HTC J butterfly HTL21 au - Features and reviews

Created date: 02/24/2018, 22:14:21, Updated date: 04/04/2020, 07:46:52

Detailed review of HTC J butterfly HTL21 au's features

Read a detailed review about how easy the HTC J butterfly HTL21 au can be carried and used, if the CPU is high and whether it is suited for multitasking. Over 2000 models can be easily compared and ranked.

Summary of HTC J butterfly HTL21 au performance and functions

The size and weight of the HTC J butterfly HTL21 au

The body of the HTC J butterfly HTL21 au is 2.8 inches (71 mm) wide, 5.6 inches (143 mm) long, and 0.4 inches (9.2 mm) thick. Also, the screen size is 5 inch, and it weighs 140 oz (140 g). Holding the phone and viewing the screen is as easy as for an average smartphone. It weighs roughly the same as an average smartphone. Though noticeable, the weight is acceptable and easy to handle.

HTC J butterfly HTL21 au
HTC J ISW13HT au
HTC EVO 3D ISW12HT au
HTC J butterfly HTL21 auHTC J ISW13HT auHTC EVO 3D ISW12HT au
Color/ // /
Dimensions (width x height x thickness)2.8 inches (71 mm) x 5.6 inches (143 mm) x 0.4 inches (9.2 mm)2.6 inches (66 mm) x 5.2 inches (132 mm) x 0.4 inches (11.2 mm)2.6 inches (65 mm) x 5.0 inches (126 mm) x 0.5 inches (13.5 mm)
Weight140 oz (140 g)142 oz (142 g)171 oz (171 g)
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Display of the HTC J butterfly HTL21 au

The HTC J butterfly HTL21 au has a super LCD 3 FHD screen with a resolution of 1080 x 1920. Compared to normal smart phones, its screen is relatively beautiful. It shows great images even when up close, such as when using it for VR.

HTC J butterfly HTL21 au
HTC J ISW13HT au
HTC EVO 3D ISW12HT au
HTC J butterfly HTL21 auHTC J ISW13HT auHTC EVO 3D ISW12HT au
Display size5 inch4.3 inch4.3 inch
Display typesuper LCD 3 FHDELTFT
Screen resolution (width x height)1080 x 1920540 x 960540 x 960
Pixel density440 ppi256 ppi256 ppi
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The battery life of the HTC J butterfly HTL21 au

The HTC J butterfly HTL21 au has a battery capacity of 2020 mAh. It has pretty much the same battery capacity as a standard smartphone.

The processing capability of the HTC J butterfly HTL21 au

The HTC J butterfly HTL21 au uses the Snapdragon S4 Pro APQ8064 + MDM9615 CPU with 1.5GHz×4(Quad core). The memory capacity is 2GB. CPU performance is slightly lower than standard smartphones. While it is perfectly suitable for searching the web and sending messages, people who use their smartphone for more demanding purposes will likely feel that its performance is subpar. It has the memory capacity of a standard smartphone. Having more capacity would make apps less likely to crash and make it easier to use, but the performance is fine for the Internet and emailing. For gaming, you would want the next level up in performance.

HTC J butterfly HTL21 au
HTC J ISW13HT au
HTC EVO 3D ISW12HT au
HTC J butterfly HTL21 auHTC J ISW13HT auHTC EVO 3D ISW12HT au
ChipsetSnapdragon S4 Pro APQ8064 + MDM9615Snapdragon S4 Plus MSM8660ASnapdragon S3 MSM8660
CPU specs1.5GHz×4(Quad core)1.5GHz×2(Dual core)1.2GHz×2(Dual core)
RAM size2GB1GB1GB
Storage size16GB16GB4GB
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The camera of the HTC J butterfly HTL21 au

The HTC J butterfly HTL21 au has a back camera with 8 MP. The front camera has 2.1 MP. The rear camera performance is about the same as a typical smartphone. The image quality for longer distance photography is less than satisfactory, but on the whole, there are no issues with short distance photos.

Review of the product design of the HTC J butterfly HTL21 au

Rating of the ease of carrying it around and getting it in and out of bags or pockets

When deciding whether to buy an HTC J butterfly HTL21 au, the first important factor is its size. Smartphones are used daily, and so it is important how easily they can be carried around and pulled out of bags or pockets. This review assesses how easy it is to carry the HTC J butterfly HTL21 au around and put it away.

Ease of grasping it in your hand to carry around

The HTC J butterfly HTL21 au is a size that can easily be held in one hand. Even when holding it along with other things such as a wallet, its size makes it difficult to drop accidentally.

Ease of carrying it around when placing it in your pocket

It doesn't feel strange even when you put the HTC J butterfly HTL21 au in a pocket. In addition, when sitting on a chair with the phone in a pocket, it can be kept comfortably as it doesn't get caught on one's clothes or body.

Ease of getting it in and out of your pocket

The HTC J butterfly HTL21 au has a size that makes it relatively easy to keep and take out. While it sometimes get caught when sticking out of the pocket, I think it is just a matter of getting used to it.

Ease of getting it in and out of your bag

The HTC J butterfly HTL21 au is a size that allows you to take it in and out of your bag and use it with ease. Also, since it is compact, even if your bag is small it won't get too bulky which is convenient.

 
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Assessment of user-friendliness and ease of handling

It is important to consider the ease of using the phone in one hand. It can be said that it would be very useful if it is easier for you to send emails and instant messages or answer calls using one hand while cooking or using your computer. Here, we have reviewed the HTC J butterfly HTL21 au by focusing on the ease of using it in one hand and the ease of typing in letters.

Ease of grasping the phone in one hand

The HTC J butterfly HTL21 au is a size that allows you to have a firm grip even while using it. Since your hand is kept stable, it is difficult to accidentally drop the phone, and it is very easy to use. Since the original body size is small, the phone is still easy to hold even when using a case.

The weight you feel when using the phone with one hand

The HTC J butterfly HTL21 au is light, and I think it can be operated with one hand for a long time without feeling tired. However, it may be a bit heavy for those who are not used to using smart phones. Also, as it is not a heavy smart phone, its weight does not really change when a case is added.

Ease of pushing the upper button on the screen using one hand

Even when used with one hand, the HTC J butterfly HTL21 au has a size which allows buttons on the edges of the display to be operated. However, people with small hands may lose their grip if they try to press the buttons at the edges.

The size of the buttons on the App

The buttons displayed on the HTC J butterfly HTL21 au are large, and therefore it is difficult to press the wrong ones. While some buttons may look small depending on the app, you probably won't feel that stressed when you actually use it.

Ease of typing in letters using the flick function

Keys on the HTC J butterfly HTL21 au can be pressed even when held with one hand, but your grip may weaken when trying to flick the buttons at the edges. As a result, it may become unstable in the hand when flicking quickly, but it won't be easy to drop as long as you are careful.

Ease of typing in letters using the keybord funtion

If you aren't being careful it is really easy to mistype when using the HTC J butterfly HTL21 au with two hands since the buttons are so small. In addition, typing at high speeds is pretty difficult and I can't say its very suited for it.

Assessment of whether it is suitable for standard use

Assessment of whether it is suitable for standard use

For people who use their smartphone on a daily basis, high performance is a rather important factor. When the performance is not good enough, then, for example, applications don't work as they should or the screen is difficult to see, and this causes stress. This review looks at whether the performance of the HTC J butterfly HTL21 au is suitable for making phone calls, messaging, or using SNS.

The size of the letters and the ease of operation

In general, the HTC J butterfly HTL21 au displays characters and pictures in sizes that are easy to see. While some characters may look small depending on the app, they are not really difficult to see. Therefore, it can be said to be more than adequate for uses such as searching the Internet and messaging.

Ease of reading sentences

Since the HTC J butterfly HTL21 au displays characters smoothly, it can display them beautifully. Even when viewing small characters, the jaggedness of the character outline is not at a level seen during normal viewing and is displayed very naturally. Because of this, it is difficult for your eyes to become tired and make the phone suitable for reading long bodies of text.

The beauty of the overal screen

The screen of the HTC J butterfly HTL21 au can display pictures and videos quite vividly. This makes it great for enjoying videos and games dynamically. It has a very beautiful screen.

Ease of writing sentences

For the HTC J butterfly HTL21 au, the on-screen keyboard covers part of the screen when typing, but there is sufficient space for operation. Its size is suitable for entering long sentences, but I feel it may be a bit clumsy when editing office documents.

Does it have sufficient performance to make calls and send emails?

The HTC J butterfly HTL21 au has performance that allows it to be used comfortably for phone calls, emails, and chat. It is rare but sometimes there is lag. Still, this almost never occurs, so it can be said to be suitable for normal use.

Does it have sufficient performance to search for things and using Social Networks?

The performance felt lacking when using the internet and SNS. Sometimes the apps felt like they were running slowly. If I kept using it when that happened apps would close suddenly or stop completely.

Does it have sufficient performance to do other tasks while searching for things and using Social Networks?

There isn't any sense of inadequate performance even when several apps are used at the same time and there is frequent switching between apps. In rare cases, it may feel slow and the display may lag, but I don't think one will feel stressed during practical use.

 
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