Oppo explains the rigorous testing of its smartphones | Tech US News

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Oppo believes that building quality products is the best way to win loyal customers and has implemented strict management throughout the organization. At the heart of these is the Oppo QE Reliability Lab which was established in 2017 in a factory in Greater Noida, India.

A seemingly simple decision really takes a lot of research, planning and development. For example, the Oppo F21 Pro was announced a few weeks ago with a “Sunset Orange” leatherette back. But that’s the end of the story.

Oppo QE Reliability Lab
Oppo QE Reliability Lab

The story begins with thousands of different models that Oppo’s designers review. For short title and refer to market research. Among those, a lychee grain hard texture was selected. The fact put in the phone should be created “fiberglass-skin”, which can be used as a back panel without the need for internal support. The production process takes a lot of work to analyze as well.

Fiberglass-hard material is checked for stability by rubbing it with alcohol-soaked pad, rubber eraser and a piece of denim 5,000, 10,000 and 200,000 times, respectively.

Can your clothes be pulled off the outside of the phone?
Can your clothes be pulled off the outside of the phone?

Every new model that Oppo produces has to go through a series of tests that simulate years of daily wear and tear and various situations. The lab looks at how much damage the phone can take before it breaks, but also what causes cosmetic problems.

The simple drop test is made heavier than the industry average, allowing the phone to go from a height of 1m instead of 0.8m. The phone has fallen on all 6 sides, 8 corners and 12 edges 12 to 24 times. And to wrap things up, the phone dropped from 1.5m in our testing.

An Oppo F21 Pro in the middle of a crash test
An Oppo F21 Pro in the middle of a crash test

The height is not the only concern, small drops of abrasive surface can make the phone shiny new. Oppo uses sandpaper and the phone doesn’t have the benefit of a screen protector or case.

Next, even more drops – the phone is placed in a 1m long table that rotates at 3.5 revolutions per minute. At the end of 15 revolutions, he experienced the equivalent of 150 falls of 1m.

Simulating heavy rain
Simulating heavy rain

With the kinetic test done, waterproofing is the next item on the agenda. Oppo simulates heavy rain, 10 liters per minute, falling at 75 °, aimed at the rating IPX4. The F21 series of phones can also be dunked under 20 cm of water for 30 seconds and then wiped dry. After three days, the laboratory was removed to check whether water made its way in and corroded the internals.

Liquid water is not only a killer, electronics do not like high humidity. So, go into the phone into a special chamber that controls the temperature and humidity for a few days. An experiment to keep the phone at 95% humidity at 65 ° C for 14 days (not the standard 3 days). This is done both with the phone on and off.

The temperature of the test to 300 hours (four times longer than the standard industry) and test whether the product can survive temperatures as low as 75 ° C and as low as -40 ° C.

Special rooms test phones in various temperatures and humidity
Special rooms test phones in various temperatures and humidity

Water testing is usually done with fresh water, but salt water is more damaging. Thus, the phone Oppo F21 was splashed with salt water (5% salinity) for 2 hours, while stored in a hot, humid environment (50 ° C, 95% RH). A passing grade of this test requires that the phone is still working properly and that they are not showing any external damage.

Even the owner of the phone can damage the external device. The Sweat Test involves wrapping the phone in a cloth soaked in fake sweat and leaving it for 24 hours. A selection of cosmetics is also tested for 24 hours to see if any of them will affect the exterior.

Oppo is not easy on its phones
Oppo is not easy on its phones

Some of these tests are done on all Oppo phones, others are specific to the F21 series – tough tests, for example. The phone also has an Orbit light, which is a ring of RGB LEDs around the rear camera. These are tested regularly and ensure a lifespan of over 50,000 hours.

With longer editing cycles, it’s good to see the focus on long-term work. Oppo’s tests ensure that the devices will work even if you are a klutz and they will be fine when it comes time to sell them to a new owner.



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