone over 150 times a day, according to a study conducted by Aligarh Muslim University and the Indian Council of Social Science Research (ICSSR).

The research, titled "Smartphone Dependency, Hedonism and Purchase Behaviour: Implications for Digital India Initiatives", has been conducted in 20 central universities, where 200 students each were interviewed.

"Anxiety and fear of missing out on information make university students check their mobile devices as many as 150 times a day on an average, an activity which can have adverse effects on the students' health as well as academics. "Only 26 per cent of the respondents said they use smartphones primarily to make calls. The remaining respondents use smartphones for other purposes such as accessing social networking sites, Google searches and for entertainment such as watching movies," said Mohammed Naved Khan, the Project Director.

At least 14 per cent of the students use smartphones for three hours or less in a day while around 63 per cent of them use it for four to seven hours daily.

"It came as a shock to us that around 23 per cent (of students) use the devices for more than eight hours a day," Khan added.

According to the study, eighty per cent of the students own a mobile phone and most of them prefer smartphones owing to convenience in the installation of applications, host of features, and ease of use and also work as affordable substitutes for a computer. The study conducted by researchers at AMU has been funded by the ICSSR with an aim to understand various facets of smartphone dependency and addiction among college-going students.

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Representational Image

Surgeons are developing a new smartphone-based tool that can detect urethral or urine blockage, potentially making it easier for patients to test themselves for the condition from the comfort of their own homes.

The novel technique could take high-speed photography which could capture subtle differences between a normal steady stream of liquid and a stream of liquid with an obstruction.

Urethral strictures are a slowing or blocking of the natural flow of urine due to an injury or infection. It is normally diagnosed by uroflowmetry, a test administered at a physician's office.

"The problem is that patient follow-up after we treat this condition is very poor," said Matthew Gretzer, Associate Professor at the University of Arizona in the US.

"But we need patients to come back to our clinic for a uroflow test to determine if the obstruction is still present," he added.

In order to test Gretzer's hypothesis on high-speed photography, the team created a model of a urethral structure using tubing hooked to a saline bag that could drain through.

Saline fluid was passed through the tubing with and without blockages, created using 3D printed strictures,placed within the tubing. High-speed photography captured both the regular and blocked stream of liquid exiting the tube.

Gretzer contended that photos can be a medium to diagnose blockages and he hopes that patients could send him these images to analyse and make the diagnosis. He plans to create a mobile app which can be downloaded by the patients.

"All patients would need to do is take high-speed images of their urine flow using a strobe light," Gretzer said.

"Strobe light apps are readily available right now for people to use on their phones".

According to the researchers, as fluid exits an opening, a natural breakpoint occurs where the liquid stream forms droplets, but with obstructions in place, it changes.

The results showed that by analysing photos, they could measure the length to this point of droplet formation. This length then directly related to the presence of an obstruction in the tube.

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Hina Khan is the classic example of been there, done that. In a career spanning over a decade, the actor has dabbled in fictional shows, reality TV and web series. Now, she has appeared in her first short film, Smartphone, available on the Ullu App. The short film has her essaying the role of a homemaker. The actor believes the film's message of women empowerment drew her in. "Suman [her character] showcases true women power. The film highlights how one should not underestimate anybody," she says.

If the story struck a chord with her, working with Akshay Oberoi and Kunaal Roy Kapoor was an enriching experience as they fed off each other's creative energies. "There's always something interesting to pick up from the way your co-actor works on himself during a shoot. We all learnt something from one another whether it was during our rehearsals or over conversations about our respective characters."

Hina Khan

Few actors can boast an easy transition from legacy television to streaming, but Khan believes every medium has been instrumental in helping her grow as a performer. "Every medium has been kind to me. After television where I was a part of some amazing shows [including Yeh Rishta Kya Kehlata Hai and Kasautii Zindagii Kay], digital entertainment and films gave me a grand welcome with Damaged 2 and Hacked respectively. At the moment, OTT platforms are producing impressive content. The diversity [they offer] is enriching for an actor."

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Scientists have developed the first ultrasound-firewall that can prevent hackers from eavesdropping on hidden data transmission between smartphones and other mobile devices. The permanent networking of mobile devices can endanger the privacy of users and lead to new forms of monitoring.

New technologies such as Google Nearby and Silverpush use ultrasonic sounds to exchange information between devices via loudspeakers and microphones. More and more of our devices communicate via this inaudible communication channel. Ultrasonic communication allows devices to be paired and information to be exchanged.

It also makes it possible to track users and their behaviour over a number of devices, much like cookies on the Web. Almost every device with a microphone and a loudspeaker can send and receive ultrasonic sounds. Users are usually unaware of this inaudible and hidden data transmission.

Researchers from the St Polten University of Applied Sciences in Austria has developed a mobile application that detects acoustic cookies, brings them to the attention of users and if desired, blocks the tracking.

The app is, in a sense, the first available ultrasound-firewall for smartphones and tablets "The most challenging part of developing the app was to devise a method that can detect different existing ultrasound-transmission techniques reliably and in real time," said Matthias Zeppelzauer, who led the project.

Such ultrasonic signals can be used for so-called "cross-device tracking". This makes it possible to track the user's behaviour across multiple devices, and relevant user profiles can be merged with one other. In this way, more accurate user profiles can be created for targeted advertising and filtering of internet content.

Unlike their electronic counterparts when visiting web pages, up to now it has not been possible to block acoustic cookies.

"In order to accept voice commands, the mobile phone microphone is often permanently active. Every mobile application that has access to the microphone, as well as the operating system itself, can at any time without notice: activate the microphone of a mobile device, listen to it, detect acoustic cookies and synchronise it over the Internet," said Zeppelzauer.

Users are often not informed of this information transmission during ongoing operation. Only a permanent deactivation of the microphone would help, whereby the device as a telephone would become unusable. Researchers developed a procedure to expose the cookies and inform device users. For masking and blocking the ultrasonic data transfer, interference signals are transmitted via the loudspeaker of the mobile device.

Thus, acoustic cookies can be neutralised before operating systems or mobile applications can access them. Users can selectively block cookies without affecting the functionality of the smartphone. The masking of the cookies occurs by means of ultrasound, which is inaudible to humans.

"There is currently no technology on the market that can detect and block acoustic cookies. The application developed in this project represents the first approach that gives people control over this type of tracking," said Zeppelzauer.

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