Essential Conditions for Choosing a "Sub-Phone" That Will Change Your Smartphone Life

Even when considering a sub-phone, it's not as simple as just having two smartphones. A poor choice could lead to simply having more things to carry or a runaway increase in costs. So, what are the necessary conditions for a sub-phone? We've organized the needs for a second smartphone.

① Affordable Price
The first concern when owning two smartphones is likely the price. Even if you eliminate worries about your smartphone's battery dying, high-priced phones can increase operational costs. This isn't smart. An affordable price is, after all, a must-have condition for a sub-phone.

② Compact and Slim Body
Owning two smartphones also means carrying more items. For agile mobility, lighter is better.

Ideally, it would have a large-capacity battery that can replace a bulky mobile battery and a compact, slim body that easily fits into a pocket. This is especially true if you use a trendy large-screen smartphone as your main device.

③ Sufficient Functionality
In this day and age, performance aspects like processing speed and camera quality are essential even for a sub-phone. It's no good if using a sub-phone becomes stressful; the era when just making calls and sending emails was enough is long past. Therefore, we want to get a high-performance device at an affordable price.

With that in mind, we'd like to draw your attention to the "HUAWEI P20 lite," a smartphone that has garnered attention for its high-performance camera. While it's a smartphone that can satisfy as a main device, its high functionality at an affordable price offers incredible cost performance, making it a primary choice when purchasing a sub-phone.

① A Reasonable Price in the 30,000 Yen Range
First, the market-expected retail price is 31,900 yen, placing it in the 30,000 yen range. In an era where smartphones often exceed 100,000 yen, this is an extremely reasonable model.

② A Compact and Slim Body with a Premium Feel
Looking at the design, it's a beautiful form with 2.5D glass that fits comfortably in the hand, never feeling cheap. Furthermore, with a thickness of approximately 7.4 mm and a weight of about 145 g, it boasts a compact, slim body. While this is on the lighter and more compact side in the current smartphone market which tends towards larger screens, it's great that it still features an approximately 5.84-inch Full HD+ display.

③ High Performance That Can Also Serve as a Main Device
The biggest feature of the "HUAWEI P20 lite" is its ability to achieve high functionality while maintaining an affordable price and a premium body. It has a high-resolution Full HD+ display, a large-capacity battery, fast processing, and supports rapid charging with the included AC adapter. Its specifications are such that it can be used not just as a sub-phone, but as a "backup phone" that can seamlessly and interchangeably be used alongside your main device in daily life.

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Page02.What Kind of Comfortable Smartphone Life Can a "High-Performance Sub-Phone" Enable?

What Kind of Comfortable Smartphone Life Can a "High-Performance Sub-Phone" Enable?

So, what kind of uses become possible by carrying a high-performance smartphone as a sub-phone? We'd like to introduce a few example scenarios.

Check content and documents on your large-screen main smartphone.
The "HUAWEI P20 lite" as a pocket-sized companion



"I need to check my schedule on my smartphone's calendar while on an appointment call..." In such situations, with a sub-phone, you can simply open the other phone while on the call.

The high-performance octa-core CPU and 4GB RAM in the approximately 7.4 mm thin "HUAWEI P20 lite" enable faster, smoother operation. You can quickly take it out of your pocket and comfortably display your schedule or perform any other task without stress.

It's like a dual display. Easy to use with its high-quality large screen



Using two smartphones allows for a dual-display-like experience. You can freely view PDF documents, websites, or PowerPoint presentations on one phone while taking notes or creating new presentation materials on the other.

Furthermore, the "HUAWEI P20 lite" is equipped with a 2280x1080 Full HD+ screen with a NTSC 96% color gamut, allowing for rich color representation in videos and photos, making it enjoyable for entertainment as well. This is a usage scenario made possible by its superior expressiveness compared to budget models.

Is the rental car's navigation system outdated? You'll be prepared for such times

Even if your rental car in a different region or on a trip doesn't have a navigation system, or if its data is outdated, you can rest assured. By using services like Google Maps on the "HUAWEI P20 lite," you can navigate with the latest data without worrying about your main smartphone's battery.

Additionally, the "HUAWEI P20 lite" features dual Bluetooth, so you can use earphones or a smartwatch while playing music through the car's Bluetooth audio system without any issues.

Switch between smartphones depending on the shooting situation



When it comes to smartphone functions, the camera is indispensable. However, a common inconvenience when using a smartphone camera is that you cannot use other functions while the camera is active. This may seem obvious, but it becomes problematic, especially during extended video recording.

This issue often arises in business settings when recording long events or presentations, or in personal situations when capturing scenery during a trip.

With a sub-phone, you can rest easy about these "camera fixation problems." You can use your main phone as the camera while handling other tasks on your sub-phone.

Furthermore, the "HUAWEI P20 lite" is equipped with a dual-lens system (approximately 16.0 megapixels + 2.0 megapixels), allowing you to take photos with beautiful bokeh effects, similar to a DSLR. In some cases, you could even shoot video on your main phone while capturing photos with your sub-phone.

The peace of mind that comes from being able to focus on the task at hand without worrying about battery life

By replacing your usual mobile battery with the "HUAWEI P20 lite" and using two phones, you can use your smartphone freely without worrying about its battery life.



With traditional "dual-phone" setups, people often used sub-phones that were compact but significantly inferior in performance, allocating them only for basic communication like calls and messages. However, with the performance of the "HUAWEI P20 lite," you can seamlessly use whichever smartphone you prefer without needing to strictly differentiate their roles. Moreover, if your main phone's battery runs out, you can quickly recreate your latest environment on the "HUAWEI P20 lite" by transferring important data to a microSD card, providing significant peace of mind as a backup main smartphone.

A "High-Performance Sub-Phone" for a Smarter, More Comfortable Life

We've introduced smarter lifestyles and usage scenarios enabled by high-performance sub-phones. What do you think?

You might wonder, "Will I really use it?" when thinking about "owning two smartphones," but as you can see, the benefits are felt in everyday life.

Replace the hassle and space of carrying a mobile battery and charging cable with a sub-phone. And choose a high-performance sub-phone. Just by doing this, you can enjoy a convenient smartphone life, complementing your main smartphone and serving as a backup when needed.

The "HUAWEI P20 lite," with its specifications backed by cutting-edge technology and reliability, is undoubtedly a solid choice.

HUAWEI P20 lite
Manufacturer | Huawei
Display | Approx. 5.84 inches
Screen Resolution | 2,280 x 1,080 dots
Dimensions | Approx. H148.6 x W71.2 x D7.4 mm
Weight | Approx. 145g
CPU | HUAWEI Kirin 659 4x2.36GHz + 4x1.7GHz (Octa-core)
Memory | 4GB RAM / 32GB ROM / microSD slot (up to 256GB)
OS | Android 8.0 / EMUI 8.0
Max Communication Speed | Downlink up to 988Mbps
Camera Pixels | Rear: Approx. 16.0MP + 2.0MP / Phase Detection / Front: Approx. 16.0MP
Battery Capacity | Approx. 3000mAh (integrated) Supports fast charging / 9V/2A
Other Features | Biometric authentication (fingerprint, face)
USB Port | Type-C
Color Variations | Klein Blue, Sakura Pink, Midnight Black